M74HC4520B1R STMicroelectronics, M74HC4520B1R Datasheet - Page 2

• Manufacturer Part Number: M74HC4520B1R
• Description: IC COUNTER DUAL 4BIT BIN 16-DIP
• Manufacturer: STMicroelectronics
• Series: 74HCr

Specifications of M74HC4520B1R

• Logic Type: Binary Counter
• Direction: Up
• Number Of Elements: 2
• Number Of Bits Per Element: 4
• Reset: Asynchronous
• Count Rate: 60MHz
• Trigger Type: Positive, Negative
• Voltage - Supply: 2 V ~ 6 V
• Operating Temperature: -55°C ~ 125°C
• Mounting Type: Through Hole
• Package / Case: 16-DIP (0.300", 7.62mm)
• Timing: -
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Timing: -
• Lead Free Status / Rohs Status: Contains lead / RoHS non-compliant
• Other names: 497-1862-5

M74HC4520
INPUT AND OUTPUT EQUIVALENT CIRCUIT
TRUTH TABLE
X : Don’t Care
Z : High Impedance
2/12
CLOCK
X
H
X
L
CLOCK ENABLE
INPUTS
H
X
X
L
PIN DESCRIPTION
11, 12, 13,
3, 4, 5, 6
PIN No
2, 10
7, 15
1, 9
14
16
8
CLEAR
H
L
L
L
L
L
L
2Q0 tO 2Q3 Data Outputs
1Q0 to 1Q3 Data Outputs
1CE, 2CE
SYMBOL
1CLOCK,
1CLEAR,
2CLOCK
2CLEAR
GND
Vcc
INCREMENT COUNTER
INCREMENT COUNTER
Clock Inputs (LOW to
HIGH, Edge-Triggered)
Clock Enable Inputs
Asynchronous Reset
Inputs (Active LOW)
Ground (0V)
Positive Supply Voltage
NAME AND FUNCTION
Q0 THRU Q3=L
NO CHANGE
NO CHANGE
NO CHANGE
NO CHANGE
FUNCTION