EM484M1644VTA-55L Datasheet, PDF (14/18 Pages) List of Unclassifed Manufacturers – 64Mb SDRAM

64Mb SDRAM
Absolute Maximum Ratings
Symbol
Item
Rating
Units
VIN, VOUT
Input, Output Voltage
-0.3 ~ 4.6
V
VDD, VDDQ
Power Supply Voltage
-0.3 ~ 4.6
V
TOP
Operating Temperature
0 ~ 70
°C
TSTG
Storage Temperature
-55 ~ 150
°C
PD
Power Dissipation
1
W
IOS
Short Circuit Current
50
mA
Note : 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.
Recommended DC Operation Conditions ( Ta = 0 ~ 70 °C )
Symbol
VDD
VDDQ
VIH
VIL
Parameter
Power Supply Voltage
Power Supply Voltage (for I/O Buffer)
Input logic high voltage
Input logic low voltage
Note : 1. All voltage referred to VSS.
2. VIH (max) = 5.6V for pulse w idth  3ns
3. VIL (min) = -2.0V for pulse w idth  3ns
Min.
3.0
3.0
2.0
-0.3
Typical
3.3
3.3
Max.
3.6
3.6
VDD+0.3
0.8
Units
V
V
V
V
Capacitance ( Vcc =3.3V, f = 1MHz, Ta = 25 °C )
Symbol
CCLK
CI
CO
Parameter
Clock capacitance
Input capacitance for CLK, CKE, Address, /CS,
/RAS, /CAS, /WE, DQML,DQMU
Input/Output capacitance
Min.
2.5
2.5
4.0
Max.
4.0
5.0
6.5
Units
pF
pF
pF
Rev.02
14/18