W3EG6462S-D3 Datasheet, PDF (4/13 Pages) White Electronic Designs Corporation – 512MB - 2x32Mx64 DDR SDRAM UNBUFFERED

White Electronic Designs
W3EG6462S-D3
-JD3
ADVANCED
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
-0.5 to 3.6
-1.0 to 3.6
-55 to +150
16
50
Units
V
V
°C
W
mA
Parameter
Supply Voltage
Supply Voltage
Reference Voltage
Termination Voltage
Input High Voltage
Input Low Voltage
Output High Voltage
Output Low Voltage
DC CHARACTERISTICS
0°C ≤ TA ≤ 70°C, VCC = 2.5V ± 0.2V
Symbol
Min
Max
Unit
VCC
2.3
2.7
V
VCCQ
2.3
2.7
V
VREF
1.15
1.35
V
VTT
1.15
1.35
V
VIH
VREF + 0.15
VCCQ + 0.3
V
VIL
-0.3
VREF - 0.15
V
VOH
VTT + 0.76
—
V
VOL
—
VTT-0.76
V
CAPACITANCE
TA = 25°C. f = 1MHz, VCC = 2.5V ±0.2V, 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, CKE1)
CIN3
26
pF
Input Capacitance (CK0, CK0#)
CIN4
50
pF
Input Capacitance (CS0#, CS1#)
CIN5
26
pF
Input Capacitance (DQM0-DQM8)
CIN6
13
pF
Input Capacitance (BA0-BA1)
CIN7
50
pF
Data input/output capacitance (DQ0-DQ63)(DQS)
COUT
13
pF
May 2005
Rev. 4
4
White Electronic Designs Corporation • [phone] • www.wedc.com