Datasheet

74HC_HCT373_Q100 All information provided in this document is subject to legal disclaimers. © NXP B.V. 2012. All rights reserved.
Product data sheet Rev. 1 — 10 August 2012 16 of 24
NXP Semiconductors
74HC373-Q100; 74HCT373-Q100
Octal D-type transparent latch; 3-state
Measurement points are given in Table 10.
Fig 10. 3-state enable and disable time
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t
PLZ
t
PHZ
outputs
disabled
outputs
enabled
90%
10%
outputs
enabled
output
LOW-to-OFF
OFF-to-LOW
output
HIGH-to-OFF
OFF-to-HIGH
OE input
V
I
V
OL
V
OH
V
CC
V
M
GND
GND
t
PZL
t
PZH
V
M
V
M
Measurement points are given in Table 10.
Fig 11. Set-up and hold time data input (Dn) to latch enable input (LE)
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V
M
LE input
Dn input
V
M
t
h
t
su
t
h
t
su
Table 10. Measurement points
Type Input Output
V
M
V
M
74HC373-Q100 0.5V
CC
0.5V
CC
74HCT373-Q100 1.3 V 1.3 V