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PI74FCT2244TS Datasheet

  • PI74FCT2244TS

  • Fast CMOS Octal Buffer/Line Drivers

  • 7頁

  • PERICOM   PERICOM

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PI74FCT244T/2244T
PI74FCT541T/2541T
Fast CMOS Octal Buffer/Line Drivers
Features
鈥?/div>
PI74FCT244/541T and PI74FCT2244/2541T are pin
compatible with bipolar Fast Series at a higher speed and
lower power consumption
鈥?/div>
25惟 series resistor on all outputs (FCT2XXX only)
鈥?/div>
TTL input and output levels
鈥?/div>
Low ground bounce outputs
鈥?/div>
Extremely low static power
鈥?/div>
Hysteresis on all inputs
鈥?/div>
Industrial operating temperature range: 鈥?0擄C to +85擄C
鈥?/div>
Packaging (Pb-free & Green available):
鈥?20-pin 173-mil wide plastic TSSOP (L)
鈥?20-pin 209-mil wide plastic SSOP (H)
鈥?20-pin 150-mil wide plastic QSOP (Q)
鈥?20-pin 150-mil wide plastic TQSOP (R)
鈥?20-pin 300-mil wide plastic SOIC (S)
鈥?/div>
Device models available upon request
Description
Pericom Semiconductor鈥檚 PI74FCT244T/541T and P174FCT2244/
2541T are 8-bit wide driver circuits, designed to be used in
applications requiring high-speed and high-output drive. Ideal
applications would include bus drivers, memory drivers, address
drivers, and system clock drivers.
The PI74FCT541 and 2541T provide similar driver capabilities,
but have their pins physically grouped by function. All inputs are
located on one side of the package, while outputs are on the opposite
side, allowing for a much simpler and denser board layout.
All PI74FCT2XXX devices have a built-in 25鈩?series resistor on
all outputs to reduce noise because of reflections, thus eliminating
the need for an external terminating resistor.
Block Diagrams
PI74FCT244/2244T
OE
A
OE
B
*
DA
0
OB
0
DA
1
OB
1
OA
0
DB
0
OA
1
DB
1
OA
2
DB
2
OA
3
DB
3
PI74FCT541/2541T
OE
A
OE
B
D
0
O
0
D
1
D
2
D
3
D
4
D
5
D
6
D
7
O
1
O
2
O
3
DA
2
OB
2
DA
3
OB
3
O
4
O
5
O
6
O
7
*
OE
B
for 244T,
1
PS2011C
09/22/04

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