MC74HC161ADG ON Semiconductor, MC74HC161ADG Datasheet - Page 2
MC74HC161ADG
Manufacturer Part Number
MC74HC161ADG
Description
IC COUNTER 4BIT PRESET 16SOIC
Manufacturer
ON Semiconductor
Series
74HCr
Datasheet
1.MC74HC161ADTG.pdf
(16 pages)
Specifications of MC74HC161ADG
Logic Type
Binary Counter
Direction
Up
Number Of Elements
1
Number Of Bits Per Element
4
Reset
Asynchronous
Timing
Synchronous
Count Rate
167MHz
Trigger Type
Positive Edge
Voltage - Supply
2 V ~ 6 V
Operating Temperature
-40°C ~ 85°C
Mounting Type
Surface Mount
Package / Case
16-SOIC (3.9mm Width)
Counter Type
Presettable
Clock Frequency
35MHz
Count Maximum
15
Supply Voltage Range
2V To 6V
Logic Case Style
SOIC
No. Of Pins
16
Operating Temperature Range
-55°C To +125°C
Family Type
HC
Rohs Compliant
Yes
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
ENABLE P
CLOCK
RESET
Figure 1. Pin Assignment
GND
P0
P1
P2
P3
1
2
3
4
5
6
7
8
16
15
14
13
12
10
11
ENABLES
9
COUNT
PRESET
INPUTS
DATA
V
RIPPLE
CARRY OUT
Q0
Q1
Q2
Q3
ENABLE T
LOAD
CC
CLOCK
ENABLE P
ENABLE T
P0
P1
P2
P3
RESET
HC161A
HC163A
LOAD
Device
3
4
5
6
2
Figure 2. Logic Diagram
DEVICE/MODE TABLE
10
1
9
7
http://onsemi.com
Count
Binary
Binary
Mode
*HC163A only. HC161A is an Asynchronous Reset Device
H = high level, L = low level, X = don’t care
Clock
2
Asynchronous
Synchronous
Reset Mode
Reset*
H
H
H
H
L
Load
14
13
12
PIN 16 = V
PIN 8 = GND
11
15
Inputs
X
H
H
H
L
FUNCTION TABLE
Q0
Q1
Q2
Q3
RIPPLE
CARRY
OUT
Enable P
CC
X
X
H
X
L
OUTPUT
BCD OR
BINARY
Enable T
X
X
H
X
L
Load Preset Data
No Count
No Count
Output
Count
Reset
Q