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MC74AC373_17 View Datasheet(PDF) - ON Semiconductor

Part NameDescriptionManufacturer
MC74AC373_17 Octal Transparent Latch with 3-State Outputs ON-Semiconductor
ON Semiconductor ON-Semiconductor
MC74AC373_17 Datasheet PDF : 10 Pages
1 2 3 4 5 6 7 8 9 10
MC74AC373, MC74ACT373
Octal Transparent Latch
with 3-State Outputs
The MC74AC373/74ACT373 consists of eight latches with 3−state
outputs for bus organized system applications. The flip−flops appear
transparent to the data when Latch Enable (LE) is HIGH. When LE is
LOW, the data that meets the setup time is latched. Data appears on the
bus when the Output Enable (OE) is LOW. When OE is HIGH, the bus
output is in the high impedance state.
Features
Eight Latches in a Single Package
3−State Outputs for Bus Interfacing
Outputs Source/Sink 24 mA
ACT373 Has TTL Compatible Inputs
These are Pb−Free Devices
VCC O7 D7 D6 O6 O5 D5 D4 O4 LE
20 19 18 17 16 15 14 13 12 11
1 2 3 4 5 6 7 8 9 10
OE O0 D0 D1 O1 O2 D2 D3 O3 GND
Figure 1. Pinout: 20−Lead Packages Conductors
(Top View)
www.onsemi.com
SOIC−20W
DW SUFFIX
CASE 751D
1
TSSOP−20
DT SUFFIX
CASE 948E
1
ORDERING INFORMATION
See detailed ordering and shipping information in the package
dimensions section on page 8 of this data sheet.
DEVICE MARKING INFORMATION
See general marking information in the device marking
section on page 9 of this data sheet.
PIN ASSIGNMENT
PIN
FUNCTION
D0−D7
LE
Data Inputs
Latch Enable Input
OE
Output Enable Input
O0−O7
3−State Latch Outputs
D0 D1 D2 D3 D4 D5 D6 D7
LE
OE
O0 O1 O2 O3 O4 O5 O6 O7
Figure 2. Logic Symbol
© Semiconductor Components Industries, LLC, 2017
1
February, 2017 − Rev. 11
Publication Order Number:
MC74AC373/D
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