W3DG7232V-D2 Datasheet, PDF (3/9 Pages) White Electronic Designs Corporation – 256MB - 32Mx72 SDRAM, REGISTER and SPD, w/PLL

White Electronic Designs
W3DG7232V-D2
PRELIMINARY
ABSOLUTE MAXIMUM RATINGS
Parameter
Symbol
Voltage on any pin relative to VSS
VIN, VOUT
Voltage on VCC supply relative to VSS
VCC, VCCQ
Storage Temperature
TSTG
Power Dissipation
PD
Short Circuit Current
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
9
50
Units
V
V
°C
W
mA
RECOMMENDED DC OPERATING CONDITIONS
Voltage Referenced to: VSS = 0V, 0°C ≤ TA ≤ 70°
Parameter
Supply Voltage
Input High Voltage
Symbol
Min
VCC
3.0
VIH
2.0
Typ
Max
Unit
Note
3.3
3.6
V
3.0
VCCQ+0.3
V
1
Input Low Voltage
Output High Voltage
Output Low Voltage
Input Leakage Current
VIL
-0.3
—
0.8
V
2
VOH
2.4
—
—
V
IOH= -2mA
VOL
—
—
0.4
V
IOL= -2mA
ILI
-10
—
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 ≤ VCCQ
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
Symbol
Max
Unit
Input Capacitance (A0-A12)
CIN1
50
pF
Input Capacitance (RAS#,CAS#,WE#)
CIN2
50
pF
Input Capacitance (CKE0)
Input Capacitance (CLK0)
CIN3
50
pF
CIN4
6
pF
Input Capacitance (CS0#,CS2#)
CIN5
50
pF
Input Capacitance (DQMB0-DQMB7)
CIN6
13
pF
Input Capacitance (BA0-BA1)
CIN7
50
pF
Data input/output capacitance (DQ0-DQ63)
COUT
16
pF
Data input/output capacitance (CB0-CB7)
COUT1
16
pF
February 2005
Rev. 1
3
White Electronic Designs Corporation • [phone] • www.wedc.com