M74HCT574B1R STMicroelectronics, M74HCT574B1R Datasheet - Page 2

• Manufacturer Part Number: M74HCT574B1R
• Description: IC FLIP/FLOP OCTAL D-TYPE 20-DIP
• Manufacturer: STMicroelectronics
• Series: 74HCTr
• Type: D-Type Busr

Specifications of M74HCT574B1R

• Function: Standard
• Output Type: Tri-State Non Inverted
• Number Of Elements: 1
• Number Of Bits Per Element: 8
• Frequency - Clock: 50MHz
• Delay Time - Propagation: 24ns
• Trigger Type: Positive Edge
• Current - Output High, Low: 6mA, 6mA
• Voltage - Supply: 4.5 V ~ 5.5 V
• Operating Temperature: -55°C ~ 125°C
• Mounting Type: Through Hole
• Package / Case: 20-DIP (0.300", 7.62mm)
• Logic Family: HCT
• Technology: CMOS
• Number Of Bits: 8
• Number Of Elements: 1
• Clock-edge Trigger Type: Positive-Edge
• Polarity: Non-Inverting
• Operating Supply Voltage (typ): 5V
• Package Type: PDIP
• Propagation Delay Time: 54ns
• Low Level Output Current: 6mA
• High Level Output Current: -6mA
• Frequency (max): 21MHz
• Operating Supply Voltage (min): 4.5V
• Operating Supply Voltage (max): 5.5V
• Operating Temp Range: -55C to 125C
• Operating Temperature Classification: Military
• Mounting: Through Hole
• Pin Count: 20
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 497-1919-5

M74HCT574
INPUT AND OUTPUT EQUIVALENT CIRCUIT
TRUTH TABLE
X: Don’t Care
Z: High Impedance
LOGIC DIAGRAM
This logic diagram has not be used to estimate propagation delays
2/11
OE
H
L
L
L
INPUTS
CK
X
PIN DESCRIPTION
2, 3, 4, 5, 6,
12, 13, 14,
15, 16, 17,
PIN No
7, 8, 9
18, 19
11
10
20
1
D
X
X
H
L
SYMBOL
Q7 to Q0
D0 to D7
GND
V
OE
CK
CC
3 State Output Enable
Input (Active LOW)
Data Inputs
3 State Outputs
Clock Input (LOW to
HIGH, edge triggered)
Ground (0V)
Positive Supply Voltage
NAME AND FUNCTION
NO CHANGE
OUTPUT
Q
H
Z
L