74FR9244
器件描述:9-Bit Buffer/Line Driver with 3-STATE Outputs
文件大小:41.34KB,共5页
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器件资料摘要:
© 1999 Fairchild Semiconductor Corporation DS010913 www.fairchildsemi.com
April 1991
Revised August 1999
7
4FR9244 9-Bi
t Buff
er/
L
ine Dri
ver wit
h
3-
ST
A
T
E Output
s
74FR9244
9-Bit Buffer/Line Driver with 3-STATE Outputs
General Description
The 74FR9244 is a non-inverting 9-bit buffer and line driver
designed to be employed as memory and address driver,
clock driver and bus-oriented transmitter/receiver.
Features
a73 3-STATE outputs drive bus lines or buffer memory
address registers
a73 Outputs sink 64 mA and source 15 mA
a73 Guaranteed multiple output switching, 250 pf delays and
pin-to-pin skew
a73 Guaranteed 4000V minimum ESD protection
a73 9-Bit architecture for systems carrying parity
Ordering Code:
Devices also available in Tape and Reel. Specify by appending the suffix letter “X” to the ordering code.
Connection Diagram Pin Descriptions
Truth Table
H = HIGH Voltage Level
L = LOW Voltage Level
X = Immaterial
Z = High Impedance
Order Number Package Number Package Description
74FR9244SC M24B 24-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-013, 0.300 Wide
74FR9244SPC N24C 24-Lead Plastic Dual-In-Line Package (PDIP), JEDEC MS-100, 0.300 Wide
Pin Names Description
OE
1
,–OE
2
Output Enable Input (Active-LOW)
I
0
–I
8
Inputs
O
0
–O
8
Outputs
OE
1
OE
2
I
n
O
n
HXXZ
XH
LLHH
LL