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PDF PI74FCT2541T Data sheet ( Hoja de datos )
| Número de pieza | PI74FCT2541T | |
| Descripción | (PI74FCTxxxT) Fast CMOS Octal Buffer/Line Drivers | |
| Fabricantes | Pericom Semiconductor Corporation | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de PI74FCT2541T (archivo pdf) en la parte inferior de esta página. Total 6 Páginas | ||
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PI74FCT240T/241T/
244T/540T/541T (25 ohmSeries)
PI74FCT2240T/2241T/2244T/2541T
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Fast CMOS Octal
Buffer/Line Drivers
Product Features
• PI74FCT240/241/244/540/541TandPI74FCT2240/2241/2244/
2541T are pin compatible with bipolar FAST™ Series at a
higher speed and lower power consumption
25Ω series resistor on all outputs (FCT2XXX only)
• TTL input and output levels
www.DataS•heLeto4wU.cgormound bounce outputs
• Extremely low static power
• Hysteresis on all inputs
• Industrial operating temperature range: 40°C to +85°C
Packages available:
– 20-pin 173 mil wide plastic TSSOP (L)
– 20-pin 209 mil wide plastic SSOP (H)
– 20-pin 300 mil wide plastic DIP (P)
– 20-pin 150 mil wide plastic QSOP (Q)
– 20-pin 150 mil wide plastic TQSOP (R)
– 20-pin 300 mil wide plastic SOIC (S)
• Device models available upon request
Product Description
Pericom Semiconductor’s PI74FCT series of logic circuits are
produced in the Company’s advanced 0.6/0.8 micron CMOS
technology, achieving industry leading speed grades. All
PI74FCT2XXX devices have a built-in 25 ohm series resistor on
all outputs to reduce noise because of reflections, thus eliminating
the need for an external terminating resistor.
The PI74FCT240T/241T/244T/540T/541T and P174FCT2240T/
2241T/2244/2541T 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 PI74FCT540T and PI74FCT541/2541T 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.
Logic Block Diagrams
PI74FCT240/2240T
OEA
OEB
PI74FCT241/2241T
PI74FCT244/2244T
OEA
241 Only
OEB*
PI74FCT540T
PI74FCT541/2541T
OEA
OEB
DA0
OA0
DA0
D0
OA0
O0
OB0
DB0
OB0
DB0
D1
O1
DA1
OA1
DA1
D2
OA1
O2
OB1
DB1
OB1
DB1 D3
O3
DA2
OA2
DA2
OA2 D4
O4
OB2
DB2
OB2
DB2 D5
O5
DA3
OA3
DA3
OA3 D6
O6
OB3
DB3
OB3
DB3 D7
O7
*OEB for 241T, *OEB for 244T,
1
*Logic diagram shown for 540T.
541/2541T is the non-inverting option.
PS2011B 12/11/00
1 page  
PI74FCT240T/241T/244T/540T/541T (25 ohm Series)
PI74FCT2240T/2241T/2244T/2541T
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PI74FCT240/2240T Switching Characteristics over Operating Range
Parameters Description
Conditions(1)
240T/2240T
Com.
Min Max
240AT/2240AT 240CT/2240CT
Com.
Com.
Min Max Min Max
240DT
Com.
Min Max Units
tPLH
tPHL
tPZH
tPZL
tPHZ
www.DataSheett4PULZ.com
Propagation Delay
DN to ON
Output Enable Time
OEX to ON
Output Disable Time(3)
OEX to ON
CL = 50pF
RL = 500Ω
1.5 8.0 1.5 4.8 1.5 4.3 1.5 3.6 ns
1.5 10.0 1.5 6.2 1.5 5.8 1.5 4.8 ns
1.5 9.5 1.5 5.6 1.5 5.2 1.5 4.0 ns
PI74FCT241/2241T Switching Characteristics over Operating Range
Parameters Description
Conditions(1)
241T/2241T 241AT/2241AT 241CT/2241CT 241DT
Com.
Com.
Com.
Com.
Min Max Min Max Min Max Min Max Units
tPLH Propagation Delay
CL = 50pF
1.5 6.5 1.5 4.8 1.5 4.1 1.5 3.6 ns
tPHL DN to ON
RL = 500Ω
tPZH Output Enable Time
1.5 8.0 1.5 6.2 1.5 5.8 1.5 4.8 ns
tPZL OEA/OEB to ON
tPHZ Output Disable Time(3)
1.5 7.0 1.5 5.6 1.5 5.2 1.5 4.0 ns
tPLZ OEA/OEB to ON
PI74FCT244/2244T Switching Characteristics over Operating Range
Parameters Description
Units
Conditions(1)
tPLH Propagation Delay
CL = 50pF
tPHL DN to ON
RL = 500Ω
tPZH Output Enable Time
tPZL OEX to ON
tPHZ Output Disable Time(3)
tPLZ OEX to ON
244T/2244T 244AT/2244AT 244CT/2244CT 244DT
Com.
Com.
Com.
Com.
Min Max Min Max Min Max Min Max
1.5 6.5 1.5 4.8 1.5 4.1 1.5 3.6 ns
1.5 8.0 1.5 6.2 1.5 5.8 1.5 4.8 ns
1.5 7.0 1.5 5.6 1.5 5.2 1.5 4.0 ns
Notes:
1. See test circuit and wave forms.
2. Minimum limits are guaranteed but not tested on Propagation Delays.
3. This parameter is guaranteed but not production tested.
5 PS2011B 12/11/00
5 Page | ||
| Páginas | Total 6 Páginas | |
| PDF Descargar | [ Datasheet PI74FCT2541T.PDF ] | |
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