MC14597B Ver la hoja de datos (PDF) - Motorola => Freescale

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MC14597B

8-Bit Bus-Compatible Latches

Motorola => Freescale 

ENABLE 4

RESET 2

STROBE 6

DATA 3

INCREMENT 7

MC14597B FUNCTION DIAGRAM

VDD

TO OTHER

LATCHES

VDD R

DQ

CLK

VDD

5 FULL

TO OTHER

LATCHES

SEVEN

SELECT

R

3 STAGE COUNTER

AND DECODER

CLK

ZERO

SELECT

1 D0

ONE LATCH

VSS

ADDITIONAL 7 LATCHES

15 D1

14 D2

13 D3

12 D4

11 D5

10 D6

9 D7

D6 (INTERNAL)

MC14597B TIMING DIAGRAMS

D7 (INTERNAL)

INCREMENT

DATA

STROBE

FULL

tWL

tWH

20 ns

tsu

90% 10%

tsu th

90%

10%

tW

20 ns

tPHL

trem

RESET

NOTE: Enable in High state.

Dn 1 10%

tPHL

FULL

tTLH

90%

tTHL

90%

10%

50%

tW

ENABLE

*

*

tWL

* 1.4 V with VDD = 5.0 V

NOTES:

1. High–impedance output state (another device controls bus).

2. Reset in High state.

MC14597B MC14598B

4

MOTOROLA CMOS LOGIC DATA

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