74ABT74DB,118

更新时间： 2024-02-24 14:46:29

品牌	Logo	应用领域
恩智浦 - NXP		信息通信管理光电二极管逻辑集成电路触发器锁存器
页数	文件大小	规格书
5页	65K
描述
74ABT74 - Dual D-type flip-flop with set and reset; positive edge-trigger@en-us SSOP1 14-Pin

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74ABT74DB,118 数据手册

Philips Semiconductors

Product specification

Dual D-type flip-flop

74ABT74

QUICK REFERENCE DATA

DESCRIPTION

The 74ABT74 is a dual positive edge-triggered D-type flip-flop

featuring individual data, clock, set, and reset inputs; also true and

complementary outputs. Set (SD) and reset (RD) are asynchronous

active low inputs and operate independently of the clock input.

When set and reset are inactive (high), data at the D input is

transferred to the Q and Q outputs on the low-to-high transition of

the clock. Data must be stable just one setup time prior to the

low-to-high transition of the clock for predictable operation. Clock

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

transition time of the positive-going pulse. Following the hold time

interval, data at the D input may be changed without affecting the

levels of the output.

CONDITIONS

= 25°C;

SYMBOL PARAMETER

TYPICAL UNIT

amb

GND = 0V

Propagation

delay

CPn to

Qn, Qn

3.0

PLH

PHL

2.5

C = 50pF;

= 5V

Output to

Output skew

OSLH

OSHL

0.5

µA

Input

capacitance

V = 0V or V

I CC

Total supply

current

Outputs disabled;

= 5.5V

LOGIC SYMBOL (IEEE/IEC)

PIN CONFIGURATION

RD1

13 RD1

12 D1

CP0

SD1

11 CP1

10 SD1

GND

SF00045

PIN DESCRIPTION

PIN NUMBER SYMBOL

NAME AND FUNCTION

SF00047

1, 2, 3, 4, 10,

11, 12, 13

RDn, Dn,

CPn, SDn

Data inputs

LOGIC DIAGRAM

5, 6, 8, 9

Qn, Qn

GND

Data outputs

Ground (0V)

Positive supply voltage

4, 10

LOGIC SYMBOL

5, 9

1, 13

D0 D1

6, 8

CP0

3, 11

2, 12

SD0

RD0

CP1

SD1

RD1

= Pin 14

GND = Pin 7

Q0 Q0 Q1 Q1

SF00048

= Pin 14

GND = Pin 7

SA00359

ORDERING INFORMATION

PACKAGES

TEMPERATURE RANGE OUTSIDE NORTH AMERICA

NORTH AMERICA

74ABT74 N

DWG NUMBER

SOT27-1

14-Pin Plastic DIP

–40°C to +85°C

74ABT74 N

74ABT74 D

74ABT74 DB

74ABT74 PW

14-Pin plastic SO

74ABT74 D

SOT108-1

SOT337-1

SOT402-1

14-Pin Plastic SSOP Type II

14-Pin Plastic TSSOP Type I

74ABT74 DB

74ABT74PW DH

1995 Sep 22

853-1813 15793

12 3 4 5

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