am42bds6408h Meet Spansion Inc., am42bds6408h Datasheet - Page 56

• Manufacturer Part Number: am42bds6408h
• Description: Cmos 1.8 Volt-only Simultaneous Read/write, Burst Mode Flash Memory, And 8 Mbit 512 K X 16-bit Sram
• Manufacturer: Meet Spansion Inc.

AC CHARACTERISTICS
Notes:
1. Figure shows total number of wait states set to seven cycles. The total number of wait states can be programmed from two
2. If any burst address occurs at a 64-word boundary, two additional clock cycle are inserted, and is indicated by RDY.
3. The device is in synchronous mode.
Notes:
1. Figure shows total number of wait states set to four cycles. The total number of wait states can be programmed from two
2. If any burst address occurs at a 64-word boundary, two additional clock cycle are inserted, and is indicated by RDY.
3. The device is in synchronous mode.
54
cycles to seven cycles.
cycles to seven cycles. Clock is set for active falling edge.
Addresses
Addresses
AVD#
AVD#
Data
Data
OE#
RDY
RDY
CE#
CLK
CE#
CLK
OE#
t
Hi-Z
t
AVC
ACS
t
t
AVC
Hi-Z
ACS
Figure 14. CLK Synchronous Burst Mode Read (Falling Active Clock)
Figure 13. CLK Synchronous Burst Mode Read (rising active CLK)
t
CR
t
CR
t
ACH
Aa
1
t
t
CES
ACH
Aa
1
t
AVD
t
A D V A N C E
CES
2
t
AVD
t
OE
2
4 cycles for initial access shown.
3
t
t
ACC
OE
7 cycles for initial access shown.
t
t
ACC
IACC
Am42BDS6408H
t
IACC
3
4
I N F O R M A T I O N
t
RACC
5
4
Da
6
5
t
BDH
t
RACC
t
RDYS
Da + 1
7
t
Da
BACC
t
BDH
t
RDYS
Da + 1
t
t
CEZ
t
OEZ
Da + n
BACC
t
Da + n
t
CEZ
OEZ
October 23, 2003
Hi-Z
Hi-Z
Hi-Z
Hi-Z