EDD1204ALTA, EDD1208ALTA, EDD1216ALTA
13. Electrical Specifications
• All voltages are referenced to VSS (GND).
• After power up, wait more than 100 µs and then, execute Power on sequence and CBR (auto) Refresh before
proper device operation is achieved.
13.1 Absolute Maximum Ratings
Parameter
Voltage on power supply pin relative to VSS
Voltage on any pin relative to VSS
Short circuit output current
Power dissipation
Symbol
Condition
Rating
−0.5 to +3.6
−0.5 to +3.6
50
Unit
V
VDD, VDDQ
VT
IO
V
mA
W
PD
Tstg
1
Storage temperature
−55 to + 125
°C
Caution Exposing the device to stress above those listed in Absolute Maximum Ratings 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.
13.2 Recommended Operating Conditions
Parameter
Symbol
VDD
Condition
MIN.
2.3
TYP.
2.5
MAX.
2.7
Unit
V
Supply voltage
Supply voltage for DQ, DQS
Input reference voltage
VDDQ
VREF
2.3
2.5
2.7
V
0.49 × VDDQ
VREF − 0.04
VREF + 0.18
−0.3
0.51 × VDDQ
VREF + 0.04
VDD + 0.3
VREF − 0.18
VDDQ + 0.6
0.5 × VDDQ+0.2
70
V
Termination voltage
VTT
VREF
V
High level dc input voltage
VIH (DC)
VIL (DC)
VID (DC)
VIX
V
Low level dc input voltage
V
Input differential voltage (CLK and /CLK)
Input crossing point voltage (CLK and /CLK)
Operating ambient temperature
0.36
V
0.5 × VDDQ–0.2
0
V
TA
°C
13.3 Pin Capacitance (TA = 25 °C, f = 100 MHz)
Parameter
Input capacitance
Symbol
CI1
Condition
A0 - A11, BA0, BA1
MIN. TYP. MAX. Unit
2.5
2.5
4
3.5
3.5
5
pF
pF
pF
pF
CI2
CLK, /CLK, CKE, /CS, /RAS, /CAS, /WE
DQS, LDQS, UDQS
Data input/output capacitance
CIO1
CIO2
DQ0 - DQ15, DM, LDM, UDM
4
5
37
Preliminary Data Sheet E0136E30
ELPIDA [ ELPIDA MEMORY ]
