W3EG6418S-D3 Datasheet, PDF (4/12 Pages) White Electronic Designs Corporation – 128MB - 16Mx64 DDR SDRAM UNBUFFERED

White Electronic Designs
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
W3EG6418S-D3
-JD3
PRELIMINARY
Value
-0.5 to 3.6
-1.0 to 3.6
-55 to +150
8
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
VCCQ
VREF
VTT
VIH
VIL
VOH
VOL
2.3
2.7
V
2.3
2.7
V
1.15
1.35
V
1.15
1.35
V
VREF + 0.15
VCCQ + 0.3
V
-0.3
VREF -0.15
V
VTT + 0.76
—
V
—
VTT-0.76
V
Parameter
Input Capacitance (A0-A11)
Input Capacitance (RAS#,CAS#,WE#)
Input Capacitance (CKE0, CKE1)
Input Capacitance (CK0#,CK0)
Input Capacitance (CS0#, CS1#)
Input Capacitance (DQM0-DQM8)
Input Capacitance (BA0-BA1)
Data input/output capacitance (DQ0-DQ63)(DQS)
CAPACITANCE
TA = 25°C. f = 1MHz, VCC = 2.5V ± 0.2V
Symbol
CIN1
CIN2
CIN3
CIN4
CIN5
CIN6
CIN7
COUT
Max
Unit
26
pF
26
pF
26
pF
26
pF
26
pF
8
pF
26
pF
8
pF
White Electronic Designs Corp. reserves the right to change products or specifications without notice.
May 2005
Rev. 3
4
White Electronic Designs Corporation • [phone] • www.wedc.com