m69aw024b STMicroelectronics, m69aw024b Datasheet - Page 25

• Manufacturer Part Number: m69aw024b
• Description: 16 Mbit 1m X16 3v Asynchronous Psram
• Manufacturer: STMicroelectronics

Figure 22. Power-up Mode AC Waveforms - 3
Note: Both E1 and E2 must go High as V
Table 10. Low V
Note: 1. T
Figure 23. Low V
t
Symbol
CDR
V
I
V/ t
CCDR
t
DR
R
3.5V
2.7V
2.3V
0.4V
V SS
or Power-Up Mode AC Waveforms 2
2. All other Inputs at V
3. See
(3)
(2,3)
(2)
(3)
A
V CC
= –30 to 85°C
Figure 23.
E2
E1
E1
E2
V CC
Supply Voltage (Data Retention)
Supply Current (Data Retention)
Chip deselected to Data Retention
Time
Operation Recovery Time
VCC Voltage Transition Time
CC
CC
for measurement points.
tCDR
Data Retention Characteristics
Data Retention AC Waveforms
IH
0V
Parameter
V
CC
–0.2V or V
CC
(Figure
reaches V
IL
21.) should be used to ensure proper operation.
V/ t
0.2V.
V CC min
Data Bus must be Hi-Z
CC
(min). If not, the timings provided in Power-Up Mode AC Waveforms 1
E1 and E2
E1
V
DATA RETENTION MODE
CC
= V
V
E1 = E2
E1
V DD – 0.2V or V IH (min)
CC
DR
Test Condition
, V
–0.2V and E2
V
I
V
IN
V
OUT
IH
tEHEL
CC
CC
and E2
0.2V or
V
= 0mA
CC
2.7V
2.7V
–0.2V, or
1
V
V
V
IH
CC
CC
V/ t
–0.2V,
–0.2V,
Min
100
2.3
0.2
0
M69AW024B
tR
AI08054C
Max
3.5
70
AI07408
(Figure
Unit
V/µs
25/29
µA
ns
ns
V
20.)