MC74HC161ADG ON Semiconductor, MC74HC161ADG Datasheet - Page 2

• Manufacturer Part Number: MC74HC161ADG
• Description: IC COUNTER 4BIT PRESET 16SOIC
• Manufacturer: ON Semiconductor
• Series: 74HCr

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