English
Language : 

UPD4443362 Datasheet, PDF (6/16 Pages) NEC – 4M-BIT CMOS SYNCHRONOUS FAST STATIC RAM 128K-WORD BY 36-BIT HSTL INTERFACE / REGISTER-REGISTER / LATE WRITE
µPD4443362
Electrical Specifications
Absolute Maximum Ratings
Parameter
5 Supply voltage
5 Output supply voltage
Input voltage
Input / Output voltage
5 Operating temperature
Storage temperature
Symbol
VDD
VDDQ
VIN
VI/O
TA
Tstg
Note 1. –2.0 V MIN. (Pulse width : 2 ns)
Condition
MIN.
–0.5
–0.5
–0.5
–0.5
0
–55
TYP.
MAX. Unit Note
+4.0
V
1
+4.0
V
1
VDD+0.3 V
1
VDDQ+0.3 V
1
50
°C
+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.
5 Recommended DC Operating Conditions (TA = 0 to 50 °C)
Parameter
Core supply voltage
Output buffer supply voltage
Input reference voltage
Low level input voltage
High level input voltage
Symbol
VDD
VDDQ
VREF
VIL
VIH
Conditions
Note –0.8 V MIN. (Pulse width : 2 ns)
MIN.
3.135
1.4
0.7
–0.3 Note
VREF+0.1
TYP.
3.3
1.5
0.75
MAX. Unit
3.465
V
1.6
V
0.8
V
VREF–0.1 V
VDDQ+0.3 V
5 Recommended AC Operating Conditions (TA = 0 to 50 °C)
Parameter
Input reference voltage
Low level input voltage
High level input voltage
Symbol
VREF (RMS)
VIL
VIH
Conditions
MIN.
–5%
–0.3
VREF+0.2
TYP.
MAX. Unit
+5%
V
VREF–0.2 V
VDDQ+0.3 V
Capacitance (TA = 25 °C, f = 1 MHz)
Parameter Note
5 Input capacitance
Input / Output capacitance
Clock Input Capacitance
Symbol
CIN
CI/O
Cclk
Note These parameters are not 100% tested.
VIN = 0 V
VI/O = 0 V
Vclk = 0 V
Test conditions
MAX. Unit
5.5
pF
7.0
pF
6.0
pF
6
Data Sheet M14439EJ2V0DS