W3DG6434V-D2 Datasheet, PDF (3/6 Pages) White Electronic Designs Corporation – 256MB - 2x16Mx64 SDRAM UNBUFFERED

White Electronic Designs
W3DG6434V-D2
Parameter
Voltage on any pin relative to VSS
Voltage on VCC supply relative to VSS
Storage Temperature
Power Dissipation
Short Circuit Current
ABSOLUTE MAXIMUM RATINGS
Symbol
VIN, VOUT
VCC, VCCQ
TSTG
PD
IOS
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.
Value
-1.0 ~ 4.6
-1.0 ~ 4.6
-55 ~ +150
16
50
Units
V
V
°C
W
mA
RECOMMENDED DC OPERATING CONDITIONS
Voltage Referenced to: VSS = 0V, 0°C ≤ TA ≤ +70°C
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
Typ
Max
Unit
Note
3.3
3.6
V
3.0
VCCQ+0.3
V
1
—
0.8
V
2
—
—
V
IOH= -2mA
—
0.4
V
IOL= -2mA
—
10
µA
3
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.
CAPACITANCE
TA = 25°C, f = 1MHz, VCC = 3.3V, VREF=1.4V ± 200mV
Parameter
Input Capacitance (A0-A12)
Input Capacitance (RAS#,CAS#,WE#)
Input Capacitance (CKE0-CKE1)
Input Capacitance (CLK0-CLK3)
Input Capacitance (CS0#-CS3#)
Input Capacitance (DQM0-DQM7)
Input Capacitance (BA0-BA1)
Data input/output capacitance (DQ0-DQ63)
Symbol
Max
Unit
CIN1
65
pF
CIN2
65
pF
CIN3
35
pF
CIN4
16
pF
CIN5
20
pF
CIN6
11
pF
CIN7
65
pF
COUT
15
pF
July 2004
Rev 1
3
White Electronic Designs Corporation • [phone] • www.wedc.com