74F794SC FAIRCHILD [Fairchild Semiconductor], 74F794SC Datasheet

74F794SC

Manufacturer Part Number

74F794SC

Description

8-Bit Register with Readback

Manufacturer

FAIRCHILD [Fairchild Semiconductor]

Datasheet

1.74F794SC.pdf (6 pages)

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74F794SC

74F794PC

74F794

8-Bit Register with Readback

General Description

The 74F794 is an 8-bit register with readback capability

designed to store data as well as read the register informa-

tion back onto the data bus. The I/O bus (D bus) has 3-

STATE outputs. Current sinking capability is 64 mA on both

the D and Q busses.

Data is loaded into the registers on the LOW-to-HIGH tran-

sition of the clock (CP). The output enable (OE) is used to

enable data on D

registers is enabled on D

bus. When OE is HIGH, D

configuring D as an input bus.

Ordering Code:

Devices also available in Tape and Reel. Specify by appending the suffix letter “X” to the ordering code.

Logic Symbol

Order Number

–D

Package Number

. When OE is LOW, the output of the

M20B

N20A

–D

, enabling D as an output

are inputs to the registers

20-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-013, 0.300 Wide

20-Lead Plastic Dual-In-Line Package (PDIP), JEDEC MS-001, 0.300 Wide

DS010652

Features

Connection Diagram

3-STATE outputs on the I/O port

D and Q output sink capability of 64 mA

Functionally and pin equivalent to the 74LS794

Package Description

March 1990

Revised August 1999

www.fairchildsemi.com

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