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PDF PI74FCT3573 Data sheet ( Hoja de datos )
| Número de pieza | PI74FCT3573 | |
| Descripción | Fast CMOS 3.3V 8-Bit Transparent Latch | |
| Fabricantes | Pericom Semiconductor Corporation | |
| Logotipo |  |
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PI74FCT3573
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Fast CMOS 3.3V 8-Bit
Transparent Latch
Features
Description
• Advanced Low Power CMOS Operation
• Compatible with LVC class of products
• Compatible with industry standard octal pinouts
• Excellent output drive capability:
Balanced drives (24 mA sink and source)
www.DataS•heCeta4nU.sceormve as a 5V to 3V translator
• Inputs can be driven by 3.3V or 5V devices
• Low ground bounce outputs
Pericom Semiconductor’s PI74FCT3 series of logic circuits are
produced in the Company’s advanced 0.6 micron CMOS technology,
achieving industry leading speed grades.
The PI74FCT3573 is an 8-bit transparent latch designed with
3-state outputs and is intended for bus oriented applications. When
Latch Enable (LE) is HIGH, the flip-flops appear transparent to
the data. The data that meets the set-up time when LE is LOW is
latched. When OE is HIGH, the bus output is in the high impedance
state.
• Hysteresis on all inputs
• Industrial operating temperature range: –40°C to +85°C
• Packages available:
– 20-pin 173 mil wide plastic TSSOP (L20)
– 20-pin 150 mil wide plastic QSOP (Q20)
– 20-pin 150 mil wide plastic TQSOP (R20)
– 20-pin 300 mil wide plastic SOIC (S20)
The PI74FCT3573 can be driven from either 3.3V or 5.0V devices
allowing this device to be used as a translator in a mixed
3.3/5.0V system.
Logic Block Diagram
Pinout
OE
LE
D0 D
O
G
TO 7 OTHER CHANNELS
Truth Table
Inputs(1)
DN LE
HH
LH
XX
Note:
1. H = High Voltage Level
X = Don’t Care
L = Low Voltage Level
Z = High Impedance
OE
L
L
H
OE 1
20 Vcc
D0 2
19 O0
D1 3
18 O1
D2 4 20-Pin 17 O2
D3 5
L20 16 O3
R20
O0 D4 6 Q20 15 O4
D5 7 S20 14 O5
D6 8
13 O6
D7 9
12 O7
GND 10
11 LE
Outputs(1)
ON
H
L
Z
Pin Description
Pin Name
OE
LE
D7-D0
O7-O0
GND
VCC
Description
Output Enable Input (Active LOW)
Latch Enable Input (Active HIGH)
Data Inputs
3-State Outputs
Ground
Power
1 PS8121A 07/21/97
1 page | ||
| Páginas | Total 4 Páginas | |
| PDF Descargar | [ Datasheet PI74FCT3573.PDF ] | |
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