EtronTech
EM638325
2Mega x 32 SDRAM
Absolute Maximum Rating
Leaded Package Lead Free Package
Unit Note
Symbol
VIN, VOUT
VDD, VDDQ
TOPR
Item
Input, Output Voltage
Power Supply Voltage
Operating Temperature
Storage Temperature
Soldering Temperature (10s)
Power Dissipation
-1~4.6
- 1~4.6
0~70
V
V
1
1
1
1
1
1
1
°C
°C
°C
W
TSTG
- 55~150
TSOLDER
PD
240
260
1
IOUT
Short Circuit Output Current
50
mA
Recommended D.C. Operating Conditions (Ta = 0~70°C)
Symbol
VDD
Parameter
Min.
3.0
Typ.
3.3
3.3
－
Max.
Unit
V
Note
Power Supply Voltage
3.6
3.6
2
2
2
VDDQ
VIH
Power Supply Voltage(for I/O Buffer)
LVTTL Input High Voltage
3.0
V
2.0
VDDQ + 0.3
V
VIL
LVTTL Input Low Voltage
- 0.3
0.8
V
2
－
Capacitance (VDD = 3.3V, f = 1MHz, Ta = 25°C)
Symbol
CI
Parameter
Input Capacitance
Input/Output Capacitance
Min.
－
Max.
4.5
Unit
pF
CI/O
6.5
pF
－
Note: These parameters are periodically sampled and are not 100%
Preliminary
16
Rev 1.4
Oct. 2005
ETRON [ ETRON TECHNOLOGY, INC. ]
