AM29BDS640G SPANSION [SPANSION], AM29BDS640G Datasheet - Page 52

• 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
Notes:
1. Figure shows total number of wait states set to four cycles. The total number of wait states can be programmed from
2. If any burst address occurs at a 64-word boundary, one additional clock cycle is inserted, and is indicated by RDY.
3. The device is in synchronous mode.
4. In the Burst Mode Configuration Register, A17 = 0.
50
two cycles to seven cycles. Clock is set for active falling edge.
DQ15-DQ0
A21-A0
AVD#
OE#
CE#
RDY
CLK
t
Hi-Z
ACS
t
AVC
t
ACH
Aa
Figure 12. CLK Synchronous Burst Mode Read
1
t
CES
t
AVD
2
4 cycles for initial access shown.
(Falling Active Clock)
t
OE
t
ACC
Am29BDS640G
t
IACC
3
P r e l i m i n a r y
t
RACC
4
t
RDYS
Da
5
t
BDH
Da + 1
t
BACC
t
t
CEZ
Da + n
OEZ
25903C1 October 1, 2003
Hi-Z
Hi-Z