am49pdl129bh85it Meet Spansion Inc., am49pdl129bh85it Datasheet - Page 80

• 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.
78
DQ15 to DQ0
DQ15 to DQ0
Addresses
A20 to A0
LB#, UB#
CE#1
D
WE#
CE2
OUT
D
IN
High-Z
t
CH
Figure 30. Pseudo SRAM Write Cycle—CE1#s Control
t
AS
(Note 1)
A D V A N C E
Am49PDL127BH/Am49PDL129BH
t
COE
t
BE
I N F O R M A T I O N
t
t
WC
ODW
t
CW
t
BW
t
WP
Valid Data In
t
DS
t
DH
t
WR
High-Z
(Note 1)
December 16, 2003