HD74AC244/HD74ACT244
Octal Buffer/Line Driver with 3-State Output
REJ03D0262–0200Z
(Previous ADE-205-383 (Z))
Rev.2.00
Jul.16.2004
Description
The HD74AC244/HD74ACT244 is an octal buffer and line driver designed to be employed as a memory address driver,
clock driver and bus-oriented transmitter/receive which provides improved PC board density.
Features
•
3-State Outputs Drive Bus Lines or Buffer Memory Address Registers
•
Outputs Source/Sink 24 mA
•
HD74ACT244 has TTL-Compatible Inputs
•
Ordering Information: Ex. HD74AC244
Part Name
HD74AC244P
HD74AC244FPEL
HD74AC244RPEL
HD74AC244TELL
Package Type
DIP-20 pin
SOP-20 pin (JEITA)
TSSOP-20 pin
Package Code Package Abbreviation Taping Abbreviation (Quantity)
DP-20N, -20NEV P
FP-20DAV
TTP-20DAV
FP
RP
T
—
EL (2,000 pcs/reel)
EL (1,000 pcs/reel)
ELL (2,000 pcs/reel)
SOP-20 pin (JEDEC) FP-20DBV
Notes: 1. Please consult the sales office for the above package availability.
2. The packages with lead-free pins are distinguished from the conventional products by adding V at the end of
the package code.
Pin Arrangement
OE1
1
1A
1
2
2Y
4
3
1A
2
4
2Y
3
5
1A
3
6
2Y
2
7
1A
4
8
2Y
1
9
GND 10
(Top view)
20 V
CC
19
OE2
18 1Y
1
17 2A
4
16 1Y
2
15 2A
3
14 1Y
3
13 2A
2
12 1Y
4
11 2A
1
Rev.2.00, Jul.16.2004, page 1 of 8
RENESAS [ RENESAS TECHNOLOGY CORP ]
