AM49BDS640AHD8I SPANSION [SPANSION], AM49BDS640AHD8I Datasheet - Page 82

• Manufacturer Part Number: AM49BDS640AHD8I
• Description: Stacked Multichip Package (MCP), Flash Memory and pSRAM CMOS 1.8 Volt-only Simultaneous Read/Write
• Manufacturer: SPANSION [SPANSION]

PSRAM AC CHARACTERISTICS
80
LB#, UB#
WE#
Data Out
Address
CE1#s
Data In
Figure 50. Timing Waveform of Write Cycle (CE1#s Control, CE2s = High)
A D V A N C E
t
AS
Am49BDS640AH
t
WHZ
I N F O R M A T I O N
t
LBW
t
AW
t
, t
CW
t
WC
UBW
t
WP
t
DW
Data Valid
High-Z
t
WR
t
DH
t
CP
December 5, 2003