UPD442002-X Datasheet, PDF (6/24 Pages) NEC – 2M-BIT CMOS STATIC RAM 128K-WORD BY 16-BIT EXTENDED TEMPERATURE OPERATION

µPD442002-X
Electrical Specifications
Absolute Maximum Ratings
Parameter
Symbol Condition
Rating
Unit
Supply voltage
VCC
Input / Output voltage
VT
Operating ambient temperature
TA
Storage temperature
Tstg
-BB70X, -BC70X
-DD85X, -DD10X
–0.5 ^Note to +4.0
–0.5 ^Note to +2.7
V
–0.5 ^Note to VCC+0.4 (4.0 V MAX.) –0.5 ^Note to VCC+0.4 (2.7 V MAX.) V
–25 to +85
–25 to +85
°C
–55 to +125
–55 to +125
°C
Note –3.0 V (MIN.) (Pulse width : 30 ns)
Caution Exposing the device to stress above those listed in Absolute Maximum Rating could cause
permanent damage. The device is not meant to be operated under conditions outside the limits
described in the operational section of this specification. Exposure to Absolute Maximum Rating
conditions for extended periods may affect device reliability.
Recommended Operating Conditions
Parameter
Symbol
Condition
-BB70X
-BC70X
-DD85X, -DD10X Unit
MIN. MAX. MIN. MAX. MIN. MAX.
Supply voltage
High level input voltage
Low level input voltage
Operating ambient
temperature
VCC
2.7
3.6
2.2
3.6
1.8
2.2
V
VIH 2.7 V ≤ VCC ≤ 3.6 V
2.4 VCC+0.4 2.4 VCC+0.4
–
–
V
2.2 V ≤ VCC < 2.7 V
–
–
2.0 VCC+0.3
–
–
1.8 V ≤ VCC < 2.2 V
–
–
–
–
1.6 VCC+0.2
VIL
–0.3 ^Note +0.5 –0.3 ^Note +0.4 –0.2 ^Note +0.2
V
TA
–25
+85
–25
+85
–25
+85
°C
Note –1.0 V (MIN.) (Pulse width : 20 ns)
Capacitance (TA = 25°C, f = 1 MHz)
Parameter
Symbol
Test condition
Input capacitance
CIN VIN = 0 V
Input / Output capacitance
CI/O
VI/O = 0 V
Remarks 1. VIN : Input voltage
VI/O : Input / Output voltage
2. These parameters are not 100% tested.
MIN.
TYP. MAX. Unit
8
pF
10
pF
6
Data Sheet M14670EJ7V1DS