74LVC169D Ver la hoja de datos (PDF) - Philips Electronics

Número de pieza

componentes Descripción

fabricante

74LVC169D

Presettable synchronous 4-bit up/down binary counter

Philips Electronics 

Philips Semiconductors

Presettable synchronous 4-bit up/down

binary counter

Product specification

74LVC169

AC CHARACTERISTICS

GND = 0 V; tr = tf v 2.5 ns; CL = 50 pF; RL = 500W; Tamb = –40_C to +85_C

LIMITS

SYMBOL

PARAMETER

WAVEFORM

VCC = 3.3V ±0.3V

MIN. TYP1 MAX.

VCC = 2.7V

MIN.

MAX.

tPHL/tPLH

tPHL/tPLH

propagation delay

CP to Qn

propagation delay

CP to TC

1

-

5.0

8.5

-

9.5

1

-

6.5

10.8

-

12.8

propagation delay

tPHL/tPLH CET to TC

2

-

5.3

8.7

-

9.7

propagation delay

tPHL/tPLH U/D to TC

4

-

5.7

9.5

-

10.5

clock pulse width

tW

HIGH or LOW

1

4.0

1.2

-

5.0

-

set-up time

tsu

Dn to CP

set-up time

tsu

PE to CP

set-up time

tsu

U/D to CP

3

2.5

1.0

-

3.0

-

3

3.0

1.2

-

3.5

-

5

5.5

2.8

-

6.5

-

set-up time

tsu

CEP, CET to CP

5

4.5

2.1

-

5.5

-

hold time

th

Dn, PE, CEP, CET,

U/D to CP

3 and 5

0

*2.5

-

0

-

fmax

maximum clock pulse

frequency

1

125

200

-

110

-

NOTE:

1. These typical values are measured at VCC = 3.3V and Tamb = 25°C.

VCC = 1.2V

TYP

UNIT

24

ns

30

ns

19

ns

24

ns

-

ns

-

ns

-

ns

-

ns

-

ns

-

ns

-

MHz

1998 May 20

8

Share Link: