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PerkinElmer Optoelectronics - Fast CMOS 3.3V 16-BitTransparent Latch

Numéro de référence P174LPTI6373
Description Fast CMOS 3.3V 16-BitTransparent Latch
Fabricant PerkinElmer Optoelectronics 
Logo PerkinElmer Optoelectronics 





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P174LPTI6373 fiche technique
PI74LPT16373
Fast CMOS 3.3V 16-Bit
Transparent Latch
Features
• Compatible with LCXand LVTfamilies of products
• Supports 5V Tolerant Mixed Signal Mode Operation
– Input can be 3V or 5V
– Output can be 3V or connected to 5V bus
• Advanced Low Power CMOS Operation
• Excellent output drive capability:
Balanced drives (24 mA sink and source)
• Pin compatible with industry standard double-density pinouts
• Low ground bounce outputs
• Hysteresis on all inputs
• Industrial operating temperature range: –40°C to +85°C
• Multiple center pins and distributed Vcc/GND pins minimize
switching noise
• Packaging:
– 48-pin 240-mil wide thin plastic TSSOP (A)
– 48-pin 300-mil wide plastic SSOP (V)
Description
Pericom Semiconductor’s PI74LPT16373 is a 16-bit transparent
latch designed with 3-state outputs and are intended for bus oriented
applications. The Output Enable and Latch Enable controls are
organized to operate as two 8-bit latches or one 16-bit latch. 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.
The PI74LPT16373 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.
Block Diagram
1OE
1LE
1D0
D
C
2OE
2LE
2D0
1O0
D
C
2O0
TO 7 OTHER CHANNELS
TO 7 OTHER CHANNELS
1 PS2069C 10/05/04

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