R1WV3216RBG-7SI RENESAS [Renesas Technology Corp], R1WV3216RBG-7SI Datasheet - Page 9

• Manufacturer Part Number: R1WV3216RBG-7SI
• Description: 32Mb Advanced LPSRAM (2M wordx16bit)
• Manufacturer: RENESAS [Renesas Technology Corp]

Note
REJ03C0215-0300Z Rev.3.00 2008.03.03
page 9 of 15
R1W V3216R Series
Write cycle time
Address valid to end of write
Chip selection to end of write
Write pulse width
LB#,UB# valid to end of write
Address setup time
Write recovery time
Data to write time overlap
Data hold from write time
Output active from end of write
Output disable to output in high-Z
Write to output in high-Z
Byte setup time
Byte recovery time
2. This parameter is sampled and not 100% tested.
3. AT any given temperature and voltage condition,
4. A write occurs during the overlap of a low CS1#, a high CS2, a low WE# and a low LB# or a low UB#.
5.
6.
7.
1
.
going low or UB# going low .
going high or UB# going high.
Write Cycle
Byte Enable
form device to device.
A write begins at the latest transition among CS1# going low, CS2 going high, WE# going low and LB#
A write ends at the earliest transition among CS1# going high, CS2 going low, WE# going high and LB#
t
t
t
t
and are not referred to output voltage levels.
CW
AS
WR
CHZ,
is measured the address valid to the beginning of write.
is measured from the later of CS1# going low or CS2 going high to end of write.
is measured from the earliest of CS1# or WE# going high or CS2 going low to the end of write cycle.
t
OHZ,
Parameter
Parameter
t
WHZ
(supported by only 52-pin µTSOP )
and
t
BHZ
are defined as the time at which the outputs achieve the open circuit conditions
t
WP
Symbol
Symbol
t
t
t
t
t
t
t
t
t
t
t
t
t
t
WHZ
OHZ
is measured from the beginning of write to the end of write.
WC
AW
CW
WP
BW
WR
DW
OW
AS
DH
BS
BR
R1WV3216R**-7S
R1WV3216R**-7S
Min.
Min.
70
65
65
55
65
35
0
0
0
5
0
0
5
5
t
HZ
max is less than
Max.
Max.
25
25
-
-
-
-
-
-
-
-
-
-
-
-
R1WV3216R**-8S
R1WV3216R**-8S
Min.
Min.
85
70
70
60
70
40
0
0
0
5
0
0
5
5
t
LZ
min both for a given device and
Max.
Max.
30
30
-
-
-
-
-
-
-
-
-
-
-
-
Unit
Unit
ms
ms
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
Notes
Notes
1,2
1,2
5
4
6
7
2