- RS Stock No.:
- 177-1456
- Mfr. Part No.:
- AT28C256-15SU
- Brand:
- Microchip
- RS Stock No.:
- 177-1456
- Mfr. Part No.:
- AT28C256-15SU
- Brand:
- Microchip
Technical Reference
Legislation and Compliance
- COO (Country of Origin):
- TW
Product Details
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)
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)
Specifications
Attribute | Value |
---|---|
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 |
Data Retention | 10yr |
Maximum Operating Temperature | +85 °C |
Maximum Random Access Time | 150ns |
Number of Words | 32K |
Minimum Operating Temperature | -40 °C |