MC74AC373DWR2_01 View Datasheet(PDF) - ON Semiconductor
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MC74AC373DWR2_01 Datasheet PDF : 12 Pages
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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.
• Eight Latches in a Single Package
• 3–State Outputs for Bus Interfacing
• Outputs Source/Sink 24 mA
• ′ACT373 Has TTL Compatible Inputs
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)
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
http://onsemi.com
20
1
20
1
20
1
PDIP–20
N SUFFIX
CASE 738
SO–20
DW SUFFIX
CASE 751
TSSOP–20
DT SUFFIX
CASE 948E
20
1
EIAJ–20
M SUFFIX
CASE 967
ORDERING INFORMATION
Device
Package
Shipping
MC74AC373N
PDIP–20 18 Units/Rail
MC74ACT373N
PDIP–20 18 Units/Rail
MC74AC373DW
SOIC–20 38 Units/Rail
MC74AC373DWR2 SOIC–20 1000 Tape & Reel
MC74ACT373DW SOIC–20 38 Units/Rail
MC74ACT373DWR2 SOIC–20 1000 Tape & Reel
MC74AC373DT
TSSOP–20 75 Units/Rail
MC74AC373DTR2 TSSOP–20 2500 Tape & Reel
MC74ACT373DT TSSOP–20 75 Units/Rail
MC74ACT373DTR2 TSSOP–20 2500 Tape & Reel
MC74AC373M
EIAJ–20 40 Units/Rail
MC74AC373MEL
EIAJ–20 2000 Tape & Reel
MC74ACT373M
EIAJ–20 40 Units/Rail
MC74ACT373MEL EIAJ–20 2000 Tape & Reel
DEVICE MARKING INFORMATION
See general marking information in the device marking
section on page 8 of this data sheet.
© Semiconductor Components Industries, LLC, 2001
1
May, 2001 – Rev. 6
Publication Order Number:
MC74AC373/D
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