AM49DL6408H55FS SPANSION [SPANSION], AM49DL6408H55FS Datasheet - Page 50

• Manufacturer Part Number: AM49DL6408H55FS
• Description: 64 Megabit (4 M x 16-Bit) CMOS 3.0 Volt-only, Simultaneous Operation Flash Memory and 8 Mbit (512 K x 16-Bit)
• Manufacturer: SPANSION [SPANSION]

PSEUDO SRAM AC CHARACTERISTICS
Power Up Time
When powering up the SRAM, maintain V
Read Cycle
Notes:
1. CE1#s = OE# = V
2. Do not access device with cycle timing shorter than t
48
Parameter
t
t
Symbol
t
CO1
HZ1
LZ1
t
t
t
t
t
t
t
t
t
OHZ
OLZ
BHZ
BLZ
OH
RC
AA
OE
BA
, t
, t
, t
CO2
LZ2
HZ2
Address
Data Out
Description
Read Cycle Time
Address Access Time
Chip Enable to Output
Output Enable Access Time
LB#s, UB#s to Access Time
Chip Enable (CE1#s Low and CE2s High) to Low-Z
Output
UB#, LB# Enable to Low-Z Output
Output Enable to Low-Z Output
Chip Disable to High-Z Output
UB#s, LB#s Disable to High-Z Output
Output Disable to High-Z Output
Output Data Hold from Address Change
IL
, CE2s = WE# = V
Figure 27. Pseudo SRAM Read Cycle—Address Controlled
Previous Data Valid
A D V A N C E
IH
, UB#s and/or LB#s = V
CC
s for 100 µs minimum with CE#1s at V
t
OH
RC
Am49DL6408H
for continuous periods < 10 µs.
I N F O R M A T I O N
t
AA
IL
t
RC
Max
Max
Max
Max
Max
Max
Max
Min
Min
Min
Min
Min
IH
55
55
55
55
30
55
20
20
20
Data Valid
.
Speed
10
5
5
5
70, 85
70
70
70
35
70
25
25
25
March 12, 2004
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns