74F656A datasheet, PDF - EEWORLD Datasheet

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74F656A: DescriptionOctal buffer/driver with parity; non-inverting; 3-state; File Size125KB，14 Pages; ManufacturerNXP; Websitehttps://www.nxp.com

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74F656A Overview

Octal buffer/driver with parity; non-inverting; 3-state

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74F656A

Octal buffer/driver with parity; non-inverting; 3-state

Rev. 05 — 25 March 2010

Product data sheet

1. General description

The 74F656A is an octal buffer and line driver with parity generation/checking. The

74F656A can be used as memory address driver, clock driver and bus-oriented

transmitter/receiver. The inclusion of parity generation/checking improves PCB density.

2. Features

Combines 74F244 and 74F280A functions in one device

High impedance NPN base inputs for reduced input current (40

μA

in HIGH and LOW

states)

= 20

μA

compared to 600

μA

in FAST family specification

For applications with high output drive and light bus loading

Non-inverting

3-state output sink capability I

= 64 mA and source I

= 15 mA

Inputs and outputs on separate sides simplifies board layout

Combined functions reduce part count and enhance system performance

Industrial temperature range available (−40

°C

to +85

°C)

3. Ordering information

Table 1.

Ordering information

Package

Temperature range

N74F656AD

I74F656AD

°C

to 70

°C

−40 °C

to +85

°C

Name

SO24

Description

plastic small outline package; 24 leads;

body width 7.5 mm

Version

SOT137-1

Type number

74F656A Related Products

	74F656A	I74F656AD	N74F656AD
Description	Octal buffer/driver with parity; non-inverting; 3-state	Octal buffer/driver with parity; non-inverting; 3-state	Octal buffer/driver with parity; non-inverting; 3-state
Is it lead-free?	-	Lead free	Lead free
Is it Rohs certified?	-	conform to	conform to
Maker	-	NXP	NXP
Parts packaging code	-	SOIC	SOIC
package instruction	-	7.5 MM HEIGHT, PLASTIC, MS-013, SOT137-1, SOP-24	7.5 MM HEIGHT, PLASTIC, MS-013, SOT137-1, SOP-24
Contacts	-	24	24
Reach Compliance Code	-	unknow	unknow
Other features	-	WITH TRIPLE OUTPUT ENABLE; ODD/EVEN PARITY GENERATION WITH TRISTATE OUTPUTS	WITH TRIPLE OUTPUT ENABLE; ODD/EVEN PARITY GENERATION WITH TRISTATE OUTPUTS
Control type	-	ENABLE LOW	ENABLE LOW
series	-	F/FAST	F/FAST
JESD-30 code	-	R-PDSO-G24	R-PDSO-G24
JESD-609 code	-	e4	e4
length	-	15.4 mm	15.4 mm
Load capacitance (CL)	-	50 pF	50 pF
Logic integrated circuit type	-	BUS DRIVER	BUS DRIVER
MaximumI(ol)	-	0.064 A	0.064 A
Humidity sensitivity level	-	1	1
Number of digits	-	8	8
Number of functions	-	1	1
Number of ports	-	2	2
Number of terminals	-	24	24
Maximum operating temperature	-	85 °C	70 °C
Output characteristics	-	3-STATE	3-STATE
Output polarity	-	TRUE	TRUE
Package body material	-	PLASTIC/EPOXY	PLASTIC/EPOXY
encapsulated code	-	SOP	SOP
Encapsulate equivalent code	-	SOP24,.4	SOP24,.4
Package shape	-	RECTANGULAR	RECTANGULAR
Package form	-	SMALL OUTLINE	SMALL OUTLINE
Peak Reflow Temperature (Celsius)	-	260	260
power supply	-	5 V	5 V
Maximum supply current (ICC)	-	110 mA	110 mA
Prop。Delay @ Nom-Su	-	18 ns	16.5 ns
propagation delay (tpd)	-	9 ns	7.5 ns
Certification status	-	Not Qualified	Not Qualified
Maximum seat height	-	2.65 mm	2.65 mm
Maximum supply voltage (Vsup)	-	5.5 V	5.5 V
Minimum supply voltage (Vsup)	-	4.5 V	4.5 V
Nominal supply voltage (Vsup)	-	5 V	5 V
surface mount	-	YES	YES
technology	-	TTL	TTL
Temperature level	-	INDUSTRIAL	COMMERCIAL
Terminal surface	-	Nickel/Palladium/Gold (Ni/Pd/Au)	Nickel/Palladium/Gold (Ni/Pd/Au)
Terminal form	-	GULL WING	GULL WING
Terminal pitch	-	1.27 mm	1.27 mm
Terminal location	-	DUAL	DUAL
Maximum time at peak reflow temperature	-	30	30
width	-	7.5 mm	7.5 mm

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