AM49BDS640AHD8I SPANSION [SPANSION], AM49BDS640AHD8I Datasheet - Page 81

• 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
December 5, 2003
WE#
Data In
CE1#s
CE2s
LB#, UB#
Data Out
Address
High-Z
Figure 49. Timing Waveform of Write Cycle (WE# Control
t
t
SK
SK
t
SK
A D V A N C E
t
AS
t
t
LBW
WHZ
Am49BDS640AH
, t
I N F O R M A T I O N
UBW
t
CW
t
AW
t
WC
t
WP
t
DW
Data Valid
High-Z
t
WR
t
t
DH
OW
t
CP
t
t
CP
CP
79