AT29C256-90TC Atmel, AT29C256-90TC Datasheet - Page 13

• 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

25. Software Product Identification
Notes:
0046S–FLASH–2/07
Entry
1. Data Format: I/O7 - I/O0 (Hex);
2. A1 - A14 = V
3. The device does not remain in identification mode if
4. The device returns to standard operation mode.
5. Manufacturer Code is 1F. The Device Code is DC.
Address Format: A14 - A0 (Hex).
Manufacturer Code is read for A0 = V
Device Code is read for A0 = V
powered down.
(1)
ADDRESS 2AAA
LOAD DATA AA
ADDRESS 5555
ADDRESS 5555
LOAD DATA 55
LOAD DATA 90
PAUSE 10 mS
TO
TO
TO
IL
.
ENTER PRODUCT
IDENTIFICATION
MODE
(2)(3)(5)
IH
.
IL
;
26. Software Product Identification
Exit
(1)
ADDRESS 2AAA
LOAD DATA AA
ADDRESS 5555
ADDRESS 5555
LOAD DATA 55
LOAD DATA F0
PAUSE 10 mS
TO
TO
TO
EXIT PRODUCT
IDENTIFICATION
MODE
(4)
AT29C256
13