W3DG7216V-AD1 Datasheet, PDF (3/6 Pages) White Electronic Designs Corporation – 128MB - 16Mx72 SDRAM, UNBUFFERED

White Electronic Designs
W3DG7216V-AD1
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
9
Short Circuit Current
IOS
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, 0°C ≤ TA ≤ +70°C
Parameter
Symbol
Min
Typ
Max
Supply Voltage
VCC
3.0
3.3
3.6
Input High Voltage
VIH
2.0
3.0
VCCQ +0.3
Input Low Voltage
VIL
-0.3
—
0.8
Output High Voltage
VOH
2.4
—
—
Output Low Voltage
VOL
—
—
0.4
Input Leakage Current
ILI
-10
—
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.
CAPACITANCE
TA = 25°C, f = 1MHz, VCC = 3.3V, VREF = 1.4V ± 200mV
Parameter
Input Capacitance (A0-A11)
Input Capacitance (RAS#,CAS#,WE#)
Input Capacitance (CKE0)
Input Capacitance (CLK0)
Input Capacitance (CS0#)
Input Capacitance (DQM0-DQM7)
Input Capacitance (BA0-BA1)
Data Input/Output Capacitance (DQ0-DQ63)
Data Input/Output Capacitance (CB0-7)
Symbol
Max
CIN1
40
CIN2
40
CIN3
40
CIN4
20
CIN5
40
CIN6
7
CIN7
40
COUT
10
COUT1
10
Unit
Note
V
V
1
V
2
V
IOH= -2mA
V
IOL= -2mA
µA
3
Unit
pF
pF
pF
pF
pF
pF
pF
pF
pF
June 2004
Rev 2
3
White Electronic Designs Corporation • [phone] • www.wedc.com