M5M5255DP-45LL 查看數據表（PDF） - MITSUBISHI ELECTRIC
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M5M5255DP-45LL Datasheet PDF : 7 Pages
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'97.4.7
MITSUBISHI LSIs
M5M5255DP,FP -45LL,-55LL,-70LL,
-45XL,-55XL,-70XL
262,144-BIT (32,768-WORD BY 8-BIT) CMOS STATIC RAM
POWER DOWN CHARACTERISTICS
(1) ELECTRICAL CHARACTERISTICS (Ta = 0~70°C, Vcc=5V±10%, unless otherwise noted)
Symbol
Parameter
Vcc (PD) Power down supply voltage
VI (/S1) Chip select input /S1
VI (S2)
Chip select input S2
Icc (PD) Power down supply current
Test conditions
2.2V≤VCC(PD)
2V≤VCC(PD)≤2.2V
4.5V≤VCC(PD)
VCC(PD)<4.5V
Vcc = 3V
S2≤0.2V or
/S1≥Vcc-0.2V,S2≥Vcc-0.2V
Limits
Min Typ Max
2
2.2
VCC(PD)
0.8
0.2
-LL
10
(Note 7)
-XL
0.1
2
(Note 8)
Unit
V
V
V
uA
Note7: ICC (PD) = 1uA in case of Ta = 25°C
Note8: ICC (PD) = 0.5uA in case of Ta = 25°C
(2) TIMING REQUIREMENTS (Ta = 0~70°C, Vcc=5V±10%, unless otherwise noted )
Symbol
tsu (PD)
trec (PD)
Parameter
Power down set up time
Power down recovery time
Test conditions
Limits
Min Typ Max
Unit
0
ns
tCR
ns
(3) POWER DOWN CHARACTERISTICS
/S1 control mode
Vcc
tsu (PD)
4.5V
4.5V
2.2V
/S1
S2 control mode
Vcc
S2
tsu (PD)
/S1≥Vcc-0.2V
4.5V
4.5V
0.2V
S2≤0.2V
trec (PD)
trec (PD)
2.2V
0.2V
MITSUBISHI
ELECTRIC
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