am49pdl129bh85it Meet Spansion Inc., am49pdl129bh85it Datasheet - Page 81

• Manufacturer Part Number: am49pdl129bh85it
• Description: Stacked Multi-chip Package Mcp Flash Memory And Psram, 128 Megabit 8m ? 16-bit Cmos 3.0 Volt-only, Simultaneous Operation Flash Memory And 32 Mbit 2m ? 16-bit Cmos Pseudo Static Ram With Page Mode
• Manufacturer: Meet Spansion Inc.

pSRAM AC CHARACTERISTICS
Notes:
1. If the device is using the I/Os to output data, input signals of reverse polarity must not be applied.
2. If OE# is high during the write cycle, the outputs will remain at high impedance.
December 16, 2003
DQ15 to DQ0
DQ15 to DQ0
Addresses
A20 to A0
UB#, LB#
CE#1
D
WE#
CE2
OUT
D
IN
t
CH
t
AS
High-Z
A D V A N C E
Figure 31. Pseudo SRAM Write Cycle—
Am49PDL127BH/Am49PDL129BH
UB#s and LB#s Control
t
BE
t
COE
I N F O R M A T I O N
t
ODW
t
t
CW
WC
t
BW
t
WP
t
DS
Valid Data In
t
DH
t
WR
High-Z
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