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74LS574 Datasheet

  • 74LS574

  • Octal D-Type Flip-Flop with 3-STATE Outputs

  • 6頁(yè)

  • FAIRCHILD

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DM74LS574 Octal D-Type Flip-Flop with 3-STATE Outputs
March 1988
Revised March 2000
DM74LS574
Octal D-Type Flip-Flop with 3-STATE Outputs
General Description
The DM74LS574 is a high speed low power octal flip-flop
with a buffered common Clock (CP) and a buffered com-
mon Output Enable (OE). The information presented to the
D inputs is stored in the flip-flops on the LOW-to-HIGH
Clock (CP) transition.
This device is functionally identical to the DM74LS374
except for the pinouts.
Ordering Code:
Order Number
DM74LS574WM
DM74LS574N
Package Number Package Description
M20B
N20A
20-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-013, 0.300 Wide
20-Lead Plastic Dual-In-Line Package (PDIP), JEDEC MS-001, 0.300 Wide
Devices also available in Tape and Reel. Specify by appending the suffix letter 鈥淴鈥?to the ordering code.
Logic Symbol
Connection Diagram
V
CC
=
Pin 20
GND
=
Pin 10
Truth Table
Inputs
Dn
H
L
X
CP
Outputs


X
OE
L
L
H
On
H
L
Z
H
=
HIGH Voltage Level
L
=
LOW Voltage Level
X
=
Immaterial
Z
=
High Impedance
=
HIGH-to-LOW Clock (CP) transition

漏 2000 Fairchild Semiconductor Corporation
DS009815
www.fairchildsemi.com

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