W3DG72128V-D1 Datasheet, PDF (3/6 Pages) White Electronic Designs Corporation – 1GB - 128Mx72 SDRAM, UNBUFFERED w/PLL

White Electronic Designs
W3DG72128V-D1
PRELIMINARY
ABSOLUTE MAXIMUM RATINGS
Parameter
Symbol
Value
Voltage on any pin relative to VSS
VIN, VOUT
-1.0 ~ 4.6
Voltage on VCC supply relative to VSS
VCC, VCCQ
-1.0 ~ 4.6
Storage Temperature
TSTG
-55 ~ +150
Power Dissipation
PD
18
Short Circuit Current
IOS
50
Note: Permanent device damage may occur if “ABSOLUTE MAXIMUM RATINGS”V 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 ≤ +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 ≤ VCCQ
Input leakage currents include Hi-Z output leakage for all bi-directional buffers with Tri-State outputs.
Note
1
2
IOH= -2mA
IOL= -2mA
3
CAPACITANCE
(TA = 25°C, f = 1MHz, VCC = 3.3V, VREF=1.4V ± 200mV)
Parameter
Symbol
Max
Unit
Input Capacitance (A0-A12)
CIN1
15
pF
Input Capacitance (RAS#,CAS#,WE#)
CIN2
15
pF
Input Capacitance (CKE0)
CIN3
15
pF
Input Capacitance (CLK0)
CIN4
20
pF
Input Capacitance (CS0#)
CIN5
15
pF
Input Capacitance (DQM0-DQM7)
CIN6
15
pF
Input Capacitance (BA0-BA1)
CIN7
15
pF
Data Input/Output Capacitance (DQ0-DQ63)
CouT
22
pF
Data Input/Output Capacitance (CB0-7)
CouT1
22
pF
White Electronic Designs Corp. reserves the right to change products or specifications without notice.
June 2004
Rev. 0
3
White Electronic Designs Corporation • [phone] • www.wedc.com