HD74HC77RPEL 데이터 시트보기 (PDF) - Renesas Electronics

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HD74HC77RPEL

4-bit Bistable Latch

Renesas Electronics 

HD74HC77

4-bit Bistable Latch

REJ03D0552-0200

(Previous ADE-205-424)

Rev.2.00

Oct 06, 2005

Description

The HD74HC77 is ideally suited for use as temporary storage for binary information between processing units and

input/output or indicator units. Information present at a data (D) input is transferred to the Q output when the enable

(G) is high and the Q output will follow the data input as long as the enable remains high. When the enable goes low

the information (that was present at the data input at the time the transition occurred) is retained at the Q output until the

enable is permitted to go high.

Features

• High Speed Operation: tpd (D to Q) = 12 ns typ (CL = 50 pF)

• High Output Current: Fanout of 10 LSTTL Loads

• Wide Operating Voltage: VCC = 2 to 6 V

• Low Input Current: 1 µA max

• Low Quiescent Supply Current: ICC (static) = 2 µA max (Ta = 25°C)

• Ordering Information

Part Name

Package Type

Package Code

(Previous Code)

Package

Abbreviation

HD74HC77P

DILP-14 pin

PRDP0014AB-B

(DP-14AV)

P

HD74HC77FPEL SOP-14 pin (JEITA)

PRSP0014DF-B

(FP-14DAV)

FP

HD74HC77RPEL SOP-14 pin (JEDEC) PRSP0014DE-A RP

(FP-14DNV)

Note: Please consult the sales office for the above package availability.

Taping Abbreviation

(Quantity)

—

EL (2,000 pcs/reel)

EL (2,500 pcs/reel)

Function Table

Data

L

H

X

H : High level

L : Low level

X : Irrelevant

Inputs

Enable G

H

H

L

Output

Q

L

H

No change

Rev.2.00, Oct 06, 2005 page 1 of 6

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