74F574PC Fairchild Semiconductor, 74F574PC Datasheet - Page 2

• Manufacturer Part Number: 74F574PC
• Description: IC FLIP FLOP OCT D-TYPE 20-DIP
• Manufacturer: Fairchild Semiconductor
• Series: 74Fr
• Type: D-Type Busr

Specifications of 74F574PC

• Function: Standard
• Output Type: Tri-State Non Inverted
• Number Of Elements: 1
• Number Of Bits Per Element: 8
• Frequency - Clock: 100MHz
• Delay Time - Propagation: 5.3ns
• Trigger Type: Positive Edge
• Current - Output High, Low: 3mA, 24mA
• Voltage - Supply: 4.5 V ~ 5.5 V
• Operating Temperature: 0°C ~ 70°C
• Mounting Type: Through Hole
• Package / Case: 20-DIP (0.300", 7.62mm)
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

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Unit Loading/Fan Out
Functional Description
The 74F574 consists of eight edge-triggered flip-flops with
individual D-type inputs and 3-STATE true outputs. The
buffered clock and buffered Output Enable are common to
all flip-flops. The eight flip-flops will store the state of their
individual D inputs that meet the setup and hold times
requirements on the LOW-to-HIGH Clock (CP) transition.
With the Output Enable (OE) LOW, the contents of the
eight flip-flops are available at the outputs. When OE is
HIGH, the outputs go to the high impedance state. Opera-
tion of the OE input does not affect the state of the flip-
flops.
Logic Diagram
Please note that this diagram is provided only for the understanding of logic operations and should not be used to estimate propagation delays.
D
CP
OE
O
0
0
–D
–O
Pin Names
7
7
Data Inputs
Clock Pulse Input (Active LOW)
3-STATE Output Enable Input (Active LOW)
3-STATE Outputs
Description
2
Function Table

NC
OE
H
X
Z
L
H
H
H
H
L
L
L
L
LOW Voltage Level
High Impedance
LOW-to-HIGH Transition
HIGH Voltage Level
Immaterial
No Change
Inputs
CP




H
H
H
H
150/40 (33.3)
D
H
H
H
H
HIGH/LOW
L
L
L
L
1.0/1.0
1.0/1.0
1.0/1.0
U.L.
Internal Outputs
NC
NC
NC
NC
Q
H
H
L
L
3 mA/24 mA (20 mA)
NC
NC
O
Z
Z
Z
Z
H
Output I
20 A/ 0.6 mA
20 A/ 0.6 mA
20 A/ 0.6 mA
L
Input I
Hold
Hold
Load
Load
Data Available
Data Available
No Change in Data
No Change in Data
IH
OH
/I
/I
IL
Function
OL