74HC161D,653 NXP Semiconductors, 74HC161D,653 Datasheet - Page 4

IC SYNC 4BIT BINARY COUNT 16SOIC

74HC161D,653

Manufacturer Part Number
74HC161D,653
Description
IC SYNC 4BIT BINARY COUNT 16SOIC
Manufacturer
NXP Semiconductors
Series
74HCr
Datasheet

Specifications of 74HC161D,653

Package / Case
16-SOIC (3.9mm Width)
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
Counter Type
Binary Counters
Logic Family
74HC
Number Of Bits
4
Counting Method
Synchronous
Operating Supply Voltage
2 V to 6 V
Operating Temperature Range
- 40 C to + 125 C
Mounting Style
SMD/SMT
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Lead Free Status / RoHS Status
Lead free / RoHS Compliant, Lead free / RoHS Compliant
Other names
568-4557-2
74HC161D-T
74HC161D-T
933714520653
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

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