W3EG72255S-D3 Datasheet, PDF (4/15 Pages) White Electronic Designs Corporation – 2GB - 2x128Mx72 DDR SDRAM REGISTERED ECC, w/PLL

White Electronic Designs
W3EG72255S-D3
-JD3
-AJD3
PRELIMINARY
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
I0S
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 - 3.6
-1.0 - 3.6
-55 - +150
27
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
VCC
VCCQ
VREF
VTT
VIH
VIL
VOH
VOL
Min
2.3
2.3
1.15
1.15
VREF + 0.15
-0.3
VTT + 0.76
—
Max
2.7
2.7
1.35
1.35
VCCQ + 0.3
VREF - 0.15
—
VTT - 0.76
CAPACITANCE
TA = 25°C, f = 1MHz, VCC = 2.5V ± 0.2V
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)
Symbol
CIN1
CIN2
CIN3
CIN4
CIN5
CIN6
CIN7
COUT
COUT
Max
6.25
6.25
6.25
5.5
6.25
13.0
6.25
13.0
13.0
Unit
V
V
V
V
V
V
V
V
Unit
pF
pF
pF
pF
pF
pF
pF
pF
pF
November 2004
Rev. 2
4
White Electronic Designs Corporation • [phone] • www.wedc.com