74hc590bq NXP Semiconductors, 74hc590bq Datasheet - Page 18

• Manufacturer Part Number: 74hc590bq
• Description: 74hc590 8-bit Binary Counter With Output Register; 3-state
• Manufacturer: NXP Semiconductors

Philips Semiconductors
9397 750 14691
Product data sheet
Fig 11. Waveforms showing the 3-state enable and disable times
Fig 12. Waveforms showing the set-up and hold times for the count enable input (CE) to
Fig 13. Waveforms showing the set-up and hold times for the counter clock input (CPC) to
Measurement points: V
V
Measurement points: V
V
the counter clock input (CPC)
Measurement points: V
V
the register clock input (CPR)
OL
OL
OL
and V
and V
and V
OH
OH
OH
HIGH-to-OFF
OFF-to-HIGH
OFF-to-LOW
LOW-to-OFF
are the typical output voltage drop that occur with the output load.
are the typical output voltage drop that occur with the output load.
are the typical output voltage drop that occur with the output load.
OE input
output
output
Rev. 01 — 30 March 2005
CPC input
CPC input
CPR input
CE input
M
M
M
GND
GND
V
V
= 0.5
= 0.5
= 0.5
V
CC
OH
OL
GND
GND
V
V
V
V
V
I
OH
OH
OL
OL
V
V
I
I
V
V
V
I
I
I
enabled
.
.
.
outputs
8-bit binary counter with output register; 3-state
V
t
V
t
V
su
su
t
M
M
M
PLZ
t
PHZ
V
V
M
M
t
h
10 %
90 %
t
su
disabled
outputs
t
t
t
PZL
t
h
h
PZH
© Koninklijke Philips Electronics N.V. 2005. All rights reserved.
001aac553
001aac552
V
M
V
001aac554
M
outputs
enabled
74HC590
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