UT62257CPC-70LL(2001) 查看數據表（PDF） - Utron Technology Inc
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UT62257CPC-70LL Datasheet PDF : 12 Pages
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Rev. 1.0
UTRON
UT62257C
32K X 8 BIT LOW POWER CMOS SRAM
ABSOLUTE MAXIMUM RATINGS*
PARAMETER
SYMBOL
RATING
UNIT
Terminal Voltage with Respect to VSS
VTERM
-0.5 to +7.0
V
Operating Temperature
TA
0 to +70
℃
Storage Temperature
TSTG
-65 to +150
℃
Power Dissipation
PD
1
W
DC Output Current
IOUT
50
mA
Soldering Temperature (under 10 sec)
Tsolder
260
℃
*Stresses greater than those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. This is a
stress rating only and functional operation of the device or any other conditions above those indicated in the operational
sections of this specification is not implied. Exposure to the absolute maximum rating conditions for extended period may affect
device reliability.
TRUTH TABLE
MODE
CE1
Standby
H
X
Read
L
Write
L
Note: H = VIH, L=VIL, X = Don't care.
CE2
X
L
H
H
WE I/O OPERATION SUPPLY CURRENT
X
High - Z
ISB, ISB1
X
High - Z
ISB, ISB1
H
DOUT
ICC, ICC1, ICC2
L
DIN
ICC, ICC1, ICC2
DC ELECTRICAL CHARACTERISTICS (VCC = 5V±10%, TA = 0℃ to 70℃)
PARAMETER
SYMBOL TEST CONDITION
MIN. TYP. MAX. UNIT
Input High Voltage
VIH
Input Low Voltage
VIL
Input Leakage Current ILI VSS ≦VIN ≦VCC
Output Leakage
ILO VSS ≦VI/O ≦VCC
Current
CE1=VIH or CE2 = VIL
2.2 - VCC+0.5 V
- 0.5 -
0.8
V
-1 -
1
µA
-1 -
1
µA
Output High Voltage
Output Low Voltage
Operating Power
Supply Current
VOH IOH= - 1mA
VOL IOL= 4mA
ICC Cycle time=Min., II/O = 0mA ,
CE1 = VIL , CE2 = VIH
2.4 -
--
- 35 - 40
- 70 - 30
-
V
0.4
V
50 mA
40 mA
ICC1 Cycle time=1µs,100%duty,II/O=0mA, - -
10 mA
CE1 = 0.2V ; CE2 = VCC-0.2V ,
other pins at 0.2V or VCC-0.2V
ICC2 Cycletime=500ns,100%duty,II/O=0mA, - -
20 mA
CE1 = 0.2V ; CE2 = VCC-0.2V ,
Standby Power
Supply Current
other pins at 0.2V or VCC-0.2V
ISB CE1=VIH or CE2 = VIL
normal - 1
10 mA
ISB1 CE1≧VCC-0.2V
0.3
5
mA
CE2≧VCC-0.2V
ISB CE1=VIH or CE2 = VIL
-L/-LL - -
3 mA
ISB1 CE1≧VCC-0.2V
-L -
2 100 µA
CE2≧VCC-0.2V
-LL
-1
40 µA
UTRON TECHNOLOGY INC.
1F, No. 11, R&D Rd. II, Science-Based Industrial Park, Hsinchu, Taiwan, R. O. C.
TEL: 886-3-5777882 FAX: 886-3-5777919
2
P80062
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