D A T A S H E E T
AC CHARACTERISTICS
tRC
VA
Addresses
VA
VA
tACC
tCE
CE#
tCH
tOE
OE#
WE#
tOEH
tDF
tOH
High Z
High Z
DQ7
Valid Data
Complement
Complement
Status Data
True
DQ0–DQ6
Valid Data
Status Data
True
tBUSY
RY/BY#
Note:
VA = Valid address. Illustration shows first status cycle after command sequence, last status read cycle, and array data read cycle.
Figure 15. Data# Polling Timings (During Embedded Algorithms)
tRC
Addresses
CE#
VA
tACC
tCE
VA
VA
VA
tCH
tOE
OE#
WE#
tOEH
tDF
tOH
High Z
DQ6/DQ2
Valid Status
(first read)
Valid Status
Valid Status
Valid Data
(second read)
(stops toggling)
tBUSY
RY/BY#
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.
Figure 16. Toggle Bit Timings (During Embedded Algorithms)
32
Am29F400B
21505E8 November 11, 2009
CYPRESS [ CYPRESS ]
