AT29C256-90TC Atmel, AT29C256-90TC Datasheet - Page 5

• Manufacturer Part Number: AT29C256-90TC
• Manufacturer: Atmel

Specifications of AT29C256-90TC

• Density: 256Kb
• Access Time (max): 90ns
• Interface Type: Parallel
• Boot Type: Not Required
• Address Bus: 15b
• Operating Supply Voltage (typ): 5V
• Operating Temp Range: 0C to 70C
• Package Type: TSOP-I
• Program/erase Volt (typ): 4.5 to 5.5V
• Sync/async: Asynchronous
• Operating Temperature Classification: Commercial
• Operating Supply Voltage (min): 4.5V
• Operating Supply Voltage (max): 5.5V
• Word Size: 8b
• Number Of Words: 32K
• Supply Current: 50mA
• Mounting: Surface Mount
• Pin Count: 28
• Lead Free Status / Rohs Status: Not Compliant

4.9
5. Absolute Maximum Ratings*
0046S–FLASH–2/07
Temperature Under Bias............................... -55° C to +125° C
Storage Temperature .................................... -65° C to +150° C
All Input Voltages (including NC Pins)
with Respect to Ground ...................................-0.6V to +6.25V
All Output Voltages
with Respect to Ground .............................-0.6V to V
Voltage on OE
with Respect to Ground ...................................-0.6V to +13.5V
Optional Chip Erase Mode
The entire device can be erased by using a six-byte software code. Please see Software Chip
Erase application note for details.
CC
+ 0.6V
*NOTICE:
Stresses beyond those listed under “Absolute
Maximum Ratings” may cause permanent dam-
age to the device. This is a stress rating only and
functional operation of the device at these or any
other conditions beyond those indicated in the
operational sections of this specification is not
implied. Exposure to absolute maximum rating
conditions for extended periods may affect
device reliability.
AT29C256
5