74HC/HCT162 Philips Semiconductors (Acquired by NXP), 74HC/HCT162 Datasheet - Page 4

• Manufacturer Part Number: 74HC/HCT162
• Description: Presettable Synchronous BCD Decade Counter; Synchronous Reset
• Manufacturer: Philips Semiconductors (Acquired by NXP)

Philips Semiconductors
FUNCTION TABLE
Notes
1. The TC output is HIGH when CET is HIGH and the counter is at terminal count (HLLH).
December 1990
reset (clear)
parallel load
count
hold
(do nothing)
Presettable synchronous BCD decade
counter; synchronous reset
H = HIGH voltage level
h = HIGH voltage level one set-up time prior to the LOW-to-HIGH CP transition
L = LOW voltage level
I = LOW voltage level one set-up time prior to the LOW-to-HIGH CP transition
q = lower case letters indicate the state of the referenced output one set-up time prior to the
X = don’t care
OPERATING MODE
= LOW-to-HIGH CP transition
LOW-to-HIGH CP transition
I
h
h
h
h
h
MR
X
X
CP
Fig.4 Functional diagram.
X
X
X
h
I
X
CEP
INPUTS
4
X
X
X
h
X
I
CET
X
I
I
h
h
h
PE
X
I
h
X
X
X
D
n
74HC/HCT162
L
L
H
count
q
q
n
n
Product specification
Q
n
OUTPUTS
L
L
(1)
(1)
(1)
L
TC