NT256S72V89A0G
256MB : 32M x 72
Unbuffered SDRAM Module
Preliminary 09 / 2001
5
© NANYA TECHNOLOGY CORP.
NANYA TECHNOLOGY CORP. reserves the right to change Products and Specifications without notice.
Absolute Maximum Ratings
Symbol
Parameter
Rating
Units
Notes
VDD
Power Supply Voltage
-0.3 to +4.6
VIN
Input Voltage
-0.3 to VDD +0.3
VOUT
Output Voltage
-0.3 to VDD +0.3
V
1
TA
Operating Temperature (ambient)
0 to +70
°C
1
TSTG
Storage Temperature
-55 to +125
°C
1
PD
Power Dissipation
9
W
1
IOUT
Short Circuit Output Current
50
mA
1
1.1. Stresses greater than those listed under "Absolute Maximum Ratings" may cause permanent damage to the device.
This is a stress rating only and functional operation of the device at these or any other conditions above those indicated in the operational
sections of this specification is not implied. Exposure to absolute maximum rating conditions for extended periods may affect reliability.
Recommended DC Operating Conditions (T A =0 to 70 °C)
Rating
Symbol
Parameter
Min.
Typ.
Max.
Units
Notes
VDD
Power Voltage
3.0
3.3
3.6
V
1
VIH
Input High Voltage
2.0
-
VDD + 0.3
V
1,2
VIL
Input Low Voltage
-0.3
-
0.8
V
1,3
VOH
Output High Voltage
2.4
-
-
V
VOL
Output Low Voltage
-
-
0.4
V
I IL
Input Leakage current
-10
-
10
uA
1.
All voltages referenced to VSS .
2.
VIH (max) = VDD / VDDQ + 1.2V for pulse width ≤ 5ns
3.
VIL (min) = VSS / VSSQ - 1.2V for pulse width ≤ 5ns .
Capacitance (T A =25 °C , f =1MHz, V DD =3.3 ± 0.3V)
Symbol
Parameter
Max.
Unit
CI1
Input Capacitance (A0-A9, A10/AP, A11, BA0, BA1, RAS
, CAS , WE )
77
CI2
Input Capacitance (CKE0)
58
CI3
Input Capacitance ( S0 - S2 )
33
CI4
Input Capacitance (CK0 - CK3)
40
CI5
Input Capacitance (DQMB0 - DQMB7)
21
CI6
Input Capacitance (SA0 - SA2, SCL, WP)
9
CIO1
Input/Output Capacitance (DQ0 - DQ63, CB0 - CB7)
10
CIO2
Input/Output Capacitance (SDA)
11
pF
DC Output Load Circuit
VOH(DC) = 2.4V,IOH= -2mA
VOL(DC) = 0.4V,IOL= -2mA
3.3 V
1200 ohms
870 ohms
50 pF
Output
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