W3DG72256V-D2 Datasheet, PDF (3/6 Pages) White Electronic Designs Corporation – 2GB - 256Mx72 SDRAM, REGISTER and SPD, w/PLL

White Electronic Designs
W3DG72256V-D2
ABSOLUTE MAXIMUM RATINGS
Parameter
Voltage on any pin relative to VSS
Voltage on VCC supply relative to VSS
Storage Temperature
Power Dissipation
Short Circuit Current
Symbol
VIN, VOUT
VCC, VCCQ
TSTG
PD
IOS
Value
-1.0 ~ 4.6
-1.0 ~ 4.6
-55 ~ +150
36
50
Note: Permanent device damage may occur if "ABSOLUTE MAXIMUM RATINGS" are exceeded.
Functional operation should be restricted to recommended operating condition.
Exposure to higher than recommended voltage for extended periods of time could affect device reliability.
RECOMMENDED DC OPERATING CONDITIONS
Voltage Referenced to: VSS = 0V, 0°C ≤ TA ≤ 70°
Parameter
Supply Voltage
Input High Voltage
Input Low Voltage
Output High Voltage
Output Low Voltage
Input Leakage Current
Symbol
Min
VCC
3.0
VIH
2.0
VIL
-0.3
VOH
2.4
VOL
—
ILI
-10
Note: 1. VIH (max)= 5.6V AC. The overshoot voltage duration is ≤ 3ns.
2. VIL (min)= -2.0V AC. The undershoot voltage duration is ≤ 3ns.
3. Any input 0V ≤ VIN ≤ VCCQ
Input leakage currents include Hi-Z output leakage for all bi-directional buffers
with Tri-State outputs.
Typ
Max
3.3
3.6
3.0
VCCQ+0.3
—
0.8
—
—
—
0.4
—
10
Units
V
V
°C
W
mA
Unit
Note
V
V
1
V
2
V
IOH= -2mA
V
IOL= -2mA
μA
3
CAPACITANCE
TA = 25 °C, f = 1MHz, VCC = 3.3V, VREF = 1.4V ± 200mV
Parameter
Symbol
Max
Unit
Input Capacitance (A0-A12)
CIN1
9
pF
Input Capacitance (RAS#,CAS#,WE#)
CIN2
9
pF
Input Capacitance (CKE0)
Input Capacitance (CLK0)
CIN3
9
pF
CIN4
17
pF
Input Capacitance (CS0#,CS2#)
CIN5
9
pF
Input Capacitance (DQM0-DQM7)
CIN6
7
pF
Input Capacitance (BA0-BA1)
CIN7
9
pF
Data input/output capacitance (DQ0-DQ63)
COUT
16
pF
Data input/output capacitance (CB0-CB7)
COUT1
16
pF
August 2005
Rev. 3
3
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