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PDF PI74FCT2151T Data sheet ( Hoja de datos )
| Número de pieza | PI74FCT2151T | |
| Descripción | Fast CMOS 8-input Multiplexer | |
| Fabricantes | Pericom Semiconductor Corporation | |
| Logotipo |  |
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PI74FCT151/2151/251T
PPII7744FFCCTT125511TTww1w2.3D45a6ta7S89h0e1e2t344U56.c7o8m9012345678901212345678901234567890123456789012123456789012345678901234567890121234567889-0I1N23P45U678T90M123U456L78T90I1P21L23E45X67E89R012
(25Ω Series) PI74FCT2151T1122334455667788990011223344556677889900112233445566778899001122112233445566778899001122334455667788990011223344556677889900112211223344556677889900112233445566778899001122334455667788990011221122334455667788990011223344556677889900112233445566778899001122112233445566778899001122
Fast CMOS 8-Input Multiplexer
Product Features:
• PI74FCT151/251/2151T is 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
• Extremely low static power
• Hysteresis on all inputs
• Industrial operating temperature range: –40°C to +85°C
• Packages available:
– 16-pin 150-mil wide plastic QSOP (Q)
– 16-pin 300-mil wide plastic SOIC (S)
– 16-pin 150-mil wide plastic SOIC (W)
Product Description:
Pericom Semiconductor’s PI74FCT series of logic circuits are pro-
duced in the Company’s advanced 0.8 micron CMOS technology,
achieving industry leading speed grades.
The PI74FCT151T, PI74FCT251T, and PI74FCT2151T are high-
speed 8-input multiplexers. They select one bit from a source of
eight under the control of three select inputs. Both assertion and
negation outputs are provided.
The PI74FCT151/2151T has a common, active-LOW, Enable
input (E). When E is LOW, data from one of eight inputs is directed
to the complementary outputs based on the 3-bit code applied to the
Select (S0-S2) inputs. The PI74FCT151/2151T can be used as a
data routing device from one of eight sources.
The PI74FCT251T has a common Active-LOW Output Enable
(OE) input. When OE is LOW, data from one of eight inputs is
directed to the complementary outputs. When OE is HIGH, both
outputs are switched to a high-impedance state allowing multiplexer
expansion by tying several outputs together.
Logic Block Diagram
I7
I6
I5
Z
I4
Z
I3
I2
I1
I0
FCT251 Only
S2 S1 S0 E for 151
OE for 251
1
PS2028A 03/11/96
1 page  
PI74FCT151/2151/251T
ww1w2.3D45a6ta7S89h0e1e2t344U56.c7o8m9012345678901212345678901234567890123456789012123456789012345678901234567890121234567889-0I1N23P45U678T90M123U456L78T90I1P21L23E45X67E89R012
PI74FCT151/2151T Switching Characteristics over Operating Range
Parameters Description
Conditions(1)
151T/2151T
Com.
Min Max
151AT/2151AT
Com.
Min Max
tPLH Propagation Delay
tPHL Sn to Z
tPLH Propagation Delay
tPHL Sn to Z
tPLH Propagation Delay
tPHL E to Z
tPLH Propagation Delay
tPHL E to Z
tPLH Propagation Delay
tPHL In to Z
tPLH Propagation Delay
tPHL In to Z
CL = 50 pF
RL = 500Ω
1.5 9.0 1.5 6.6
1.5 10.5 1.5
6.8
1.5 7.0 1.5 5.6
1.5 9.5 1.5 5.8
1.5 6.5 1.5 5.2
1.5 7.5 1.5 5.5
151CT/2151CT
Com.
Min Max
Unit
1.5 5.6 ns
1.5 5.8 ns
1.5 4.8 ns
1.5 5.0 ns
1.5 4.4 ns
1.5 4.7 ns
PI74FCT251T Switching Characteristics over Operating Range
Parameters
tPLH
tPHL
tPLH
tPHL
tPLH
tPHL
tPLH
tPHL
tPZH
tPZL
tPHZ
tPLZ
tPZH
tPZL
tPHZ
tPLZ
Description
Propagation Delay
Sn to Z
Propagation Delay
Sn to Z
Propagation Delay
In to Z
Propagation Delay
In to Z
Output Enable Time
OE to Z
Output Disable Time(3)
OE to Z
Output Enable Time
OE to Z
Output Disable Time(3)
OE to Z
Conditions(1)
CL = 50 pF
RL = 500Ω
251T
Com.
Min Max
1.5 9.0
1.5 11.0
1.5 7.0
1.5 7.0
1.5 9.0
1.5 7.5
1.5 9.0
1.5 7.0
251AT
Com.
Min Max
1.5 6.6
1.5 6.8
1.5 5.2
1.5 5.5
1.5 6.7
1.5 6.0
1.5 6.7
1.5 6.0
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.
251CT
Com.
Min Max
1.5 5.6
Unit
ns
1.5 5.8 ns
1.5 4.4 ns
1.5 4.7 ns
1.5 5.7 ns
1.5 5.0 ns
1.5 5.7 ns
1.5 5.0 ns
Pericom Semiconductor Corporation
2380 Bering Drive • San Jose, CA 95131 • 1-800-435-2336 • Fax (408) 435-1100 • http://www.pericom.com
5 PS2028A 03/11/96
5 Page | ||
| Páginas | Total 5 Páginas | |
| PDF Descargar | [ Datasheet PI74FCT2151T.PDF ] | |
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