74HC161PW,112 NXP Semiconductors, 74HC161PW,112 Datasheet - Page 4
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74HC161PW,112
Manufacturer Part Number
74HC161PW,112
Description
IC SYNC 4BIT BINAR COUNT 16TSSOP
Manufacturer
NXP Semiconductors
Series
74HCr
Datasheet
1.74HC161D653.pdf
(12 pages)
Specifications of 74HC161PW,112
Package / Case
16-TSSOP
Logic Type
Binary Counter
Direction
Up
Number Of Elements
1
Number Of Bits Per Element
4
Reset
Asynchronous
Timing
Asynchronous/Synchronous
Count Rate
48MHz
Trigger Type
Positive Edge
Voltage - Supply
2 V ~ 6 V
Operating Temperature
-40°C ~ 125°C
Mounting Type
Surface Mount
Mounting Style
SMD/SMT
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
74HC161PW
74HC161PW
935188320112
74HC161PW
935188320112
Philips Semiconductors
FUNCTION TABLE
Note
1. The TC output is HIGH when CET is HIGH and the counter is at terminal count (HHHH).
December 1990
reset (clear)
parallel load
count
hold
(do nothing)
Presettable synchronous 4-bit binary
counter; asynchronous 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
L
H
H
H
H
H
MR
X
X
X
Fig.4 Functional diagram.
CP
X
X
X
h
I
X
CEP
4
INPUTS
X
X
X
h
X
I
CET
X
I
I
h
h
h
PE
X
I
h
X
X
X
D
n
74HC/HCT161
Product specification
L
L
H
count
q
q
n
n
Q
OUTPUTS
n
L
L
(1)
(1)
(1)
L
TC