AT49BV-LV040 Datasheet, PDF (9/13 Pages) ATMEL Corporation – 4-megabit (512K x 8) Single 2.7-volt Battery-Voltage Flash Memory

Data Polling Characteristics⁽¹⁾
Symbol Parameter
t_DH
t_OEH
t_OE
t_WR
Notes:
Data Hold Time
OE Hold Time
OE to Output Delay⁽²⁾
Write Recovery Time
1. These parameters are characterized and not 100% tested.
2. See t_OE spec in “AC Read Characteristics” on page 6.
Data Polling Waveforms
AT49BV/LV040
Min
Typ
Max
Units
0
ns
10
ns
ns
0
ns
Toggle Bit Characteristics⁽¹⁾
Symbol Parameter
t_DH
t_OEH
t_OE
t_OEHP
t_WR
Notes:
Data Hold Time
OE Hold Time
OE to Output Delay⁽²⁾
OE High Pulse
Write Recovery Time
1. These parameters are characterized and not 100% tested.
2. See t_OE spec in “AC Read Characteristics” on page 6.
Toggle Bit Waveforms^(1)(2)(3)
Min
Typ
Max
Units
0
ns
10
ns
ns
150
ns
0
ns
Notes:
1. Toggling either OE or CE or both OE and CE will operate toggle bit. The t_OEHP specification must be met by the toggling
input(s).
2. Beginning and ending state of I/O6 will vary.
3. Any address location may be used but the address should not vary.
9