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MC74AC244 Datasheet(Folha de dados) 1 Page - ON Semiconductor

Nome de Peças. MC74AC244
descrição  Octal Buffer/Line Driver with 3-State Outputs
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© Semiconductor Components Industries, LLC, 2001
May, 2001 – Rev. 5
1
Publication Order Number:
MC74AC244/D
MC74AC244, MC74ACT244
Octal Buffer/Line Driver
with 3-State Outputs
The MC74AC244/74ACT244 is an octal buffer and line driver
designed to be employed as a memory address driver, clock driver
and bus oriented transmitter/receiver which provides improved PC
board density.
3–State Outputs Drive Bus Lines or Buffer Memory Address
Registers
Outputs Source/Sink 24 mA
′ACT244 Has TTL Compatible Inputs
19
20
18
17
16
15
14
2
1
34567
VCC
13
8
12
9
11
10
OE2
OE1
GND
Figure 1. Pinout: 20–Lead Packages Conductors
(Top View)
TRUTH TABLE
Inputs
Outputs
OE1
D
(Pins 12, 14, 16, 18)
L
L
L
L
H
H
H
X
Z
NOTE:
H = HIGH Voltage Level
L = LOW Voltage Level
X = Immaterial
Z = High Impedance
TRUTH TABLE
Inputs
Outputs
OE2
D
(Pins 3, 5, 7, 9)
L
L
L
L
H
H
H
X
Z
NOTE:
H = HIGH Voltage Level
L = LOW Voltage Level
X = Immaterial
Z = High Impedance
http://onsemi.com
1
20
PDIP–20
N SUFFIX
CASE 738
1
20
1
20
1
20
SO–20
DW SUFFIX
CASE 751
TSSOP–20
DT SUFFIX
CASE 948E
EIAJ–20
M SUFFIX
CASE 967
Device
Package
Shipping
ORDERING INFORMATION
MC74AC244N
PDIP–20
18 Units/Rail
MC74ACT244N
PDIP–20
18 Units/Rail
MC74AC244DW
SOIC–20
38 Units/Rail
MC74AC244DWR2
SOIC–20
1000 Tape & Reel
MC74ACT244DW
SOIC–20
38 Units/Rail
MC74ACT244DWR2
SOIC–20
1000 Tape & Reel
MC74AC244DT
TSSOP–20
75 Units/Rail
MC74AC244DTR2
TSSOP–20
2500 Tape & Reel
MC74ACT244DT
TSSOP–20
75 Units/Rail
MC74ACT244DTR2
TSSOP–20
2500 Tape & Reel
MC74AC244M
EIAJ–20
40 Units/Rail
MC74AC244MEL
EIAJ–20
2000 Tape & Reel
MC74ACT244M
EIAJ–20
40 Units/Rail
MC74ACT244MEL
EIAJ–20
2000 Tape & Reel
See general marking information in the device marking
section on page 5 of this data sheet.
DEVICE MARKING INFORMATION




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