- RS Stock No.:
- 177-3611
- Mfr. Part No.:
- AT28BV256-20TU
- Manufacturer:
- Microchip
Discontinued product
- RS Stock No.:
- 177-3611
- Mfr. Part No.:
- AT28BV256-20TU
- Manufacturer:
- Microchip
Technical data sheets
Legislation and Compliance
- COO (Country of Origin):
- TW
Product Details
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)
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)
Specifications
Attribute | Value |
---|---|
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 |
Minimum Operating Temperature | -40 °C |
Data Retention | 10yr |
Maximum Random Access Time | 200ns |
Maximum Operating Temperature | +85 °C |