AT29C512-90JI Atmel, AT29C512-90JI Datasheet - Page 10

• Manufacturer Part Number: AT29C512-90JI
• Description: IC FLASH 512KBIT 90NS 32PLCC
• Manufacturer: Atmel

Specifications of AT29C512-90JI

• Format - Memory: FLASH
• Memory Type: FLASH
• Memory Size: 512K (64K x 8)
• Speed: 90ns
• Interface: Parallel
• Voltage - Supply: 4.5 V ~ 5.5 V
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 32-PLCC
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Other names: AT29C51290JI

16. Program Cycle Characteristics
17. Program Cycle Waveforms
Notes:
10
Symbol
t
t
t
t
t
t
t
t
WC
AS
AH
DS
DH
WP
BLC
WPH
1. A7 through A15 must specify the sector address during each high-to-low transition of WE (or CE).
2. OE must be high when WE and CE are both low.
3. All bytes that are not loaded within the sector being programmed will be indeterminate.
AT29C512
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
A0-A6
A7-A5
(1)(2)(3)
Min
100
50
35
90
0
0
126
127
Max
150
10
0456i–FLASH–9/08
Units
ms
ns
ns
ns
ns
ns
µs
ns