at28lv256 ATMEL Corporation, at28lv256 Datasheet - Page 8

• Manufacturer Part Number: at28lv256
• Description: 256k 32k X 8 Low Voltage Cmos E2 Prom
• Manufacturer: ATMEL Corporation

Notes: 1. Toggling either OE or CE or both OE and CE will
Data Polling Characteristics
Notes: 1. These parameters are characterized and not 100% tested.
Data Polling Waveforms
Toggle Bit Characteristics
Notes: 1. These parameters are characterized and not 100% tested.
Toggle Bit Waveforms
2-152
Symbol
t
t
t
t
Symbol
t
t
t
t
t
DH
OEH
OE
WR
DH
OEH
OE
OEHP
WR
2. Beginning and ending state of I/O6 will vary.
operate toggle bit.
Parameter
Data Hold Time
OE Hold Time
OE to Output Delay
Write Recovery Time
Parameter
Data Hold Time
OE Hold Time
OE to Output Delay
OE High Pulse
Write Recovery Time
AT28LV256
(2)
(2)
(1)
(1)
Min
150
10
10
0
Min
0
0
0
2. See AC Read Characteristics.
3. Any address location may be used but the
2. See AC Read Characteristics.
address should not vary.
Typ
Typ
Max
Max
Units
Units
ns
ns
ns
ns
ns
ns
ns
ns
ns