R1LP5256ESA-5SI#B1

R1LP5256E Series
R10DS0070EJ0100 Rev.1.00 Page 10 of
13
2011.04.13
Write Cycle (1) (WE# CLOCK)
CS#
t
CW
t
OW
t
WC
DQ
0~7
t
DW
t
DH
Valid Data
t
OHZ
OE#
WE#
t
AW
t
AS
t
WP
t
WR
t
WHZ
t
OLZ
A
0~14
R1LP5256E Series
R10DS0070EJ0100 Rev.1.00 Page 11 of
13
2011.04.13
Write Cycle (2) (CS# CLOCK)
CS#
A
0~14
t
CW
t
WC
t
AW
t
AS
t
WR
OE#
WE#
DQ
0~7
V
IH
OE# = “H” level
t
DW
t
DH
t
WP
Valid Data
R1LP5256E Series
R10DS0070EJ0100 Rev.1.00 Page 12 of
13
2011.04.13
Low Vcc Data Retention Characteristics
Parameter Symbol Min. Typ. Max. Unit Test conditions
*2
V
CC
for data retention V
DR
2.0 - 5.5 V
Vin 0V
CS# Vcc-0.2V
- 1
*1
2 μA ~+25°C
- - 3 μA ~+40°C
- - 8 μA ~+70°C
Data retention current I
CCDR
- - 10 μA ~+85°C
Vcc=3.0V, Vin 0V,
CS# Vcc-0.2V
Chip deselect to data retention time t
CDR
0 - - ns
Operation recovery time t
R
5 - - ms
See retention waveform.
Note 1. Typical parameter indicates the value for the center of distribution at 3.0V (Ta= 25ºC), and not 100% tested.
2. CS# controls address buffer, WE# buffer, OE# buffer and Din buffer. If CS# controls data retention mode, Vin
levels (address, WE#, OE#, DQ) can be in the high impedance state.

R1LP5256ESA-5SI#B1

Mfr. #:
Manufacturer:
Renesas Electronics
Description:
SRAM SRAM 256KB ADV. 5V TSOP28 55NS -40TO85C
Lifecycle:
New from this manufacturer.
Delivery:
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Payment:
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