AM50DL128BG70I Spansion Inc., AM50DL128BG70I Datasheet - Page 55

• Manufacturer Part Number: AM50DL128BG70I
• Manufacturer: Spansion Inc.

Specifications of AM50DL128BG70I

• Operating Supply Voltage (max): 3.3V
• Operating Temperature (max): 85C
• Mounting: Surface Mount
• Lead Free Status / RoHS Status: Not Compliant

pSRAM AC CHARACTERISTICS
Read Cycle
Notes:
1. t
2. If CE#, LB#, or UB# goes low at the same time or before
54
Parameter
Symbol
the outputs achieve the open circuit condition and are
not referenced to output voltage levels.
WE# goes high, the outputs will remain at high impedance.
OD,
t
t
t
t
t
DQ15 to DQ0
t
ACC
t
t
t
COE
OEE
t
t
ODO
t
t
t
t
t
AOH
RC
CO
OE
BA
BE
OD
BD
OH
PM
PC
AA
t
ODo
Addresses
A20 to A0
LB#, UB#
, t
CE#1s
D
BD
CE2s
WE#
OE#
OUT
, and t
Description
Read Cycle Time
Address Access Time
Chip Enable Access Time
Output Enable Access Time
Data Byte Control Access Time
Chip Enable Low to Output Active
Output Enable Low to Output Active
Data Byte Control Low to Output Active
Chip Enable High to Output High-Z
Output Enable High to Output High-Z
Data Byte Control High to Output High-Z
Output Data Hold from Address Change
Page Mode Time
Page Mode Cycle Time
Page Mode Address Access Time
Page Output Data Hold Time
ODW
are defined as the time at which
High-Z
Figure 29. Psuedo SRAM Read Cycle
t
ACC
P R E L I M I N A R Y
t
COE
t
CO
t
OEE
Am50DL128BG
t
t
BE
OE
t
BA
Indeterminate
3. If CE#, LB#, or UB# goes low at the same time or after WE#
t
RC
goes low, the outputs will remain at high impedance.
Max
Max
Max
Max
Max
Max
Max
Max
Min
Min
Min
Min
Min
Min
Min
Min
Valid Data Out
70
70
70
70
Speed
t
BD
25
25
10
20
20
20
10
70
30
10
30
0
0
t
ODO
t
OD
t
OH
85
85
85
85
January 8, 2003
Fixed High
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
High-Z