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MC74AC574M データシートの表示(PDF) - ON Semiconductor

部品番号コンポーネント説明メーカー
MC74AC574M Octal D Flip?Flop with 3?State Outputs ON-Semiconductor
ON Semiconductor ON-Semiconductor
MC74AC574M Datasheet PDF : 10 Pages
1 2 3 4 5 6 7 8 9 10
MC74AC574, MC74ACT574
Octal D Flip−Flop with
3−State Outputs
The MC74AC574/74ACT574 is a high−speed, low power octal
flip−flop with a buffered common Clock (CP) and a buffered common
Output Enable (OE). The information presented to the D inputs is
stored in the flip−flops on the LOW−to−HIGH Clock (CP) transition.
The MC74AC574/74ACT574 is functionally identical to the
MC74AC374/74ACT374 except for the pinouts.
Features
Inputs and Outputs on Opposite Sides of Package Allowing Easy
Interface with Microprocessors
Useful as Input or Output Port for Microprocessors
Functionally Identical to MC74AC374/74ACT374
3-State Outputs for Bus-Oriented Applications
Outputs Source/Sink 24 mA
ACT574 Has TTL Compatible Inputs
Pb−Free Packages are Available
VCC O0 O1 O2 O3 O4 O5 O6 O7 CP
20 19 18 17 16 15 14 13 12 11
http://onsemi.com
1
1
PDIP−20
N SUFFIX
CASE 738
SOIC−20W
DW SUFFIX
CASE 751D
TSSOP−20
DT SUFFIX
CASE 948E
1
1 2 3 4 5 6 7 8 9 10
OE D0 D1 D2 D3 D4 D5 D6 D7 GND
Figure 1. Pinout: 20−Lead Packages Conductors
(Top View)
PIN ASSIGNMENT
PIN
FUNCTION
D0−D7
CP
Data Inputs
Clock Pulse Input
OE
3−State Output Enable Input
O0−O7
3−State Outputs
SOEIAJ−20
M SUFFIX
CASE 967
1
DEVICE MARKING INFORMATION
See general marking information in the device marking
section on page 6 of this data sheet.
ORDERING INFORMATION
See detailed ordering and shipping information in the package
dimensions section on page 7 of this data sheet.
D0 D1 D2 D3 D4 D5 D6 D7
CP
OE
O0 O1 O2 O3 O4 O5 O6 O7
Figure 2. Logic Symbol
© Semiconductor Components Industries, LLC, 2006
1
December, 2006 − Rev. 8
Publication Order Number:
MC74AC574/D
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