74VHC374M Fairchild Semiconductor, 74VHC374M Datasheet - Page 2

• Manufacturer Part Number: 74VHC374M
• Description: IC F/F OCTAL D-TYPE 3ST 20-SOIC
• Manufacturer: Fairchild Semiconductor
• Series: 74VHCr
• Type: D-Type Busr

Specifications of 74VHC374M

• Function: Standard
• Output Type: Tri-State Non Inverted
• Number Of Elements: 1
• Number Of Bits Per Element: 8
• Frequency - Clock: 185MHz
• Delay Time - Propagation: 5.4ns
• Trigger Type: Positive Edge
• Current - Output High, Low: 8mA, 8mA
• Voltage - Supply: 2 V ~ 5.5 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 20-SOIC (7.5mm Width)
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

©1992 Fairchild Semiconductor Corporation
74VHC374 Rev. 1.3
Logic Symbol
Truth Table
H = HIGH Voltage Level
L = LOW Voltage Level
X = Immaterial
Z = High Impedance
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.
= LOW-to-HIGH Transition
D
H
X
L
n
Inputs
CP
X
IEEE/IEC
OE
H
L
L
Outputs
O
H
L
Z
n
Figure 1.
2
Functional Description
The VHC374 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 time requirements on the LOW-to-HIGH Clock (CP)
transition. With the Output Enable (OE) LOW, the con-
tents of the eight flip-flops are available at the outputs.
When the OE is HIGH, the outputs go to the high imped-
ance state. Operation of the OE input does not affect the
state of the flip-flops.
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