am49bds640ah Meet Spansion Inc., am49bds640ah Datasheet - Page 8

• Manufacturer Part Number: am49bds640ah
• Description: Stacked Multichip Package Mcp , Flash Memory And Psram Cmos 1.8 Volt-only Simultaneous Read/write, Burst Mode 64 Megabit 4m ? 16-bit Flash Memory, And 16 Mbit 1m ? 16-bit Psram
• Manufacturer: Meet Spansion Inc.

PRODUCT SELECTOR GUIDE
Note: Speed Options ending in “8” indicate the “reduced wait-state handshaking” option, which speeds initial
synchronous accesses for even addresses.
Speed Options ending in “9” indicate the “standard handshaking” option.
See the AC Characteristics section of this datasheet for full specifications.
6
Part Number
Burst Frequency
Speed Option
Max Initial Synchronous Access Time, ns (T
Reduced Wait-state Handshaking; Even Address
Max Initial Synchronous Access Time, ns (T
Reduced Wait-state Handshaking; Odd Address; or Standard Handshaking
Max Burst Access Time, ns (T
Max Asynchronous Access Time, ns (T
Max CE# Access Time, ns (T
Max OE# Access Time, ns (T
Max Access Time, ns (T
Max CE# Access Time, ns (T
Max OE# Access Time, ns (T
ACC
) at 1.7 V V
CE
OE
CE
OE
A D V A N C E
BACC
)
) at 1.7 V V
)
) at 1.7 V V
)
ACC
CC
)
CC
CC
IACC
IACC
Am49BDS640AH
)
)
I N F O R M A T I O N
V
CC
, V
IO
= 1.65
–
1.95 V
66 MHz
E8, E9
Am49BDS640AH
December 5, 2003
56
71
11
50
11
80
80
20
54 MHz
D8, D9
87.5
13.5
13.5
69
55
80
80
20