W3DG647V-D2 Datasheet, PDF (3/5 Pages) White Electronic Designs Corporation – 64MB- 8Mx64 SDRAM UNBUFFERED

White Electronic Designs
W3DG647V-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
8
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.
Units
V
V
°C
W
mA
RECOMMENDED DC OPERATING CONDITIONS
(Voltage Referenced to: VSS = 0V, TA = 0°C to +70°C)
Parameter
Symbol Min Typ
Max
Unit
Supply Voltage
VCC
3.0
3.3
3.6
V
Input High Voltage
VIH
2.0 3.0 VCCQ+0.3 V
Input Low Voltage
VIL
-0.3
—
0.8
V
Output High Voltage
VOH
2.4
—
—
V
Output Low Voltage
VOL
—
—
0.4
V
Input Leakage Current
ILI
-10 —
10
µA
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 ≤ VCC
Input leakage currents include Hi-Z output leakage for all bi-directional buffers with Tri-State
outputs.
Note
1
2
IOH= -2mA
IOL= -2mA
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CAPACITANCE
(TA = 23°C, f = 1MHz, VCC = 3.3V, VREF=1.4V ± 200mV)
Parameter
Input Capacitance (A0-A12)
Input Capacitance (RAS#,CAS#,WE#)
Input Capacitance (CKE0)
Symbo Minl
Max
Unit
CIN1
-
45
pF
CIN2
-
45
pF
CIN3
-
45
pF
Input Capacitance (CLK0, CLK2)
CIN4
-
Input Capacitance (CS0#,CS2#)
CIN5
-
Input Capacitance (DQM0-DQM7)
CIN6
-
Input Capacitance (BA0-BA1)
CIN7
-
Data input/output capacitance (DQ0-DQ63) COUT
-
30
pF
25
pF
10
pF
45
pF
12
pF
White Electronic Designs Corp. reserves the right to change products or specifications without notice.
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