SN74LS160AN Motorola, SN74LS160AN Datasheet

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SN74LS160AN

Manufacturer Part Number
SN74LS160AN
Description
BCD decade counter/4-bit binary counter
Manufacturer
Motorola
Datasheet
BCD DECADE COUNTERS/
4-BIT BINARY COUNTERS
ers. They are edge-triggered, synchronously presettable, and cascadable
MSI building blocks for counting, memory addressing, frequency division and
other applications. The LS160A and LS162A count modulo 10 (BCD). The
LS161A and LS163A count modulo 16 (binary.)
input that overrides, and is independent of, the clock and all other control
inputs. The LS162A and LS163A have a Synchronous Reset (Clear) input that
overrides all other control inputs, but is active only during the rising clock
edge.
NOTES:
a) 1 TTL Unit Load (U.L.) = 40 A HIGH/1.6 mA LOW.
b) The Output LOW drive factor is 2.5 U.L. for Military (54) and 5 U.L. for Commercial (74)
Asynchronous Reset
Synchronous Reset
PIN NAMES
PE
P 0 – P 3
CEP
CET
CP
MR
SR
Q 0 – Q 3
TC
Temperature Ranges.
The LS160A / 161A / 162A / 163A are high-speed 4-bit synchronous count-
The LS160A and LS161A have an asynchronous Master Reset (Clear)
Synchronous Counting and Loading
Two Count Enable Inputs for High Speed Synchronous Expansion
Terminal Count Fully Decoded
Edge-Triggered Operation
Typical Count Rate of 35 MHz
ESD > 3500 Volts
V CC
16
*R
1
CP
TC
15
2
Parallel Enable (Active LOW) Input
Parallel Inputs
Count Enable Parallel Input
Count Enable Trickle Input
Clock (Active HIGH Going Edge) Input
Master Reset (Active LOW) Input
Synchronous Reset (Active LOW) Input
Parallel Outputs (Note b)
Terminal Count Output (Note b)
CONNECTION DIAGRAM DIP (TOP VIEW)
Q 0
14
P 0
3
Q 1
13
P 1
4
Q 2
BCD (Modulo 10)
12
P 2
5
LS160A
LS162A
Q 3
11
P 3
6
CET
CEP
10
7
GND
PE
9
8
FAST AND LS TTL DATA
Binary (Modulo 16)
NOTE:
The Flatpak version
has the same pinouts
(Connection Diagram) as
the Dual In-Line Package.
*MR for LS160A and LS161A
*SR for LS162A and LS163A
1.0 U.L.
0.5 U.L.
0.5 U.L.
1.0 U.L.
0.5 U.L.
0.5 U.L.
1.0 U.L.
HIGH
10 U.L.
10 U.L.
LOADING (Note a)
LS161A
LS163A
5-278
5 (2.5) U.L.
5 (2.5) U.L.
LOW
0.25 U.L.
0.25 U.L.
0.25 U.L.
0.25 U.L.
0.5 U.L.
0.5 U.L.
0.5 U.L.
SN54/74LS160A
SN54/74LS161A
SN54/74LS162A
SN54/74LS163A
16
16
10
BCD DECADE COUNTERS/
7
2
4-BIT BINARY COUNTERS
ORDERING INFORMATION
16
LOW POWER SCHOTTKY
1
1
SN54LSXXXJ
SN74LSXXXN Plastic
SN74LSXXXD SOIC
*MR for LS160A and LS161A
*SR for LS162A and LS163A
1
CEP
CET
CP
LOGIC SYMBOL
PE
9
*R Q 0 Q 1
1
V CC = PIN 16
GND = PIN 8
14
P 0
3
13
P 1
4
Ceramic
12
P 2
Q 2 Q 3
5
CASE 751B-03
CASE 620-09
CASE 648-08
CERAMIC
N SUFFIX
D SUFFIX
J SUFFIX
PLASTIC
P 3
11
6
SOIC
TC
15

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SN74LS160AN Summary of contents

Page 1

BCD DECADE COUNTERS/ 4-BIT BINARY COUNTERS The LS160A / 161A / 162A / 163A are high-speed 4-bit synchronous count- ers. They are edge-triggered, synchronously presettable, and cascadable MSI building blocks for counting, memory addressing, frequency division and other applications. The ...

Page 2

SN54/74LS160A SN54/74LS161A SN54/74LS162A SN54/74LS163A STATE DIAGRAM LS160A LS162A FUNCTIONAL DESCRIPTION The LS160A / 161A / 162A / 163A are 4-bit synchronous counters with a ...

Page 3

SN54/74LS160A SN54/74LS161A SN54/74LS162A SN54/74LS163A GUARANTEED OPERATING RANGES Symbol Parameter V CC Supply Voltage T A Operating Ambient Temperature Range I OH Output Current — High I OL Output Current — Low LS160A and LS161A DC CHARACTERISTICS OVER OPERATING TEMPERATURE RANGE ...

Page 4

SN54/74LS160A SN54/74LS161A SN54/74LS162A SN54/74LS163A LS162A and LS163A DC CHARACTERISTICS OVER OPERATING TEMPERATURE RANGE Symbol Symbol Parameter Parameter V IH Input HIGH Voltage Input LOW Voltage Input LOW Voltage V IK Input Clamp Diode Voltage V OH ...

Page 5

SN54/74LS160A SN54/74LS161A SN54/74LS162A SN54/74LS163A AC SETUP REQUIREMENTS ( Symbol Symbol Parameter Parameter Clock Pulse Width Low Pulse Width t s Setup Time, other Setup Time PE ...

Page 6

SN54/74LS160A SN54/74LS161A SN54/74LS162A SN54/74LS163A COUNT ENABLE TRICKLE INPUT TO TERMINAL COUNT OUTPUT DELAYS The positive TC pulse occurs when the outputs are in the ( state for the LS160 and LS162 and ...

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