Parallel I/O Ports

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Part	Manufacturer	Peripheral IC Type	Temperature Grade	Terminal Form	No. of Terminals	Package Code	Package Shape	Package Body Material	Surface Mount	Maximum Supply Voltage	Screening Level	Address Bus Width	No. of Bits	Power Supplies (V)	Package Style (Meter)	Package Equivalence Code	Minimum Supply Voltage	Maximum Operating Temperature	Minimum Operating Temperature	Terminal Finish	Terminal Position	No. of Ports	Maximum Seated Height	Width	External Data Bus Width	Maximum Clock Frequency	Maximum Time At Peak Reflow Temperature (s)	Peak Reflow Temperature (C)	Length	No. of Timers	Technology	Maximum Supply Current	Nominal Supply Voltage	Sub-Category	Terminal Pitch	JESD-30 Code	Moisture Sensitivity Level (MSL)	Qualification	JESD-609 Code	No. of I/O Lines
PCA9535PWRG4	Texas Instruments	PARALLEL IO PORT, GENERAL PURPOSE	INDUSTRIAL	GULL WING	24	TSSOP	RECTANGULAR	PLASTIC/EPOXY	YES	5.5 V			16	2.5/5	SMALL OUTLINE, THIN PROFILE, SHRINK PITCH	TSSOP24,.25	2.3 V	85 Cel	-40 Cel	NICKEL PALLADIUM GOLD	DUAL	2	1.2 mm	4.4 mm		.4 MHz	30	260	7.8 mm		CMOS	.2 mA	3 V	Parallel IO Ports	.65 mm	R-PDSO-G24	1	Not Qualified	e4	16
PCA9536D,118	NXP Semiconductors	PARALLEL IO PORT, GENERAL PURPOSE	INDUSTRIAL	GULL WING	8	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	5.5 V			4	2.5/5	SMALL OUTLINE	SOP8,.25	2.3 V	85 Cel	-40 Cel	NICKEL PALLADIUM GOLD	DUAL	1	1.75 mm	3.9 mm			30	260	4.9 mm		CMOS		3 V	Parallel IO Port	1.27 mm	R-PDSO-G8	1	Not Qualified	e4	4
PCA9534PW	Texas Instruments	PARALLEL IO PORT, GENERAL PURPOSE	INDUSTRIAL	GULL WING	16	TSSOP	RECTANGULAR	PLASTIC/EPOXY	YES	5.5 V		8	8	2.5/5	SMALL OUTLINE, THIN PROFILE, SHRINK PITCH	TSSOP16,.25	2.3 V	85 Cel	-40 Cel	NICKEL PALLADIUM GOLD	DUAL	1	1.2 mm	4.4 mm		.4 MHz	30	260	5 mm		CMOS	.175 mA	5 V	Parallel IO Ports	.65 mm	R-PDSO-G16	1	Not Qualified	e4	8
PCA9554PW/Q900,118	NXP Semiconductors	PARALLEL IO PORT, GENERAL PURPOSE	INDUSTRIAL	GULL WING	16	TSSOP	RECTANGULAR	PLASTIC/EPOXY	YES	5.5 V					SMALL OUTLINE, THIN PROFILE, SHRINK PITCH		2.3 V	85 Cel	-40 Cel	NICKEL PALLADIUM GOLD	DUAL	1	1.1 mm	4.4 mm				260	5 mm		CMOS		3 V		.65 mm	R-PDSO-G16	1		e4	8
PCF8575CTS/1,118	NXP Semiconductors	PARALLEL IO PORT, GENERAL PURPOSE	INDUSTRIAL	GULL WING	24	SSOP	RECTANGULAR	PLASTIC/EPOXY	YES	5.5 V			16	5	SMALL OUTLINE, SHRINK PITCH	SSOP24,.3	4.5 V	85 Cel	-40 Cel	NICKEL PALLADIUM GOLD	DUAL	2	2 mm	5.3 mm				260	8.2 mm		CMOS		5 V	Parallel IO Port	.65 mm	R-PDSO-G24	1	Not Qualified	e4	16
PCF8574TS/F3,518	NXP Semiconductors	PARALLEL IO PORT, GENERAL PURPOSE	INDUSTRIAL	GULL WING	20	LSSOP	RECTANGULAR	PLASTIC/EPOXY	YES	6 V					SMALL OUTLINE, LOW PROFILE, SHRINK PITCH		2.5 V	85 Cel	-40 Cel	NICKEL PALLADIUM GOLD	DUAL	1	1.5 mm	4.4 mm					6.5 mm		CMOS		5 V		.65 mm	R-PDSO-G20			e4	8
TCA6408APWR	Texas Instruments	PARALLEL IO PORT, GENERAL PURPOSE	INDUSTRIAL	GULL WING	16	TSSOP	RECTANGULAR	PLASTIC/EPOXY	YES	5.5 V		2	8	1.8/5	SMALL OUTLINE, THIN PROFILE, SHRINK PITCH	TSSOP16,.25	1.65 V	85 Cel	-40 Cel	Nickel/Palladium/Gold (Ni/Pd/Au)	DUAL	1	1.2 mm	4.4 mm		.4 MHz	NOT SPECIFIED	260	5 mm		CMOS	.02 mA	1.8 V	Parallel IO Port	.65 mm	R-PDSO-G16	1	Not Qualified	e4	8
PCA9555BS	NXP Semiconductors	PARALLEL IO PORT, GENERAL PURPOSE	INDUSTRIAL	NO LEAD	24	HVQCCN	SQUARE	PLASTIC/EPOXY	YES	5.5 V			16	2.5/5	CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE	LCC24,.16SQ,20	2.3 V	85 Cel	-40 Cel	NICKEL PALLADIUM GOLD	QUAD	2	1 mm	4 mm			30	260	4 mm		CMOS		3 V	Parallel IO Port	.5 mm	S-PQCC-N24	1	Not Qualified	e4	16
PCA9534PW/G,118	NXP Semiconductors	PARALLEL IO PORT, GENERAL PURPOSE	INDUSTRIAL	GULL WING	16	TSSOP	RECTANGULAR	PLASTIC/EPOXY	YES	5.5 V					SMALL OUTLINE, THIN PROFILE, SHRINK PITCH		2.3 V	85 Cel	-40 Cel	NICKEL PALLADIUM GOLD	DUAL	1	1.1 mm	4.4 mm					5 mm		CMOS		3 V		.65 mm	R-PDSO-G16			e4	8
PCA9698BS	NXP Semiconductors	PARALLEL IO PORT, GENERAL PURPOSE	INDUSTRIAL	NO LEAD	56	HVQCCN	SQUARE	PLASTIC/EPOXY	YES	5.5 V			40	2.5/5	CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE	LCC56,.31SQ,20	2.3 V	85 Cel	-40 Cel	NICKEL PALLADIUM GOLD	QUAD	2	1 mm	8 mm			30	260	8 mm		CMOS		3.3 V	Parallel IO Port	.5 mm	S-PQCC-N56	1	Not Qualified	e4	8
PCA9534PW/DG,118	NXP Semiconductors	PARALLEL IO PORT, GENERAL PURPOSE	INDUSTRIAL	GULL WING	16	TSSOP	RECTANGULAR	PLASTIC/EPOXY	YES	5.5 V					SMALL OUTLINE, THIN PROFILE, SHRINK PITCH		2.3 V	85 Cel	-40 Cel	NICKEL PALLADIUM GOLD	DUAL	1	1.1 mm	4.4 mm					5 mm		CMOS		3 V		.65 mm	R-PDSO-G16			e4	8
PCF8574DWRG4	Texas Instruments	PARALLEL IO PORT, GENERAL PURPOSE	INDUSTRIAL	GULL WING	16	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	6 V		8	8	3/5	SMALL OUTLINE	SOP16,.4	2.5 V	85 Cel	-40 Cel	NICKEL PALLADIUM GOLD	DUAL	1	2.65 mm	7.5 mm		.1 MHz	30	260	10.3 mm		CMOS	.1 mA	5 V	Parallel IO Ports	1.27 mm	R-PDSO-G16	1	Not Qualified	e4	8
PCA9536TK,118	NXP Semiconductors	PARALLEL IO PORT, GENERAL PURPOSE	INDUSTRIAL	NO LEAD	8	VSON	SQUARE	PLASTIC/EPOXY	YES	5.5 V			4	2.5/5	SMALL OUTLINE, VERY THIN PROFILE	SOLCC8,.11,20	2.3 V	85 Cel	-40 Cel	NICKEL PALLADIUM GOLD	DUAL	1	1 mm	3 mm			30	260	3 mm		CMOS		3 V	Parallel IO Port	.5 mm	S-PDSO-N8	1	Not Qualified	e4	4
PCA9535CPW,118	NXP Semiconductors	PARALLEL IO PORT, GENERAL PURPOSE	INDUSTRIAL	GULL WING	24	TSSOP	RECTANGULAR	PLASTIC/EPOXY	YES	5.5 V			16	2.5/5	SMALL OUTLINE, THIN PROFILE, SHRINK PITCH	TSSOP24,.25	2.3 V	85 Cel	-40 Cel	NICKEL PALLADIUM GOLD	DUAL	2	1.1 mm	4.4 mm			30	260	7.8 mm		CMOS		3 V	Parallel IO Port	.65 mm	R-PDSO-G24	1	Not Qualified	e4	16
PCAL9555APW,118	NXP Semiconductors	PARALLEL IO PORT, GENERAL PURPOSE	INDUSTRIAL	GULL WING	24	TSSOP	RECTANGULAR	PLASTIC/EPOXY	YES	5.5 V			16	1.8/5	SMALL OUTLINE, THIN PROFILE, SHRINK PITCH	TSSOP24,.25	1.65 V	85 Cel	-40 Cel		DUAL	2	1.1 mm	4.4 mm			30	260	7.8 mm		CMOS		1.8 V	Parallel IO Port	.65 mm	R-PDSO-G24	1	Not Qualified		16
TCA6416ARTWR	Texas Instruments	PARALLEL IO PORT, GENERAL PURPOSE	INDUSTRIAL	NO LEAD	24	HVQCCN	SQUARE	PLASTIC/EPOXY	YES	5.5 V		2	16	1.8/5	CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE	LCC24,.16SQ,20	1.65 V	85 Cel	-40 Cel	Nickel/Palladium/Gold (Ni/Pd/Au)	QUAD	2	.8 mm	4 mm		.4 MHz	NOT SPECIFIED	260	4 mm		CMOS	.02 mA	1.8 V	Parallel IO Port	.5 mm	S-PQCC-N24	2	Not Qualified	e4	16
PCA9555PW/G,118	NXP Semiconductors	PARALLEL IO PORT, GENERAL PURPOSE	INDUSTRIAL	GULL WING	24	TSSOP	RECTANGULAR	PLASTIC/EPOXY	YES	5.5 V			16	2.5/5	SMALL OUTLINE, THIN PROFILE, SHRINK PITCH	TSSOP24,.25	2.3 V	85 Cel	-40 Cel		DUAL	2	1.1 mm	4.4 mm					7.8 mm		CMOS		3 V	Parallel IO Port	.65 mm	R-PDSO-G24		Not Qualified		16
PCA9557PW,118	NXP Semiconductors	PARALLEL IO PORT, GENERAL PURPOSE	INDUSTRIAL	GULL WING	16	TSSOP	RECTANGULAR	PLASTIC/EPOXY	YES	5.5 V			8	2.5/5	SMALL OUTLINE, THIN PROFILE, SHRINK PITCH	TSSOP16,.25	2.3 V	85 Cel	-40 Cel	NICKEL PALLADIUM GOLD	DUAL	1	1.1 mm	4.4 mm			30	260	5 mm		CMOS			Parallel IO Port	.65 mm	R-PDSO-G16	1	Not Qualified	e4	8
PCF8575TS/F1,118	NXP Semiconductors	PARALLEL IO PORT, GENERAL PURPOSE	INDUSTRIAL	GULL WING	24	SSOP	RECTANGULAR	PLASTIC/EPOXY	YES	5.5 V					SMALL OUTLINE, SHRINK PITCH		2.5 V	85 Cel	-40 Cel	NICKEL PALLADIUM GOLD	DUAL	2	2 mm	5.3 mm					8.2 mm		CMOS		2.7 V		.65 mm	R-PDSO-G24			e4	16
PCAL6416APW,118	NXP Semiconductors	PARALLEL IO PORT, GENERAL PURPOSE	INDUSTRIAL	GULL WING	24	TSSOP	RECTANGULAR	PLASTIC/EPOXY	YES	5.5 V			16	1.8/5	SMALL OUTLINE, THIN PROFILE, SHRINK PITCH	TSSOP24,.25	1.65 V	85 Cel	-40 Cel		DUAL	2	1.1 mm	4.4 mm	0		30	260	7.8 mm	0	CMOS	200 mA	1.8 V	Parallel IO Port	.65 mm	R-PDSO-G24	1	Not Qualified		16
PCA6416APW,118	NXP Semiconductors	PARALLEL IO PORT, GENERAL PURPOSE	INDUSTRIAL	GULL WING	24	TSSOP	RECTANGULAR	PLASTIC/EPOXY	YES	5.5 V			16	1.8/5	SMALL OUTLINE, THIN PROFILE, SHRINK PITCH	TSSOP24,.25	1.65 V	85 Cel	-40 Cel		DUAL	2	1.1 mm	4.4 mm			30	260	7.8 mm		CMOS		1.8 V	Parallel IO Port	.65 mm	R-PDSO-G24	1	Not Qualified		16
PCA9554BS3,118	NXP Semiconductors	PARALLEL IO PORT, GENERAL PURPOSE	INDUSTRIAL	NO LEAD	16	HVQCCN	SQUARE	PLASTIC/EPOXY	YES	5.5 V					CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE		2.3 V	85 Cel	-40 Cel	NICKEL PALLADIUM GOLD	QUAD	1	1 mm	4 mm				260	4 mm		CMOS		3 V		.65 mm	S-PQCC-N16	1	Not Qualified	e4	8
PCA9557PWR	Texas Instruments	PARALLEL IO PORT, GENERAL PURPOSE	INDUSTRIAL	GULL WING	16	TSSOP	RECTANGULAR	PLASTIC/EPOXY	YES	5.5 V		8	8	2.5/5	SMALL OUTLINE, THIN PROFILE, SHRINK PITCH	TSSOP16,.25	2.3 V	85 Cel	-40 Cel	NICKEL PALLADIUM GOLD	DUAL	1	1.2 mm	4.4 mm		.4 MHz	30	260	5 mm		CMOS	.025 mA	2.5 V	Parallel IO Ports	.65 mm	R-PDSO-G16	1	Not Qualified	e4	8
PCF8574T	NXP Semiconductors	PARALLEL IO PORT, GENERAL PURPOSE	INDUSTRIAL	GULL WING	16	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	6 V			8	3/5	SMALL OUTLINE	SOP16,.4	2.5 V	85 Cel	-40 Cel		DUAL	1	2.65 mm	7.5 mm	1	.1 MHz	30	260	10.3 mm		CMOS	.1 mA	5 V	Parallel IO Port	1.27 mm	R-PDSO-G16	2	Not Qualified		8
PCA9506DGG,518	NXP Semiconductors	PARALLEL IO PORT, GENERAL PURPOSE	INDUSTRIAL	GULL WING	56	TSSOP	RECTANGULAR	PLASTIC/EPOXY	YES	5.5 V			40	2.3/5.5	SMALL OUTLINE, THIN PROFILE, SHRINK PITCH	TSSOP56,.3,20	2.3 V	85 Cel	-40 Cel	NICKEL PALLADIUM GOLD	DUAL	2	1.2 mm	6.1 mm			30	260	14 mm		CMOS		3.3 V	Parallel IO Port	.5 mm	R-PDSO-G56	3	Not Qualified	e4	8
MCP23008-E/P	Microchip Technology	PARALLEL IO PORT, GENERAL PURPOSE	AUTOMOTIVE	THROUGH-HOLE	18	DIP	RECTANGULAR	PLASTIC/EPOXY	NO	5.5 V	TS 16949		8	5	IN-LINE	DIP18,.3	4.5 V	125 Cel	-40 Cel	MATTE TIN	DUAL	1	5.334 mm	7.62 mm		10 MHz			22.86 mm		CMOS	1 mA	5 V	Parallel IO Port	2.54 mm	R-PDIP-T18		Not Qualified	e3	8
FXL6408UMX	Onsemi	PARALLEL IO PORT, GENERAL PURPOSE	INDUSTRIAL	NO LEAD	16	VQCCN	RECTANGULAR	UNSPECIFIED	YES	3.6 V					CHIP CARRIER, VERY THIN PROFILE		1.65 V	85 Cel	-40 Cel	NICKEL PALLADIUM GOLD	QUAD	1	.55 mm	1.8 mm			30	260	2.6 mm		CMOS		1.8 V		.4 mm	R-XQCC-N16	1		e4	8
PCF8574TS/3	NXP Semiconductors	PARALLEL IO PORT, GENERAL PURPOSE	INDUSTRIAL	GULL WING	20	LSSOP	RECTANGULAR	PLASTIC/EPOXY	YES	6 V			8	3/5	SMALL OUTLINE, LOW PROFILE, SHRINK PITCH	SSOP20,.25	2.5 V	85 Cel	-40 Cel	NICKEL PALLADIUM GOLD	DUAL	1	1.5 mm	4.4 mm			30	260	6.5 mm		CMOS		5 V	Parallel IO Port	.65 mm	R-PDSO-G20	1	Not Qualified	e4	8
TCA9534APWR	Texas Instruments	PARALLEL IO PORT, GENERAL PURPOSE	INDUSTRIAL	GULL WING	16	TSSOP	RECTANGULAR	PLASTIC/EPOXY	YES	5.5 V		8	8		SMALL OUTLINE, THIN PROFILE, SHRINK PITCH		1.65 V	85 Cel	-40 Cel	NICKEL PALLADIUM GOLD	DUAL	1	1.2 mm	4.4 mm		.4 MHz	30	260	5 mm		CMOS	.04 mA	1.8 V		.65 mm	R-PDSO-G16	1		e4	8
PCF8575RGER	Texas Instruments	PARALLEL IO PORT, GENERAL PURPOSE	INDUSTRIAL	NO LEAD	24	HVQCCN	SQUARE	PLASTIC/EPOXY	YES	5.5 V		8	16	3/5	CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE	LCC24,.16SQ,20	2.5 V	85 Cel	-40 Cel	NICKEL PALLADIUM GOLD	QUAD	2	1 mm	4 mm		.4 MHz	30	260	4 mm		CMOS	.2 mA	3.3 V	Parallel IO Ports	.5 mm	S-PQCC-N24	2	Not Qualified	e4	16
TCA9554PWR	Texas Instruments	PARALLEL IO PORT, GENERAL PURPOSE	INDUSTRIAL	GULL WING	16	TSSOP	RECTANGULAR	PLASTIC/EPOXY	YES	5.5 V		8	8	1.8/5	SMALL OUTLINE, THIN PROFILE, SHRINK PITCH	TSSOP16,.25	1.65 V	85 Cel	-40 Cel	NICKEL PALLADIUM GOLD	DUAL	1	1.2 mm	4.4 mm		.4 MHz	30	260	5 mm		CMOS		2.3 V	Parallel IO Port	.65 mm	R-PDSO-G16	1	Not Qualified	e4	8
PCA9535D,118	NXP Semiconductors	PARALLEL IO PORT, GENERAL PURPOSE	INDUSTRIAL	GULL WING	24	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	5.5 V			16	2.5/5	SMALL OUTLINE	SOP24,.4	2.3 V	85 Cel	-40 Cel	NICKEL PALLADIUM GOLD	DUAL	2	2.65 mm	7.5 mm			30	260	15.4 mm		CMOS		3 V	Parallel IO Port	1.27 mm	R-PDSO-G24	1	Not Qualified	e4	16
PCA9534APWR	Texas Instruments	PARALLEL IO PORT, GENERAL PURPOSE	INDUSTRIAL	GULL WING	16	TSSOP	RECTANGULAR	PLASTIC/EPOXY	YES	5.5 V		8	8	2.5/5	SMALL OUTLINE, THIN PROFILE, SHRINK PITCH	TSSOP16,.25	2.3 V	85 Cel	-40 Cel	Nickel/Palladium/Gold (Ni/Pd/Au)	DUAL	1	1.2 mm	4.4 mm		.4 MHz	NOT SPECIFIED	260	5 mm		CMOS	.175 mA	5 V	Parallel IO Port	.65 mm	R-PDSO-G16	1	Not Qualified	e4	8
PCA9535APW,118	NXP Semiconductors	PARALLEL IO PORT, GENERAL PURPOSE	INDUSTRIAL	GULL WING	24	TSSOP	RECTANGULAR	PLASTIC/EPOXY	YES	5.5 V			16	1.8/5	SMALL OUTLINE, THIN PROFILE, SHRINK PITCH	TSSOP24,.25	1.65 V	85 Cel	-40 Cel	NICKEL PALLADIUM GOLD	DUAL	2	1.1 mm	4.4 mm			30	260	7.8 mm		CMOS		1.8 V	Parallel IO Port	.65 mm	R-PDSO-G24	1	Not Qualified	e4	16
CP82C55A-5Z	Renesas Electronics	PARALLEL IO PORT, GENERAL PURPOSE	COMMERCIAL	THROUGH-HOLE	40	DIP	RECTANGULAR	PLASTIC/EPOXY	NO	5.5 V					IN-LINE		4.5 V	70 Cel	0 Cel	MATTE TIN	DUAL	3	6.35 mm	15.24 mm					51.75 mm		CMOS		5 V		2.54 mm	R-PDIP-T40		Not Qualified	e3	24
MCP23018-E/SS	Microchip Technology	PARALLEL IO PORT, GENERAL PURPOSE	AUTOMOTIVE	GULL WING	24	SSOP	RECTANGULAR	PLASTIC/EPOXY	YES	5.5 V	TS 16949		16	2/5	SMALL OUTLINE, SHRINK PITCH	SSOP24,.3	1.8 V	125 Cel	-40 Cel	MATTE TIN	DUAL	2	2 mm	5.3 mm		10 MHz		260	8.2 mm		CMOS	1 mA	5 V	Parallel IO Port	.65 mm	R-PDSO-G24	1	Not Qualified	e3	16
MCP23S18-E/MJ	Microchip Technology	PARALLEL IO PORT, GENERAL PURPOSE	AUTOMOTIVE	NO LEAD	24	HVQCCN	SQUARE	PLASTIC/EPOXY	YES	5.5 V	TS 16949		16	2/5	CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE	LCC24,.16SQ,20	1.8 V	125 Cel	-40 Cel	MATTE TIN	QUAD	2	.9 mm	4 mm		10 MHz		260	4 mm		CMOS	1 mA	5 V	Parallel IO Port	.5 mm	S-PQCC-N24	1	Not Qualified	e3	16
MCP23S08T-E/SS	Microchip Technology	PARALLEL IO PORT, GENERAL PURPOSE	AUTOMOTIVE	GULL WING	20	SSOP	RECTANGULAR	PLASTIC/EPOXY	YES	5.5 V	TS 16949		8	5	SMALL OUTLINE, SHRINK PITCH	SSOP20,.3	4.5 V	125 Cel	-40 Cel	Matte Tin (Sn)	DUAL	1	2 mm	5.3 mm		10 MHz	40	260	7.2 mm		CMOS	1 mA	5 V	Parallel IO Port	.65 mm	R-PDSO-G20	2	Not Qualified	e3	8
PCA9554ABS3,118	NXP Semiconductors	PARALLEL IO PORT, GENERAL PURPOSE	INDUSTRIAL	NO LEAD	16	HVQCCN	SQUARE	PLASTIC/EPOXY	YES	5.5 V					CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE		2.3 V	85 Cel	-40 Cel	NICKEL PALLADIUM GOLD	QUAD	1	1 mm	4 mm			30	260	4 mm		CMOS		3 V		.65 mm	S-PQCC-N16	1	Not Qualified	e4	8
PCAL9554BBSHP	NXP Semiconductors	PARALLEL IO PORT, GENERAL PURPOSE	INDUSTRIAL	NO LEAD	16	HVQCCN	SQUARE	PLASTIC/EPOXY	YES	5.5 V			8	1.8/5	CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE	LCC16,.12SQ,20	1.65 V	85 Cel	-40 Cel		QUAD	1	1 mm	3 mm				260	3 mm		CMOS		1.8 V	Parallel IO Port	.5 mm	S-PQCC-N16	1	Not Qualified		8
DS2408S/T&R	Maxim Integrated	PARALLEL IO PORT, GENERAL PURPOSE	INDUSTRIAL	GULL WING	16	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	5.25 V					SMALL OUTLINE		2.8 V	85 Cel	-40 Cel	TIN LEAD	DUAL	1	1.75 mm	3.9 mm					9.9 mm		CMOS		5 V		1.27 mm	R-PDSO-G16		Not Qualified	e0	8
DS2408S+T&R	Analog Devices	PARALLEL IO PORT, GENERAL PURPOSE	INDUSTRIAL	GULL WING	16	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	5.25 V					SMALL OUTLINE		2.8 V	85 Cel	-40 Cel	Matte Tin (Sn) - annealed	DUAL	1	1.75 mm	3.9 mm			30	260	9.9 mm		CMOS		5 V		1.27 mm	R-PDSO-G16	1	Not Qualified	e3	8
PCF8574DWRE4	Texas Instruments	PARALLEL IO PORT, GENERAL PURPOSE	INDUSTRIAL	GULL WING	16	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	6 V		8	8	3/5	SMALL OUTLINE	SOP16,.4	2.5 V	85 Cel	-40 Cel	NICKEL PALLADIUM GOLD	DUAL	1	2.65 mm	7.5 mm		.1 MHz	30	260	10.3 mm		CMOS	.1 mA	5 V	Parallel IO Ports	1.27 mm	R-PDSO-G16	1	Not Qualified	e4	8
PCF8574N	Texas Instruments	PARALLEL IO PORT, GENERAL PURPOSE	INDUSTRIAL	THROUGH-HOLE	16	DIP	RECTANGULAR	PLASTIC/EPOXY	NO	6 V		8	8	3/5	IN-LINE	DIP16,.3	2.5 V	85 Cel	-40 Cel	NICKEL PALLADIUM GOLD	DUAL	1	5.08 mm	7.62 mm		.1 MHz			19.305 mm		CMOS	.1 mA	5 V	Parallel IO Ports	2.54 mm	R-PDIP-T16		Not Qualified	e4	8
TCA9555RGER	Texas Instruments	PARALLEL IO PORT, GENERAL PURPOSE	INDUSTRIAL	NO LEAD	24	HVQCCN	SQUARE	PLASTIC/EPOXY	YES	5.5 V		8			CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE		1.65 V	85 Cel	-40 Cel	Nickel/Palladium/Gold (Ni/Pd/Au)	QUAD	2	1 mm	4 mm			30	260	4 mm		CMOS		1.8 V		.5 mm	S-PQCC-N24	2		e4	16
MCP23S08-E/ML	Microchip Technology	PARALLEL IO PORT, GENERAL PURPOSE	AUTOMOTIVE	NO LEAD	20	HVQCCN	SQUARE	PLASTIC/EPOXY	YES	5.5 V	TS 16949		8	5	CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE	LCC20,.16SQ,20	4.5 V	125 Cel	-40 Cel	MATTE TIN	QUAD	1	1 mm	4 mm		10 MHz		260	4 mm		CMOS	1 mA	5 V	Parallel IO Port	.5 mm	S-PQCC-N20	1	Not Qualified	e3	8
PCF8574AT/3,512	NXP Semiconductors	PARALLEL IO PORT, GENERAL PURPOSE	INDUSTRIAL	GULL WING	16	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	6 V			8	3/5	SMALL OUTLINE	SOP16,.4	2.5 V	85 Cel	-40 Cel	NICKEL PALLADIUM GOLD	DUAL	1	2.65 mm	7.5 mm	1	.1 MHz		260	10.3 mm		CMOS	.1 mA	5 V	Parallel IO Ports	1.27 mm	R-PDSO-G16	2	Not Qualified	e4	8
PCA9539PWR	Texas Instruments	PARALLEL IO PORT, GENERAL PURPOSE	INDUSTRIAL	GULL WING	24	TSSOP	RECTANGULAR	PLASTIC/EPOXY	YES	5.5 V		4	16	2.5/5	SMALL OUTLINE, THIN PROFILE, SHRINK PITCH	TSSOP24,.25	2.3 V	85 Cel	-40 Cel	Nickel/Palladium/Gold (Ni/Pd/Au)	DUAL	2	1.2 mm	4.4 mm		.4 MHz	NOT SPECIFIED	260	7.8 mm		CMOS	.2 mA	3 V	Parallel IO Port	.65 mm	R-PDSO-G24	1	Not Qualified	e4	16

Parallel I/O Ports

Parallel I/O (Input/Output) ports are a type of interface that allows a microcontroller or microprocessor to communicate with other devices in a parallel fashion. This means that multiple bits of data can be transmitted or received simultaneously, as opposed to serial communication which transmits or receives data one bit at a time.

Parallel I/O ports are commonly found in a wide range of electronic devices, including computers, printers, and industrial control systems. They typically consist of a number of input and output lines, with each line representing a single bit of data. The number of lines can vary depending on the specific device, with some systems having only a few lines while others may have dozens or even hundreds.

One of the advantages of parallel I/O ports is their ability to transfer large amounts of data quickly and efficiently. This makes them particularly useful in applications where real-time data acquisition or high-speed communication is required. For example, parallel ports are commonly used in printers and other peripherals to transfer large amounts of data quickly.

However, one of the limitations of parallel I/O ports is that they require a large number of pins on the microcontroller or microprocessor to accommodate all of the data lines. This can make them difficult to implement in systems with limited space or where a large number of I/O lines are required. In addition, parallel I/O ports can be more susceptible to noise and interference compared to serial communication, which can affect data integrity and transmission speeds.