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UPD445L

NEC
Part Number UPD445L
Manufacturer NEC
Description FULLY DECODED 4096 STATIC CMOS RAM
Published Feb 24, 2017
Detailed Description NEe Microcomputers, Inc. NEe fLPD445L fLPD445L·1 FULLY DECODED 4096 STATIC CMOS RAM DESCRIPTION The ~PD445L is a ver...
Datasheet PDF File UPD445L PDF File

UPD445L
UPD445L

Overview
NEe Microcomputers, Inc.
NEe fLPD445L fLPD445L·1 FULLY DECODED 4096 STATIC CMOS RAM DESCRIPTION The ~PD445L is a very low power 4,,096 bit (1024 words by 4 bits) static RAM fabricated with NEC's complementary MOS (CMOS) process, It has two chip enable inputs (CE1, CE2).
Minimum standby current is drawn when CE1 is at a high level, while inhibiting I I 'all address and control line transitions or, unconditionally when CE2 is at a low level.
This device ideally meets the low power requirements of battery operated systems and battery back-up systems for non-volatility of data.
The ~PD445L uses fully static circuitry requiring no clocking.
Output data is read out non-destructively by placing a high on the R/W pin and has the same polarity as input data.
All inputs and outputs are directly TTL compatible.
The device has common input/output data busses and an OD (Output Disable) pin for use in common I/O bus systems.
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The ~PD445L is guaranteed to retain data with the power supply vo...


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