English
Language : 

UPD444004 Datasheet, PDF (4/16 Pages) NEC – 4M-BIT CMOS FAST SRAM 1M-WORD BY 4-BIT
µPD444004
Electrical Specifications
Absolute Maximum Ratings
Parameter
Symbol
Supply voltage
VCC
Input / Output voltage
VT
Operating ambient temperature
TA
Storage temperature
Tstg
Note –2.0 V (MIN.) (pulse width : 2 ns)
Condition
Rating
Unit
–0.5 Note to +7.0
V
–0.5 Note to VCC+0.5
V
0 to 70
°C
–55 to +125
°C
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
Supply voltage
VCC
High level input voltage
VIH
Low level input voltage
VIL
Operating ambient temperature
TA
Note –2.0 V (MIN.) (pulse width : 2 ns)
Condition
MIN.
TYP.
MAX.
Unit
4.5
5.0
5.5
V
2.2
–0.5 Note
VCC+0.5
V
+0.8
V
0
70
°C
4
Data Sheet M14426EJ4V0DS