W3EG72129S-JD3 Datasheet, PDF (4/12 Pages) White Electronic Designs Corporation – 1GB - 2x64Mx72 DDR SDRAM REGISTERED w/PLL

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
W3EG72129S-JD3
PRELIMINARY
Value
-0.5 to 3.6
-1.0 to 3.6
-55 to +150
18
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-A12)
Input Capacitance (RAS#,CAS#,WE#)
Input Capacitance (CKE0)
Input Capacitance (CK0#,CK0)
Input Capacitance (CS0#)
Input Capacitance (DQM0-DQM8)
Input Capacitance (BA0-BA1)
Data input/output capacitance (DQ0-DQ63)(DQS)
Data input/output capacitance (CB0-CB7)
CAPACITANCE
TA = 25°C. f = 1MHz, VCC = 2.5V
Symbol
CIN1
CIN2
CIN3
CIN4
CIN5
CIN6
CIN7
COUT
COUT
Max
Unit
6.5
pF
6.5
pF
6.5
pF
5.5
pF
6.5
pF
8
pF
6.5
pF
8
pF
8
pF
October 2005
Rev. 3
4
White Electronic Designs Corporation • [phone] • www.wedc.com