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	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	Maximum Clock Frequency	Maximum Time At Peak Reflow Temperature (s)	Peak Reflow Temperature (C)	Length	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
TCA6416PWTG4	Texas Instruments	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	1.2 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
PCA9539N	Texas Instruments	PARALLEL IO PORT, GENERAL PURPOSE	INDUSTRIAL	THROUGH-HOLE	24	DIP	RECTANGULAR	PLASTIC/EPOXY	NO	5.5 V		16	2.5/5	IN-LINE	DIP24,.6	2.3 V	85 Cel	-40 Cel		DUAL	2							CMOS		3 V	Parallel IO Port	2.54 mm	R-PDIP-T24		Not Qualified		16
PCA9554DBQR	Texas Instruments	PARALLEL IO PORT, GENERAL PURPOSE	INDUSTRIAL	GULL WING	16	SSOP	RECTANGULAR	PLASTIC/EPOXY	YES	5.5 V		8	2.5/5	SMALL OUTLINE, SHRINK PITCH	SSOP16,.3	2.3 V	85 Cel	-40 Cel		DUAL	1	1.75 mm	3.9 mm				4.9 mm	CMOS		3 V	Parallel IO Ports	.635 mm	R-PDSO-G16		Not Qualified		8
PCA9554ADBQ	Texas Instruments	PARALLEL IO PORT, GENERAL PURPOSE	INDUSTRIAL	GULL WING	16	SSOP	RECTANGULAR	PLASTIC/EPOXY	YES	5.5 V		8	2.5/5	SMALL OUTLINE, SHRINK PITCH	SSOP16,.25	2.3 V	85 Cel	-40 Cel		DUAL	1	1.75 mm	3.9 mm				4.9 mm	CMOS		2.5 V	Parallel IO Port	.635 mm	R-PDSO-G16		Not Qualified		8
TCA6416PW	Texas Instruments	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	1.2 mm	4.4 mm	.4 MHz	30	260	7.8 mm	CMOS	.03 mA	1.8 V	Parallel IO Port	.65 mm	R-PDSO-G24	1	Not Qualified	e4	16
PCA9557DRG4	Texas Instruments	PARALLEL IO PORT, GENERAL PURPOSE	INDUSTRIAL	GULL WING	16	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	5.5 V		8	2.5/5	SMALL OUTLINE	SOP16,.25	2.3 V	85 Cel	-40 Cel	NICKEL PALLADIUM GOLD	DUAL	1	1.75 mm	3.9 mm		30	260	9.9 mm	CMOS		2.5 V	Parallel IO Ports	1.27 mm	R-PDSO-G16	1	Not Qualified	e4	8
PCF8574DGVRG4	Texas Instruments	PARALLEL IO PORT, GENERAL PURPOSE	INDUSTRIAL	GULL WING	20	TSSOP	RECTANGULAR	PLASTIC/EPOXY	YES	6 V	8	8	3/5	SMALL OUTLINE, THIN PROFILE, SHRINK PITCH	TSSOP20,.25,16	2.5 V	85 Cel	-40 Cel	Nickel/Palladium/Gold (Ni/Pd/Au)	DUAL	1	1.2 mm	4.4 mm	.1 MHz	NOT SPECIFIED	260	5 mm	CMOS	.1 mA	5 V	Parallel IO Ports	.4 mm	R-PDSO-G20	1	Not Qualified	e4	8
PCA9554RGTR	Texas Instruments	PARALLEL IO PORT, GENERAL PURPOSE	INDUSTRIAL	NO LEAD	16	HVQCCN	SQUARE	UNSPECIFIED	YES	5.5 V		8	2.5/5	CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE	LCC16,.12SQ,20	2.3 V	85 Cel	-40 Cel		QUAD	1	1 mm	3 mm				3 mm	CMOS		3 V	Parallel IO Ports	.5 mm	S-XQCC-N16		Not Qualified		8
PCA9554ADGVRG4	Texas Instruments	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,.25,16	2.3 V	85 Cel	-40 Cel	NICKEL PALLADIUM GOLD	DUAL	1	1.2 mm	3.6 mm	.4 MHz	30	260	4.4 mm	CMOS	.175 mA	5 V	Parallel IO Ports	.4 mm	R-PDSO-G16	1	Not Qualified	e4	8
TCA6416PWG4	Texas Instruments	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	1.2 mm	4.4 mm	.4 MHz	30	260	7.8 mm	CMOS	.03 mA	1.8 V	Parallel IO Port	.65 mm	R-PDSO-G24	1	Not Qualified	e4	16
PCA9534ADWT	Texas Instruments	PARALLEL IO PORT, GENERAL PURPOSE	INDUSTRIAL	GULL WING	16	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	5.5 V				SMALL OUTLINE		2.3 V	85 Cel	-40 Cel		DUAL	1	2.65 mm	7.5 mm				10.3 mm	CMOS		5 V		1.27 mm	R-PDSO-G16		Not Qualified		8
PCA9535RHLR	Texas Instruments	PARALLEL IO PORT, GENERAL PURPOSE	INDUSTRIAL	NO LEAD	24	HVQCCN	RECTANGULAR	PLASTIC/EPOXY	YES	5.5 V		16	2.5/5	CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE	LCC24/28,.14X.2,20	2.3 V	85 Cel	-40 Cel		QUAD	2	1 mm	3.5 mm				5.5 mm	CMOS		3 V	Parallel IO Port	.5 mm	R-PQCC-N24		Not Qualified		16
PCA9534ADWRG4	Texas Instruments	PARALLEL IO PORT, GENERAL PURPOSE	INDUSTRIAL	GULL WING	16	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	5.5 V		8	2.5/5	SMALL OUTLINE	SOP16,.4	2.3 V	85 Cel	-40 Cel	NICKEL PALLADIUM GOLD	DUAL	1	2.65 mm	7.5 mm		30	260	10.3 mm	CMOS		5 V	Parallel IO Port	1.27 mm	R-PDSO-G16	1	Not Qualified	e4	8
TCA6416PWRG4	Texas Instruments	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	1.2 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
PCA9538DW	Texas Instruments	PARALLEL IO PORT, GENERAL PURPOSE	INDUSTRIAL	GULL WING	16	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	5.5 V	4	8	2.5/5	SMALL OUTLINE	SOP16,.4	2.3 V	85 Cel	-40 Cel	Nickel/Palladium/Gold (Ni/Pd/Au)	DUAL	1	2.65 mm	7.5 mm	.4 MHz	NOT SPECIFIED	260	10.3 mm	CMOS	.175 mA	2.5 V	Parallel IO Ports	1.27 mm	R-PDSO-G16	1	Not Qualified	e4	8
PCA9554ADBG4	Texas Instruments	PARALLEL IO PORT, GENERAL PURPOSE	INDUSTRIAL	GULL WING	16	SSOP	RECTANGULAR	PLASTIC/EPOXY	YES	5.5 V		8	2.5/5	SMALL OUTLINE, SHRINK PITCH	SSOP16,.3	2.3 V	85 Cel	-40 Cel	NICKEL PALLADIUM GOLD	DUAL	1	2 mm	5.3 mm		30	260	6.2 mm	CMOS		5 V	Parallel IO Ports	.65 mm	R-PDSO-G16	1	Not Qualified	e4	8
PCA9554DGVRG4	Texas Instruments	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,.25,16	2.3 V	85 Cel	-40 Cel	NICKEL PALLADIUM GOLD	DUAL	1	1.2 mm	3.6 mm		30	260	4.4 mm	CMOS		3 V	Parallel IO Ports	.4 mm	R-PDSO-G16	1	Not Qualified	e4	8
PCA9557RGYRG4	Texas Instruments	PARALLEL IO PORT, GENERAL PURPOSE	INDUSTRIAL	NO LEAD	16	HVQCCN	RECTANGULAR	PLASTIC/EPOXY	YES	5.5 V		8	2.5/5	CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE	LCC16/20,.14X.16,20	2.3 V	85 Cel	-40 Cel	NICKEL PALLADIUM GOLD	QUAD	1	1 mm	3.5 mm		30	260	4 mm	CMOS		2.5 V	Parallel IO Ports	.5 mm	R-PQCC-N16	2	Not Qualified	e4	8
PCA9538DGVR	Texas Instruments	PARALLEL IO PORT, GENERAL PURPOSE	INDUSTRIAL	GULL WING	16	TSSOP	RECTANGULAR	PLASTIC/EPOXY	YES	5.5 V	4	8	2.5/5	SMALL OUTLINE, THIN PROFILE, SHRINK PITCH	TSSOP16,.25,16	2.3 V	85 Cel	-40 Cel	NICKEL PALLADIUM GOLD	DUAL	1	1.2 mm	4.4 mm	.4 MHz	30	260	3.6 mm	CMOS	.175 mA	2.5 V	Parallel IO Ports	.4 mm	R-PDSO-G16	1	Not Qualified	e4	8
PCA9534RGTR	Texas Instruments	PARALLEL IO PORT, GENERAL PURPOSE	INDUSTRIAL	NO LEAD	16	HVQCCN	SQUARE	PLASTIC/EPOXY	YES	5.5 V		8	2.5/5	CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE	LCC16,.12SQ,20	2.3 V	85 Cel	-40 Cel		QUAD	1	1 mm	3 mm				3 mm	CMOS		5 V	Parallel IO Port	.5 mm	S-PQCC-N16		Not Qualified		8
PCF8575CRHLR	Texas Instruments	PARALLEL IO PORT, GENERAL PURPOSE	INDUSTRIAL	NO LEAD	24	HVQCCN	RECTANGULAR	UNSPECIFIED	YES	5.5 V		16	5	CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE	LCC24/28,.14X.2,20	4.5 V	85 Cel	-40 Cel		QUAD	2	1 mm	3.5 mm				5.5 mm	CMOS		5 V	Parallel IO Port	.5 mm	R-XQCC-N24		Not Qualified		16
PCA9554DBRG4	Texas Instruments	PARALLEL IO PORT, GENERAL PURPOSE	INDUSTRIAL	GULL WING	16	SSOP	RECTANGULAR	PLASTIC/EPOXY	YES	5.5 V		8	2.5/5	SMALL OUTLINE, SHRINK PITCH	SSOP16,.3	2.3 V	85 Cel	-40 Cel	NICKEL PALLADIUM GOLD	DUAL	1	2 mm	5.3 mm		30	260	6.2 mm	CMOS		3 V	Parallel IO Ports	.65 mm	R-PDSO-G16	1	Not Qualified	e4	8
PCA9554RGVT	Texas Instruments	PARALLEL IO PORT, GENERAL PURPOSE	INDUSTRIAL	NO LEAD	16	HQCCN	SQUARE	UNSPECIFIED	YES	5.5 V		8	2.5/5	CHIP CARRIER, HEAT SINK/SLUG	LCC16,.16SQ,25	2.3 V	85 Cel	-40 Cel		QUAD	1							CMOS		3 V	Parallel IO Port	.635 mm	S-XQCC-N16		Not Qualified		8
TCA9538DBR	Texas Instruments	PARALLEL IO PORT, GENERAL PURPOSE	INDUSTRIAL	GULL WING	16	SSOP	RECTANGULAR	PLASTIC/EPOXY	YES	5.5 V	4	8		SMALL OUTLINE, SHRINK PITCH		1.65 V	85 Cel	-40 Cel	NICKEL PALLADIUM GOLD	DUAL	1	2 mm	5.3 mm	.4 MHz	30	260	6.2 mm	CMOS	.03 mA	1.8 V		.65 mm	R-PDSO-G16	1		e4	8
PCF8575CPWG4	Texas Instruments	PARALLEL IO PORT, GENERAL PURPOSE	INDUSTRIAL	GULL WING	24	TSSOP	RECTANGULAR	PLASTIC/EPOXY	YES	5.5 V		16	5	SMALL OUTLINE, THIN PROFILE, SHRINK PITCH	TSSOP24,.25	4.5 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	5 V	Parallel IO Ports	.65 mm	R-PDSO-G24	1	Not Qualified	e4	16
PCF8574DGVRE4	Texas Instruments	PARALLEL IO PORT, GENERAL PURPOSE	INDUSTRIAL	GULL WING	20	TSSOP	RECTANGULAR	PLASTIC/EPOXY	YES	6 V		8	3/5	SMALL OUTLINE, THIN PROFILE, SHRINK PITCH	TSSOP20,.25,16	2.5 V	85 Cel	-40 Cel	NICKEL PALLADIUM GOLD	DUAL	1	1.2 mm	4.4 mm		30	260	5 mm	CMOS		5 V	Parallel IO Ports	.4 mm	R-PDSO-G20	1	Not Qualified	e4	8
PCA9554ADGVT	Texas Instruments	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,.25,16	2.3 V	85 Cel	-40 Cel		DUAL	1	1.2 mm	3.6 mm				4.4 mm	CMOS		5 V	Parallel IO Port	.4 mm	R-PDSO-G16		Not Qualified		8
TCA6416PWT	Texas Instruments	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	1.2 mm	4.4 mm	.4 MHz	30	260	7.8 mm	CMOS	.03 mA	1.8 V	Parallel IO Port	.65 mm	R-PDSO-G24	1	Not Qualified	e4	16
PCA6107DW	Texas Instruments	PARALLEL IO PORT, GENERAL PURPOSE	INDUSTRIAL	GULL WING	18	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	5.5 V		8	2.5/5	SMALL OUTLINE	SOP18,.4	2.3 V	85 Cel	-40 Cel	NICKEL PALLADIUM GOLD	DUAL	1	2.65 mm	7.5 mm	.4 MHz	30	260	11.55 mm	CMOS		2.5 V	Parallel IO Ports	1.27 mm	R-PDSO-G18	2	Not Qualified	e4	8
PCA9554DB	Texas Instruments	PARALLEL IO PORT, GENERAL PURPOSE	INDUSTRIAL	GULL WING	16	SSOP	RECTANGULAR	PLASTIC/EPOXY	YES	5.5 V	8	8	2.5/5	SMALL OUTLINE, SHRINK PITCH	SSOP16,.3	2.3 V	85 Cel	-40 Cel	Nickel/Palladium/Gold (Ni/Pd/Au)	DUAL	1	2 mm	5.3 mm	.4 MHz	NOT SPECIFIED	260	6.2 mm	CMOS	.175 mA	3 V	Parallel IO Ports	.65 mm	R-PDSO-G16	1	Not Qualified	e4	8
PCA9535RTWRG4	Texas Instruments	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	.8 mm	4 mm		30	260	4 mm	CMOS		3 V	Parallel IO Ports	.5 mm	S-PQCC-N24	2	Not Qualified	e4	16
PCA9534ADWG4	Texas Instruments	PARALLEL IO PORT, GENERAL PURPOSE	INDUSTRIAL	GULL WING	16	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	5.5 V		8	2.5/5	SMALL OUTLINE	SOP16,.4	2.3 V	85 Cel	-40 Cel	NICKEL PALLADIUM GOLD	DUAL	1	2.65 mm	7.5 mm		30	260	10.3 mm	CMOS		5 V	Parallel IO Port	1.27 mm	R-PDSO-G16	1	Not Qualified	e4	8
PCA9554ADBRG4	Texas Instruments	PARALLEL IO PORT, GENERAL PURPOSE	INDUSTRIAL	GULL WING	16	SSOP	RECTANGULAR	PLASTIC/EPOXY	YES	5.5 V		8	2.5/5	SMALL OUTLINE, SHRINK PITCH	SSOP16,.3	2.3 V	85 Cel	-40 Cel	NICKEL PALLADIUM GOLD	DUAL	1	2 mm	5.3 mm		30	260	6.2 mm	CMOS		5 V	Parallel IO Ports	.65 mm	R-PDSO-G16	1	Not Qualified	e4	8
PCA9536YZPR	Texas Instruments	PARALLEL IO PORT, GENERAL PURPOSE	INDUSTRIAL	BALL	8	VFBGA	RECTANGULAR	UNSPECIFIED	YES	5.5 V		4	2.5/5	GRID ARRAY, VERY THIN PROFILE, FINE PITCH	BGA8,2X4,20	2.3 V	85 Cel	-40 Cel	TIN SILVER COPPER	BOTTOM	1	.5 mm	.9 mm		30	260	1.98 mm	CMOS		3 V	Parallel IO Ports	.5 mm	R-XBGA-B8	1	Not Qualified	e1	4
PCA9534DWT	Texas Instruments	PARALLEL IO PORT, GENERAL PURPOSE	INDUSTRIAL	GULL WING	16	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	5.5 V				SMALL OUTLINE		2.3 V	85 Cel	-40 Cel		DUAL	1	2.65 mm	7.5 mm				10.3 mm	CMOS		5 V		1.27 mm	R-PDSO-G16		Not Qualified		8
PCA9538DWG4	Texas Instruments	PARALLEL IO PORT, GENERAL PURPOSE	INDUSTRIAL	GULL WING	16	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	5.5 V		8	2.5/5	SMALL OUTLINE	SOP16,.4	2.3 V	85 Cel	-40 Cel	NICKEL PALLADIUM GOLD	DUAL	1	2.65 mm	7.5 mm		30	260	10.3 mm	CMOS		2.5 V	Parallel IO Ports	1.27 mm	R-PDSO-G16	1	Not Qualified	e4	8
PCA6107DWG4	Texas Instruments	PARALLEL IO PORT, GENERAL PURPOSE	INDUSTRIAL	GULL WING	18	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	5.5 V		8	2.5/5	SMALL OUTLINE	SOP18,.4	2.3 V	85 Cel	-40 Cel	NICKEL PALLADIUM GOLD	DUAL	1	2.65 mm	7.5 mm	.4 MHz	30	260	11.55 mm	CMOS	.025 mA	2.5 V	Parallel IO Ports	1.27 mm	R-PDSO-G18	2	Not Qualified	e4	8
PCF8575CPWT	Texas Instruments	PARALLEL IO PORT, GENERAL PURPOSE	INDUSTRIAL	GULL WING	24	TSSOP	RECTANGULAR	PLASTIC/EPOXY	YES	5.5 V		16	5	SMALL OUTLINE, THIN PROFILE, SHRINK PITCH	TSSOP24,.25	4.5 V	85 Cel	-40 Cel	NICKEL PALLADIUM GOLD	DUAL	2	1.2 mm	4.4 mm				7.8 mm	CMOS		5 V	Parallel IO Port	.65 mm	R-PDSO-G24		Not Qualified	e4	16
PCA9536DCUR	Texas Instruments	PARALLEL IO PORT, GENERAL PURPOSE	INDUSTRIAL	GULL WING	8	VSSOP	RECTANGULAR	PLASTIC/EPOXY	YES	5.5 V		4	2.5/5	SMALL OUTLINE, VERY THIN PROFILE, SHRINK PITCH	TSSOP8,.12,20	2.3 V	85 Cel	-40 Cel		DUAL	1	.9 mm	2 mm				2.3 mm	CMOS		3 V	Parallel IO Port	.5 mm	R-PDSO-G8		Not Qualified		4
PCA9554DBQ	Texas Instruments	PARALLEL IO PORT, GENERAL PURPOSE	INDUSTRIAL	GULL WING	16	SSOP	RECTANGULAR	PLASTIC/EPOXY	YES	5.5 V		8	2.5/5	SMALL OUTLINE, SHRINK PITCH	SSOP16,.3	2.3 V	85 Cel	-40 Cel		DUAL	1	1.75 mm	3.9 mm				4.9 mm	CMOS		3 V	Parallel IO Ports	.635 mm	R-PDSO-G16		Not Qualified		8
PCA9557DG4	Texas Instruments	PARALLEL IO PORT, GENERAL PURPOSE	INDUSTRIAL	GULL WING	16	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	5.5 V		8	2.5/5	SMALL OUTLINE	SOP16,.25	2.3 V	85 Cel	-40 Cel	NICKEL PALLADIUM GOLD	DUAL	1	1.75 mm	3.9 mm		30	260	9.9 mm	CMOS		2.5 V	Parallel IO Ports	1.27 mm	R-PDSO-G16	1	Not Qualified	e4	8
TCA6416RTWT	Texas Instruments	PARALLEL IO PORT, GENERAL PURPOSE	INDUSTRIAL	NO LEAD	24	HVQCCN	SQUARE	PLASTIC/EPOXY	YES	5.5 V		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	QUAD	2	.8 mm	4 mm	.4 MHz	30	260	4 mm	CMOS	.03 mA	1.8 V	Parallel IO Port	.5 mm	S-PQCC-N24	2	Not Qualified	e4	16
PCA9554ADWT	Texas Instruments	PARALLEL IO PORT, GENERAL PURPOSE	INDUSTRIAL	GULL WING	16	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	5.5 V		8	2.5/5	SMALL OUTLINE	SOP16,.4	2.3 V	85 Cel	-40 Cel		DUAL	1	2.65 mm	7.5 mm				10.3 mm	CMOS		5 V	Parallel IO Port	1.27 mm	R-PDSO-G16		Not Qualified		8
PCA9554ADWG4	Texas Instruments	PARALLEL IO PORT, GENERAL PURPOSE	INDUSTRIAL	GULL WING	16	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	5.5 V		8	2.5/5	SMALL OUTLINE	SOP16,.4	2.3 V	85 Cel	-40 Cel	NICKEL PALLADIUM GOLD	DUAL	1	2.65 mm	7.5 mm		30	260	10.3 mm	CMOS		5 V	Parallel IO Ports	1.27 mm	R-PDSO-G16	1	Not Qualified	e4	8
PCA9535DGVRG4	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,.25,16	2.3 V	85 Cel	-40 Cel	NICKEL PALLADIUM GOLD	DUAL	2	1.2 mm	4.4 mm		30	260	5 mm	CMOS		3 V	Parallel IO Ports	.4 mm	R-PDSO-G24	1	Not Qualified	e4	16
PCA9554RGVR	Texas Instruments	PARALLEL IO PORT, GENERAL PURPOSE	INDUSTRIAL	NO LEAD	16	HVQCCN	SQUARE	UNSPECIFIED	YES	5.5 V		8	2.5/5	CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE	LCC16,.16SQ,25	2.3 V	85 Cel	-40 Cel		QUAD	1	1 mm	4 mm				4 mm	CMOS		3 V	Parallel IO Ports	.65 mm	S-XQCC-N16		Not Qualified		8
PCA9557DBRG4	Texas Instruments	PARALLEL IO PORT, GENERAL PURPOSE	INDUSTRIAL	GULL WING	16	SSOP	RECTANGULAR	PLASTIC/EPOXY	YES	5.5 V		8	2.5/5	SMALL OUTLINE, SHRINK PITCH	SSOP16,.3	2.3 V	85 Cel	-40 Cel	NICKEL PALLADIUM GOLD	DUAL	1	2 mm	5.3 mm		30	260	6.2 mm	CMOS		2.5 V	Parallel IO Ports	.65 mm	R-PDSO-G16	1	Not Qualified	e4	8
PCA9534PWT	Texas Instruments	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		DUAL	1	1.2 mm	4.4 mm				5 mm	CMOS		5 V		.65 mm	R-PDSO-G16		Not Qualified		8

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.