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P4C148 Datasheet PDF - Performance Semiconductor

P4C148 image

Part Name
P4C148

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MFG CO.
Performance-Semiconductor
Performance Semiconductor Performance-Semiconductor

DESCRIPTION
The P4C148 and P4C149 are 4,096-bit ultra high-speed static RAMs organized as 1K x 4. Both devices have common input/output ports. The P4C148 enters the standby mode when the chip enable (CE) goes HIGH; with CMOS input levels, power consumption is extremely low in this mode. The P4C149 features a fast chip select capability using CS. The CMOS memories require no clocks or refreshing, and have equal access and cycle times. Inputs are fully TTL-compatible. The RAMs operate from a single 5V ± 10% tolerance power supply.


FEATURES
■ Full CMOS, 6T Cell
■ High Speed (Equal Access and Cycle Times)
   - 10/12/15/20/25 ns (Commercial)
   - 15/20/25/35 ns (P4C148 Military)
■ Low Power Operation
   - 715 mW Active –10 (Commecial)
   - 550 mW Active –25 (Commercial)
   - 110 mW Standby (TTL Input) P4C148
   - 55 mW Standby (CMOS Input) P4C148
■ Single 5V ± 10% Power Supply
■ Two Options
   - P4C148 Low Power Standby Mode
   - P4C149 Fast Chip Select Control
■ Common Input/Output Ports
■ Three-State Outputs
■ Fully TTL Compatible Inputs and Outputs
■ Standard Pinout (JEDEC Approved)
   – 18 Pin 300 mil DIP


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