AM29BDS640G SPANSION [SPANSION], AM29BDS640G Datasheet - Page 54

• Manufacturer Part Number: AM29BDS640G
• Description: 64 Megabit (4 M x 16-Bit) CMOS 1.8 Volt-only Simultaneous Read/Write, Burst Mode Flash Memory
• Manufacturer: SPANSION [SPANSION]

AC Characteristics
Note: Figure assumes 6 wait states for initial access, 40 MHz clock, and synchronous read. The Set Configuration Reg-
ister command sequence has been written with A18=0; device will output RDY one cycle before valid data.
52
DQ15-DQ0
A21-A0
AVD#
RDY
CE#
CLK
OE#
Hi-Z
t
t
AVDS
ACS
t
ACH
Aa
1
t
CES
t
AVD
Figure 15. Burst with RDY Set One Cycle Before Data
2
6 wait cycles for initial access shown.
t
IACC
3
t
ACC
t
4
OE
25 ns typ. (40 MHz)
Am29BDS640G
t
RACC
P r e l i m i n a r y
5
6
t
RDYS
D0
t
BDH
D1
t
BACC
D2
D3
25903C1 October 1, 2003
t
t
CEZ
OEZ
Da + n
Hi-Z
Hi-Z