MC74F640 Ver la hoja de datos (PDF) - Motorola => Freescale

Número de pieza

componentes Descripción

fabricante

MC74F640

OCTAL BUS TRANSCEIVER, INVERTING WITH 3-STATE OUTPUTS

Motorola => Freescale 

LOGIC DIAGRAM

MC74F640

A0

A1

A2

A3

A4

2

3

4

5

6

A5

A6

A7

7

8

9

OE 19

1

T/R

VCC = PIN 20

GND = PIN 10

18

17

16

15

14

B0

B1

B2

B3

B4

13

12

11

B5

B6

B7

AC ELECTRICAL CHARACTERISTICS

Symbol

tPLH

tPHL

tPZH

tPZL

tPHZ

tPLZ

Parameter

Propagation Delay

An to Bn, Bn to An

Output Enable Time

to High or Low Level

Output Disable Time

to High or Low Level

74F

74F

TA = +25°C

VCC = +5.0 V

CL = 50 pF

RL = 500 Ω

TA = 0°C to +70°C

VCC = +5.0 V ±10%

CL = 50 pF

RL = 500 Ω

Min

Typ

Max

Min

Typ

Max

Unit

2.0

7.0

2.0

1.0

5.0

1.0

8.0

5.5

ns

3.5

11

3.5

6.0

11

6.0

13

12

ns

1.5

8.0

1.5

1.0

7.0

1.0

9.0

7.5

ns

FAST AND LS TTL DATA

4-240

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