m69ar024b STMicroelectronics, m69ar024b Datasheet - Page 16

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

M69AR024B
Table 8. Write Mode AC Characteristics
16/28
t
t
t
t
t
Symbol
AVAX
t
t
t
t
ELAX
t
t
t
t
t
AVWL
BHAX
BLWH
EHAX
GHAV
AXAV
BLBH
ELEH
AVBL
AVEL
t
t
t
BHEL
EHBL
t
t
t
t
t
t
BLBH2
BHWL
WHBL
DVWH
BHDZ
DVBH
DVEH
EHDZ
EHEL
(1,2)
(1,2)
(8)
(9)
(2)
(2)
(5)
(3)
(3)
(2)
(4)
(4)
(7)
(3)
,
,
t
t
t
t
Alt.
t
t
BWO
t
WRC
t
t
AXW
t
t
t
t
t
t
t
t
t
t
t
t
OES
WC
BW
BW
WC
CW
DH
DH
AS
AS
AS
BR
BS
BH
DS
DS
DS
CP
Write Cycle Time
Address Valid to LB, UB Low
Address Valid to Chip Enable Low
Address Valid to Write Enable Low
Address Invalid Time for Write
LB, UB High to Address Transition
LB, UB High to Input Hi-Z
LB, UB Low to LB, UB High
LB, UB Low to LB, UB High, Pulse Overlap
LB, UB Low to Write Enable High
LB, UB Byte Mask Setup Time
LB, UB Byte Mask Hold Time
Input Valid to LB, UB High
Input Valid to Chip Enable High
Input Valid to Write Enable High
Chip Enable High to Address Transition
Chip Enable High to Input Hi-Z
Chip Enable High to Chip Enable Low
Write Cycle Time
Chip Enable Low to Chip Enable High
Output Enable High to Address Valid
Parameter
V
V
CC
CC
= 1.7V to 2.25V
= 1.8V to 2.25V
Min
15
80
80
70
15
45
20
45
–5
–5
30
30
30
15
45
0
0
0
0
0
0
M69AR024B
70, 80
1000
1000
1000
Max
10
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns