Microchip AT28C256-15SU, 256kbit Parallel EEPROM Memory, 150ns 28-Pin SOIC Parallel

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Packaging Options:
RS Stock No.:
177-1681
Mfr. Part No.:
AT28C256-15SU
Brand:
Microchip
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Brand

Microchip

Memory Size

256kbit

Interface Type

Parallel

Package Type

SOIC

Mounting Type

Surface Mount

Pin Count

28

Organisation

32K x 8 bit

Minimum Operating Supply Voltage

4.5 V

Maximum Operating Supply Voltage

5.5 V

Programming Voltage

4.5 → 5.5V

Number of Bits per Word

8bit

Dimensions

18.1 x 7.6 x 2.35mm

Minimum Operating Temperature

-40 °C

Number of Words

32K

Data Retention

10yr

Maximum Operating Temperature

+85 °C

Maximum Random Access Time

150ns

COO (Country of Origin):
TW
The Microchip AT28C256 is a high-performance 256Kbit Parallel EEPROM available in both Industrial and Military temp ranges, offering access times to 150ns with power dissipation of 440mW. Deselected, CMOS standby current is less than 200μA.

Additional Features:
32 Kbits x 8 (256 Kbit)
5V ± 10% Supply
Parallel Interface
150ns access time
self-Timed Erase and Write Cycles (10 ms max)
Page Write and Byte Write
Data Polling for end of write detection
Low Power Consumption:
Read / Write current 40 mA (Max)
Standby current TTL 2 mA (Max), CMOS 200 μA (Max)

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