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HY29F400A Datasheet, PDF (30/40 Pages) Hynix Semiconductor – 4 Megabit (512Kx8/256Kx16) 5 Volt-only Flash Memory
HY29F400A
AC CHARACTERISTICS
tRC
Addresses
VA
tCH
CE#
tACC
tCE
OE#
tOEH
tDF
WE#
tOE
tOH
DQ[7]
Complement
VA
Complement True
VA
Valid Data
DQ[6:0]
RY/BY#
tBUSY
Status Data
Status Data Data
Valid Data
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)
Addresses
CE#
OE#
WE#
DQ[6], [2]
RY/BY#
tRC
VA
tCH
tACC
tCE
tOEH
tOE
tBUSY
tDF
tOH
Valid Status
(first read)
VA
Valid Status
(second read)
VA
VA
Valid Status
(stops toggling)
Valid Data
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)
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Rev. 1.0/Jan. 02