HY29F400 Hynix Semiconductor, HY29F400 Datasheet - Page 28

• Manufacturer Part Number: HY29F400
• Description: 4 Megabit (512Kx8/256Kx16) 5 Volt-only Flash Memory
• Manufacturer: Hynix Semiconductor

Addresses
HY29F400
AC CHARACTERISTICS
Notes:
1. PA = Program Address, PD = Program Data, D
2. Commands shown are for Word mode operation.
3. V
28
RY/BY#
CC
W E #
Data
O E #
C E #
shown only to illustrate t
V
C C
t
V C S
Program Command Sequence (last two cycles)
t
C S
0x555
t
t
W C
D S
t
t
G H W L
W P
0xA0
VCS
measurement references. It cannot occur as shown during a valid command sequence.
Figure 17. Program Operation Timings
t
W P H
t
t
D H
t
A S
C H
PA
t
OUT
B U S Y
t
A H
P D
is the true data at the program address.
t
W H W H 1
P A
Read Status Data (last two cycles)
Status
P A
D
O U T
t
R B
Rev. 5.2/May 01