UTRON
UT62V5128
Rev. 1.0
512K X 8 BIT LOW POWER CMOS SRAM
UTRON TECHNOLOGY INC. P80064
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
TRUTH TABLE
MODE
WE
CE
OE
I/O OPERATION SUPPLY CURRENT
Standby X H X High – Z ISB, I
SB1
Output Disable H L H High – Z ICC
Read H L L D
OUT
I
CC
Write L L X DIN I
CC
Note: H = VIH, L=VIL, X = Don't care.
ABSOLUTE MAXIMUM RATINGS
*
PARAMETER SYMBOL RATING UNIT
Terminal Voltage with Respect to VSS V
TERM
-0.5 to 3.6 V
Commercial TA 0 to 70
℃
Operating Temperature
Extended T
A
-20 to 80
℃
Storage Temperature T
STG
-65 to 150
℃
Power Dissipation PD 1 W
DC Output Current I
OUT
50 mA
Soldering Temperature (under 10 secs) 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.
DC ELECTRICAL CHARACTERISTICS
(VCC = 2.3V~2.7V, TA =0℃ to 70℃ / -20℃ to 80℃(E))
PARAMETER
SYMBOL
TEST CONDITION MIN. TYP. MAX. UNIT
Power Voltage Vcc 2.3 2.5 2.7 V
Input High Voltage VIH 2.0 - Vcc+0.3 V
Input Low Voltage VIL - 0.2 - 0.6 V
Input Leakage Current ILI
V
SS
≦VIN ≦VCC
- 1 - 1
µ
A
Output Leakage Current ILO
V
SS
≦V
I/O
≦V
CC,
Output Disabled
- 1 - 1
µ
A
Output High Voltage VOH IOH= -0.5mA 2.0 - - V
Output Low Voltage VOL IOL= 0.5mA - - 0.4 V
70 - 20 30 mA ICC Cycle time=Min.100% duty,
CE
= V
IL
, I
I/O
=0mA ,
100 - 15 20 mA
Icc1
Cycle time = 1µs,100% duty,
CE
≦
0.2,I
I/O=
0mA,
other pins at 0.2V or Vcc-0.2V,
- 3 4 mA
Operating Power
Supply Current
Icc2 Cycle time =500ns,100% duty,
CE
≦
0.2,I
I/O=
0mA
other pins at 0.2V or Vcc-0.2V,
- 6 8 mA
Standby Current(TTL) I
SB1
CE
=V
IH
- 0.3 0.5 mA
-L - 20 80 µA Standby Current(CMOS) I
SB1
CE
≧
V
CC
-0.2V
other pins at 0.2V or Vcc-0.2V,
-LL - 2 15 µA