Microchip AT28BV256-20TU, 256kbit Parallel EEPROM Memory, 200ns 28-Pin TSOP Parallel

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RS Stock No.:
177-3390
Mfr. Part No.:
AT28BV256-20TU
Brand:
Microchip
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Brand

Microchip

Memory Size

256kbit

Interface Type

Parallel

Package Type

TSOP

Mounting Type

Surface Mount

Pin Count

28

Organisation

32Kbit x 8

Minimum Operating Supply Voltage

2.7 V

Maximum Operating Supply Voltage

3.6 V

Programming Voltage

2.7 → 3.6V

Number of Bits per Word

8bit

Dimensions

8.1 x 11.9 x 1.05mm

Maximum Random Access Time

200ns

Maximum Operating Temperature

+85 °C

Data Retention

10yr

Minimum Operating Temperature

-40 °C

COO (Country of Origin):
TW
The Microchip AT28BV256 is a high-performance 256Kbit Parallel EEPROM offering access times to 200ns with 54mW power dissipation and 2.7V supply voltage. Deselected, CMOS standby current is less than 20μA.

32 Kbits x 8 (256 Kbit)
2.7V to 3.6V Supply
Parallel Interface
200ns 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 15 mA (Max)
Standby current 20 μA (Typ), 50 μA (Max)
Write-Protection
Hardware Protection
Software Data Protect
More than 100,000 erase/write cycles
Data retention > 10 years
Temperature Ranges
Standard Temperature Range: -40°C to 85°C
Available in Green (Pb/Halide-free) Packaging Only
32-lead, Plastic J-leaded Chip Carrier (PLCC)
28-lead, 0.300" Wide, Plastic Gull Wing Small Outline (SOIC)
28-lead, Plastic Thin Small Outline Package (TSOP)