AT29LV256-20TC Atmel, AT29LV256-20TC Datasheet - Page 10

• Manufacturer Part Number: AT29LV256-20TC
• Manufacturer: Atmel

Specifications of AT29LV256-20TC

• Cell Type: NOR
• Density: 256Kb
• Access Time (max): 200ns
• Interface Type: Parallel
• Boot Type: Not Required
• Address Bus: 15b
• Operating Supply Voltage (typ): 3/3.3V
• Operating Temp Range: 0C to 70C
• Package Type: TSOP-I
• Program/erase Volt (typ): 3 to 3.6V
• Sync/async: Asynchronous
• Operating Temperature Classification: Commercial
• Operating Supply Voltage (min): 3V
• Operating Supply Voltage (max): 3.6V
• Word Size: 8b
• Number Of Words: 32K
• Supply Current: 15mA
• Mounting: Surface Mount
• Pin Count: 28
• Lead Free Status / Rohs Status: Not Compliant

16. Program Cycle Characteristics
17. Software Protected Program Waveform
Notes:
10
Symbol
t
t
t
t
t
t
t
t
WC
AS
AH
DS
DH
WP
BLC
WPH
1. OE must be high when WE and CE are both low.
2. A6 through A14 must specify the sector address during each high-to-low transition of WE (or CE) after the software code
3. All bytes that are not loaded within the sector being programmed will be indeterminate.
AT29LV256
has been entered.
Parameter
Write Cycle Time
Address Set-up Time
Address Hold Time
Data Set-up Time
Data Hold Time
Write Pulse Width
Byte Load Cycle Time
Write Pulse Width High
(1)(2)(3)
Min
100
100
200
200
10
10
Max
150
20
0563E–FLASH–2/07
Units
ms
ns
ns
ns
ns
ns
µs
ns