DM7474

更新时间： 2024-09-24 22:54:35

品牌	Logo	应用领域
飞兆/仙童 - FAIRCHILD		触发器
页数	文件大小	规格书
5页	55K
描述
Dual Positive-Edge-Triggered D-Type Flip-Flops with Preset, Clear and Complementary Outputs

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数据手册

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DM7474 数据手册

September 1986

Revised February 2000

DM7474

Dual Positive-Edge-Triggered D-Type Flip-Flops with

Preset, Clear and Complementary Outputs

transition time of the rising edge of the clock. The data on

the D input may be changed while the clock is LOW or

General Description

This device contains two independent positive-edge-trig-

HIGH without affecting the outputs as long as the data

gered D-type flip-flops with complementary outputs. The

setup and hold times are not violated. A LOW logic level on

information on the D input is accepted by the flip-flops on

the preset or clear inputs will set or reset the outputs

the positive going edge of the clock pulse. The triggering

regardless of the logic levels of the other inputs.

occurs at a voltage level and is not directly related to the

Ordering Code:

Order Number Package Number

Package Description

DM7474M

DM7474N

M14A

N14A

14-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-012, 0.150 Narrow

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

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

Connection Diagram

Function Table

Inputs

Outputs

CLR

CLK

(Note 1) (Note 1)

↑

Q₀

H = HIGH Logic Level

X = Either LOW or HIGH Logic Level

L = LOW Logic Level

↑ = Positive-going transition of the clock.

= The output logic level of Q before the indicated input conditions were

established.

Note 1: This configuration is nonstable; that is, it will not persist when either

the preset and/or clear inputs return to their inactive (HIGH) level.

DS006526

www.fairchildsemi.com

12 3 4 5

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与DM7474相关器件

型号	品牌	获取价格	描述	数据表
DM7474J	ETC	获取价格	Dual D-Type Flip-Flop
DM7474J/A+	ETC	获取价格	Dual D-Type Flip-Flop
DM7474M	FAIRCHILD	获取价格	Dual Positive-Edge-Triggered D-Type Flip-Flops with Preset, Clear and Complementary Output
DM7474M	NSC	获取价格	Dual Positive-Edge-Triggered D Flip-Flops with Preset, Clear and Complementary Outputs
DM7474M	TI	获取价格	TTL/H/L SERIES, DUAL POSITIVE EDGE TRIGGERED D FLIP-FLOP, COMPLEMENTARY OUTPUT, PDSO14, PL
DM7474MX	TI	获取价格	TTL/H/L SERIES, DUAL POSITIVE EDGE TRIGGERED D FLIP-FLOP, COMPLEMENTARY OUTPUT, PDSO14, 0.
DM7474N	FAIRCHILD	获取价格	Dual Positive-Edge-Triggered D-Type Flip-Flops with Preset, Clear and Complementary Output
DM7474N	NSC	获取价格	Dual Positive-Edge-Triggered D Flip-Flops with Preset, Clear and Complementary Outputs
DM7474N	TI	获取价格	TTL/H/L SERIES, DUAL POSITIVE EDGE TRIGGERED D FLIP-FLOP, COMPLEMENTARY OUTPUT, PDIP14, PL
DM7474N/A+	ETC	获取价格	Dual D-Type Flip-Flop