HY29F800
AC CHARACTERISTICS
tRC
VA
Addresses
VA
VA
tACC
tCH
CE#
tCE
OE#
tDF
tOEH
WE#
tOE
tOH
Complement
Status Data
Complement
True
Valid Data
DQ[7]
DQ[6:0]
RY/BY#
Status Data
Data
Valid Data
tBUSY
Notes:
1. VA = Valid Address for reading Data# Polling status data (see Write Operation Status section).
2. Illustration shows first status cycle after command sequence, last status read cycle and array data read cycle.
Figure 19. Data# Polling Timings (During Automatic Algorithms)
tRC
Addresses
CE#
VA
VA
VA
VA
tACC
tCH
tCE
OE#
tDF
tOEH
WE#
tOE
tOH
Valid Status
(first read)
Valid Status
(second read)
Valid Status
Valid Data
DQ[6], [2]
(stops toggling)
tBUSY
RY/BY#
Notes:
1. VA = Valid Address for reading Toggle Bits (DQ2, DQ6) status data (see Write Operation Status section).
2. Illustration shows first two status read cycles after command sequence, last status read cycle and array data read cycle.
Figure 20. Toggle Polling Timings (During Automatic Algorithms)
Rev. 4.0/Jan. 00
30
ETC [ ETC ]
