GULL WING Parallel I/O Ports 2,400+

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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	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
PCF8574TDK	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		Not Qualified	e4	8
TCA9534ADWR	Texas Instruments	PARALLEL IO PORT, GENERAL PURPOSE	INDUSTRIAL	GULL WING	16	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	5.5 V		8	8		SMALL OUTLINE		1.65 V	85 Cel	-40 Cel	NICKEL PALLADIUM GOLD	DUAL	1	2.65 mm	7.5 mm		.4 MHz	30	260	10.3 mm	CMOS	.04 mA	1.8 V		1.27 mm	R-PDSO-G16	1		e4	8
PCA9505DGG,118	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	1	Not Qualified	e4	8
PCF8574PWRG4	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	2.5 V	85 Cel	-40 Cel	NICKEL PALLADIUM GOLD	DUAL	1	1.2 mm	4.4 mm		.1 MHz	30	260	6.5 mm	CMOS	.1 mA	5 V	Parallel IO Ports	.65 mm	R-PDSO-G20	1	Not Qualified	e4	8
PCF8574PWRE4	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	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	6.5 mm	CMOS	.1 mA	5 V	Parallel IO Ports	.65 mm	R-PDSO-G20	1	Not Qualified	e4	8
PCA9535PWRE4	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			30	260	7.8 mm	CMOS		3 V	Parallel IO Ports	.65 mm	R-PDSO-G24	1	Not Qualified	e4	16
PCA9557PW/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				.65 mm	R-PDSO-G16			e4	8
PCF8575TS/1	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	1	2 mm	5.3 mm			30	260	8.2 mm	CMOS				.65 mm	R-PDSO-G24	1		e4	16
PCA9671PW,118	NXP Semiconductors	PARALLEL IO PORT, GENERAL PURPOSE	INDUSTRIAL	GULL WING	24	TSSOP	RECTANGULAR	PLASTIC/EPOXY	YES	5.5 V			16	2.3/5.5	SMALL OUTLINE, THIN PROFILE, SHRINK PITCH	TSSOP24,.25	2.3 V	85 Cel	-40 Cel	NICKEL PALLADIUM GOLD	DUAL	1	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
MCP23S18-E/SO	Microchip Technology	PARALLEL IO PORT, GENERAL PURPOSE	AUTOMOTIVE	GULL WING	28	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	5.5 V	TS 16949		16	2/5	SMALL OUTLINE	SOP28,.4	1.8 V	125 Cel	-40 Cel	MATTE TIN	DUAL	2	2.65 mm	7.5 mm		10 MHz		260	17.9 mm	CMOS	1 mA	5 V	Parallel IO Port	1.27 mm	R-PDSO-G28	1	Not Qualified	e3	16
MCP23016-I/SO	Microchip Technology	PARALLEL IO PORT, GENERAL PURPOSE	INDUSTRIAL	GULL WING	28	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	5.5 V	TS 16949		16	2.5/5	SMALL OUTLINE	SOP28,.4	2 V	85 Cel	-40 Cel	Matte Tin (Sn)	DUAL	2	2.65 mm	7.5 mm					17.9 mm	CMOS		5 V	Parallel IO Port	1.27 mm	R-PDSO-G28	1	Not Qualified	e3	16
PCF8574TD	NXP Semiconductors	PARALLEL IO PORT, GENERAL PURPOSE	INDUSTRIAL	GULL WING	16	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	6 V					SMALL OUTLINE		2.5 V	85 Cel	-40 Cel	NICKEL PALLADIUM GOLD	DUAL	1	2.65 mm	7.5 mm	1	.1 MHz			10.3 mm	CMOS	.1 mA	5 V		1.27 mm	R-PDSO-G16	1	Not Qualified	e4	8
PCF8574TS/F3,512	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
PCF8575TS	NXP Semiconductors	PARALLEL IO PORT, GENERAL PURPOSE	INDUSTRIAL	GULL WING	24	SSOP	RECTANGULAR	PLASTIC/EPOXY	YES	5.5 V			16	3/5	SMALL OUTLINE	SSOP24,.3	2.5 V	85 Cel	-40 Cel	NICKEL PALLADIUM GOLD	DUAL	2	2 mm	5.3 mm				260	8.2 mm	CMOS		2.7 V	Parallel IO Port	.65 mm	R-PDSO-G24	1	Not Qualified	e4	16
PCA9539PWRE4	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			30	260	7.8 mm	CMOS		3 V	Parallel IO Port	.65 mm	R-PDSO-G24	1	Not Qualified	e4	16
PCA9506DGG,512	NXP Semiconductors	PARALLEL IO PORT, GENERAL PURPOSE	INDUSTRIAL	GULL WING	56	TSSOP	RECTANGULAR	PLASTIC/EPOXY	YES	5.5 V			40	2.5/5	SMALL OUTLINE, THIN PROFILE, SHRINK PITCH	TSSOP56,.3,20	2.3 V	85 Cel	-40 Cel	Nickel/Palladium/Gold (Ni/Pd/Au)	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
MCP23008T-E/SSVAO	Microchip Technology	PARALLEL IO PORT, GENERAL PURPOSE	AUTOMOTIVE	GULL WING	20	SSOP	RECTANGULAR	PLASTIC/EPOXY	YES	5.5 V	AEC-Q100; TS 16949		8		SMALL OUTLINE, SHRINK PITCH	SSOP20,.3	4.5 V	125 Cel	-40 Cel		DUAL	1	2 mm	5.3 mm		10 MHz			7.2 mm	CMOS	1 mA	5 V		.65 mm	R-PDSO-G20				8
TCA6408AQPWRQ1	Texas Instruments	PARALLEL IO PORT, GENERAL PURPOSE	AUTOMOTIVE	GULL WING	16	TSSOP	RECTANGULAR	PLASTIC/EPOXY	YES	3.6 V	AEC-Q100	2	8		SMALL OUTLINE, THIN PROFILE, SHRINK PITCH		1.65 V	125 Cel	-40 Cel	Nickel/Palladium/Gold (Ni/Pd/Au)	DUAL	1	1.2 mm	4.4 mm		.4 MHz	30	260	5 mm	CMOS	.036 mA	1.8 V		.65 mm	R-PDSO-G16	1		e4	8
PCA9535PWT	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		DUAL	2	1.2 mm	4.4 mm					7.8 mm	CMOS		3 V	Parallel IO Port	.65 mm	R-PDSO-G24		Not Qualified		16
PCA9535PW-T	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					7.8 mm	CMOS		3 V	Parallel IO Port	.65 mm	R-PDSO-G24	1	Not Qualified	e4	16
PCA9554DW	Texas Instruments	PARALLEL IO PORT, GENERAL PURPOSE	INDUSTRIAL	GULL WING	16	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	5.5 V		8	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	3 V	Parallel IO Ports	1.27 mm	R-PDSO-G16	1	Not Qualified	e4	8
PCF8574AT	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 (Ni/Pd/Au)	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	1	Not Qualified	e4	8
PCA9554APW/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
PCA9535ECDTR2G	Onsemi	PARALLEL IO PORT, GENERAL PURPOSE	MILITARY	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	125 Cel	-55 Cel	NICKEL PALLADIUM GOLD	DUAL	1	1.2 mm	4.4 mm		1 MHz	30	260	7.8 mm	CMOS		3 V	Parallel IO Port	.65 mm	R-PDSO-G24	1	Not Qualified	e4	16
PCA9539PW,112	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 (Ni/Pd/Au)	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
PCA9557PW-T	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 (Ni/Pd/Au)	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
PCA9557PWT	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
PCA9539APW,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
PCA9555DB	Texas Instruments	PARALLEL IO PORT, GENERAL PURPOSE	INDUSTRIAL	GULL WING	24	SSOP	RECTANGULAR	PLASTIC/EPOXY	YES	5.5 V		8	16	2.5/5	SMALL OUTLINE, SHRINK PITCH	SSOP24,.3	2.3 V	85 Cel	-40 Cel	NICKEL PALLADIUM GOLD	DUAL	2	2 mm	5.3 mm		.4 MHz	30	260	8.2 mm	CMOS	.2 mA	3 V	Parallel IO Ports	.65 mm	R-PDSO-G24	1	Not Qualified	e4	16
PCA9554APWT	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	2.3 V	85 Cel	-40 Cel		DUAL	1	1.2 mm	4.4 mm					5 mm	CMOS		5 V	Parallel IO Port	.65 mm	R-PDSO-G16		Not Qualified		8
PCA9554APW-T	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				260	5 mm	CMOS		3 V	Parallel IO Port	.65 mm	R-PDSO-G16	1	Not Qualified	e4	8
PCA9535EDWR2G	Onsemi	PARALLEL IO PORT, GENERAL PURPOSE	MILITARY	GULL WING	24	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	5.5 V			16	1.8/5	SMALL OUTLINE	SOP24,.4	1.65 V	125 Cel	-55 Cel	MATTE TIN	DUAL	1	2.65 mm	7.5 mm		1 MHz	30	260	15.395 mm	CMOS		3 V	Parallel IO Port	1.27 mm	R-PDSO-G24	3	Not Qualified	e3	16
DS2408S	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+	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
NLVPCA9535EDTR2G	Onsemi	PARALLEL IO PORT, GENERAL PURPOSE	MILITARY	GULL WING	24	TSSOP	RECTANGULAR	PLASTIC/EPOXY	YES	5.5 V	AEC-Q100		16		SMALL OUTLINE, THIN PROFILE, SHRINK PITCH	TSSOP24,.25	1.65 V	125 Cel	-55 Cel	NICKEL PALLADIUM GOLD	DUAL	1	1.2 mm	4.4 mm		1 MHz	30	260	7.8 mm	CMOS		3 V		.65 mm	R-PDSO-G24	1		e4	16
PCA9554PW	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	3 V	Parallel IO Ports	.65 mm	R-PDSO-G16	1	Not Qualified	e4	8
PCF8574DW	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
PCA9535PWG4	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
TCA9535DBR	Texas Instruments	PARALLEL IO PORT, GENERAL PURPOSE	INDUSTRIAL	GULL WING	24	SSOP	RECTANGULAR	PLASTIC/EPOXY	YES	5.5 V		8	16		SMALL OUTLINE, SHRINK PITCH		1.65 V	85 Cel	-40 Cel	Nickel/Palladium/Gold (Ni/Pd/Au)	DUAL	2	2 mm	5.3 mm		.4 MHz	30	260	8.2 mm	CMOS	.04 mA	1.8 V		.65 mm	R-PDSO-G24	1		e4	16
PCA9536DG4	Texas Instruments	PARALLEL IO PORT, GENERAL PURPOSE	INDUSTRIAL	GULL WING	8	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	5.5 V		1	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		.4 MHz	30	260	4.9 mm	CMOS	.15 mA	3 V	Parallel IO Ports	1.27 mm	R-PDSO-G8	1	Not Qualified	e4	4
PCA9539PWE4	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	DUAL	2	1.2 mm	4.4 mm		.4 MHz	30	260	7.8 mm	CMOS	.2 mA	3 V	Parallel IO Port	.65 mm	R-PDSO-G24	1	Not Qualified	e4	16
PCA9555DGVR	Texas Instruments	PARALLEL IO PORT, GENERAL PURPOSE	INDUSTRIAL	GULL WING	24	TSSOP	RECTANGULAR	PLASTIC/EPOXY	YES	5.5 V		8	16	2.5/5	SMALL OUTLINE, THIN PROFILE, SHRINK PITCH	TSSOP24,.25,16	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	5 mm	CMOS	.2 mA	3 V	Parallel IO Ports	.4 mm	R-PDSO-G24	1	Not Qualified	e4	16
PCA9554DWR	Texas Instruments	PARALLEL IO PORT, GENERAL PURPOSE	INDUSTRIAL	GULL WING	16	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	5.5 V		8	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	3 V	Parallel IO Ports	1.27 mm	R-PDSO-G16	1	Not Qualified	e4	8
PCA9554PWRG4	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	3 V	Parallel IO Ports	.65 mm	R-PDSO-G16	1	Not Qualified	e4	8
PCF8574APWRE4	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	2.5 V	85 Cel	-40 Cel	NICKEL PALLADIUM GOLD	DUAL	1	1.2 mm	4.4 mm		.1 MHz	30	260	6.5 mm	CMOS	.1 mA	5 V	Parallel IO Port	.65 mm	R-PDSO-G20	1	Not Qualified	e4	8
PCF8575DBR	Texas Instruments	PARALLEL IO PORT, GENERAL PURPOSE	INDUSTRIAL	GULL WING	24	SSOP	RECTANGULAR	PLASTIC/EPOXY	YES	5.5 V		8	16	3/5	SMALL OUTLINE, SHRINK PITCH	SSOP24,.3	2.5 V	85 Cel	-40 Cel	NICKEL PALLADIUM GOLD	DUAL	2	2 mm	5.3 mm		.4 MHz	30	260	8.2 mm	CMOS	.2 mA	3.3 V	Parallel IO Ports	.65 mm	R-PDSO-G24	1	Not Qualified	e4	16
PCA9555DB,112	NXP Semiconductors	PARALLEL IO PORT, GENERAL PURPOSE	INDUSTRIAL	GULL WING	24	SSOP	RECTANGULAR	PLASTIC/EPOXY	YES	5.5 V			16	2.5/5	SMALL OUTLINE, SHRINK PITCH	SSOP24,.3	2.3 V	85 Cel	-40 Cel	Nickel/Palladium/Gold (Ni/Pd/Au)	DUAL	2	2 mm	5.3 mm			30	260	8.2 mm	CMOS		3 V	Parallel IO Port	.65 mm	R-PDSO-G24	1	Not Qualified	e4	16
PCA9555DWRG4	Texas Instruments	PARALLEL IO PORT, GENERAL PURPOSE	INDUSTRIAL	GULL WING	24	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	5.5 V		8	16	2.5/5	SMALL OUTLINE	SOP24,.4	2.3 V	85 Cel	-40 Cel	Nickel/Palladium/Gold (Ni/Pd/Au)	DUAL	2	2.65 mm	7.5 mm		.4 MHz	NOT SPECIFIED	260	15.4 mm	CMOS	.2 mA	3 V	Parallel IO Ports	1.27 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.