m69ar024b STMicroelectronics, m69ar024b Datasheet - Page 23

• Manufacturer Part Number: m69ar024b
• Description: 16 Mbit 1m X16 1.8v Supply, Asynchronous Psram
• Manufacturer: STMicroelectronics

Table 9. Standby Mode AC Characteristics
Note: 1. Applicable also to Power-up.
Figure 20. Power Down Mode AC Waveforms
t
Symbol
t
EHWL
EHEV
t
t
t
t
t
EHCH
EXCH
EHGL
t
CLEX
CHEL
2. Some data might be written into any address location if t
3. The Input Transition Time (t ) at AC testing is 5ns as shown below. If actual t is longer than 5ns, it may violate AC specification
(3)
(1)
(2)
of some timing parameters.
t
t
t
CHWX
CHOX
t
t
t
t
C2LP
Alt.
CHH
CHH
CSP
CHS
t
E1
E2
DQ0-DQ15
E2 Low Setup Time for Power Down Entry
E2 Low Hold Time after Power Down Entry
E1 High Hold Time following E2 High after Power-
Down Exit (Sleep Mode only)
E1 High Hold Time following E2 High after Power-
Down Exit (not in Sleep Mode)
E1 High Setup Time following E2 High after
Power-Down Exit
E1 High to G Invalid Time for Standby Entry
E1 High to W Invalid Time for Standby Entry
Input Transition Time
tCLEX
Power-Down Entry
Parameter
EHWL
Power-Down Mode
tEXCH
(min) is not satisfied.
Power-Down Exit
tEHCH
Min
300
300
tCHEL
10
70
10
10
0
1
M69AR024B
Hi-Z
70, 80
Max
25
M69AR024B
AI09394
Unit
ns
ns
µs
µs
µs
ns
ns
ns
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