am29lv040b Meet Spansion Inc., am29lv040b Datasheet - Page 29

• Manufacturer Part Number: am29lv040b
• Description: 4 Mbit 512 K ? 8-bit
• Manufacturer: Meet Spansion Inc.

AC CHARACTERISTICS
Note: VA = Valid address. Illustration shows first status cycle after command sequence, last status read cycle, and array data
read cycle.
Note: VA = Valid address; not required for DQ6. Illustration shows first two status cycle after command sequence, last status read
cycle, and array data read cycle.
October 11, 2006 21354E4
Addresses
Addresses
DQ0–DQ6
DQ6/DQ2
DQ7
WE#
WE#
OE#
CE#
OE#
CE#
t
t
CH
CH
Figure 14. Data# Polling Timings (During Embedded Algorithms)
t
t
Figure 15. Toggle Bit Timings (During Embedded Algorithms)
OEH
OEH
High Z
t
t
ACC
ACC
t
t
CE
CE
t
VA
t
t
VA
t
RC
RC
OE
OE
Complement
Status Data
Valid Status
(first read)
D A T A
t
t
OH
OH
t
DF
t
DF
Am29LV040B
S H E E T
(second read)
Valid Status
VA
VA
Complement
Status Data
True
True
(stops toggling)
Valid Status
VA
VA
Valid Data
Valid Data
Valid Data
VA
High Z
High Z
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