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AC244 Datasheet

  • AC244

  • Octal Buffer/Line Driver with 3-State Outputs

  • 8頁(yè)

  • ONSEMI

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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.
http://onsemi.com
PDIP鈥?0
N SUFFIX
CASE 738
20
1
鈥?/div>
3鈥揝tate Outputs Drive Bus Lines or Buffer Memory Address
Registers
鈥?/div>
Outputs Source/Sink 24 mA
鈥?/div>
鈥睞CT244
Has TTL Compatible Inputs
VCC
20
OE2
19
18
17
16
15
14
13
12
11
20
1
SO鈥?0
DW SUFFIX
CASE 751
20
1
TSSOP鈥?0
DT SUFFIX
CASE 948E
EIAJ鈥?0
M SUFFIX
CASE 967
1
1
OE1
2
3
4
5
6
7
8
9
10
GND
20
Figure 1. Pinout: 20鈥揕ead Packages Conductors
(Top View)
TRUTH TABLE
Inputs
OE1
L
L
H
NOTE:
D
L
H
X
Outputs
(Pins 12, 14, 16, 18)
L
H
Z
ORDERING INFORMATION
Device
MC74AC244N
MC74ACT244N
MC74AC244DW
MC74AC244DWR2
MC74ACT244DW
MC74ACT244DWR2
MC74AC244DT
Package
PDIP鈥?0
PDIP鈥?0
SOIC鈥?0
SOIC鈥?0
SOIC鈥?0
SOIC鈥?0
TSSOP鈥?0
TSSOP鈥?0
TSSOP鈥?0
TSSOP鈥?0
EIAJ鈥?0
EIAJ鈥?0
EIAJ鈥?0
EIAJ鈥?0
Shipping
18 Units/Rail
18 Units/Rail
38 Units/Rail
1000 Tape & Reel
38 Units/Rail
1000 Tape & Reel
75 Units/Rail
2500 Tape & Reel
75 Units/Rail
2500 Tape & Reel
40 Units/Rail
2000 Tape & Reel
40 Units/Rail
2000 Tape & Reel
H = HIGH Voltage Level
L = LOW Voltage Level
X = Immaterial
Z = High Impedance
TRUTH TABLE
Inputs
OE2
L
L
H
NOTE:
D
L
H
X
Outputs
(Pins 3, 5, 7, 9)
L
H
Z
MC74AC244DTR2
MC74ACT244DT
MC74ACT244DTR2
MC74AC244M
MC74AC244MEL
MC74ACT244M
MC74ACT244MEL
H = HIGH Voltage Level
L = LOW Voltage Level
X = Immaterial
Z = High Impedance
DEVICE MARKING INFORMATION
See general marking information in the device marking
section on page 5 of this data sheet.
Semiconductor Components Industries, LLC, 2001
1
May, 2001 鈥?Rev. 5
Publication Order Number:
MC74AC244/D

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