MC74AC244 Datasheet, PDF (1/8 Pages) Motorola, Inc – OCTAL BUFFER/LINE DRIVER WITH 3-STATE OUTPUTS

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
VCC OE2
20 19 18 17 16 15 14 13 12 11
1 2 3 4 5 6 7 8 9 10
OE1
GND
Figure 1. Pinout: 20–Lead Packages Conductors
(Top View)
TRUTH TABLE
Inputs
Outputs
OE1 D
L
L
LH
HX
(Pins 12, 14, 16, 18)
L
H
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
LH
H
HX
Z
NOTE:
H = HIGH Voltage Level
L = LOW Voltage Level
X = Immaterial
Z = High Impedance
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
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
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 – Rev. 5
Publication Order Number:
MC74AC244/D