W3EG64129S-D3 Datasheet, PDF (4/8 Pages) White Electronic Designs Corporation – 1G- 128Mx64 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
W3EG64129S-D3
PRELIMINARY
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
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
CAPACITANCE
TA = 25°C. f = 1MHz, VCC = 2.5V, VREF = 1.4V ± 200mV
Parameter
Input Capacitance (A0-A11)
Input Capacitance (RAS#,CAS#,WE#)
Input Capacitance (CKE0, CKE1)
Input Capacitance (CK0-2,CK0-2#)
Input Capacitance (CS0#, CS1#)
Input Capacitance (DQM0-DQM8)
Input Capacitance (BA0-BA1)
Data input/output capacitance (DQ0-DQ63)(DQS)
Symbol
CIN1
CIN2
CIN3
CIN4
CIN5
CIN6
CIN7
COUT
Max
Unit
53
pF
53
pF
29
pF
18
pF
29
pF
8
pF
53
pF
8
pF
June 2004
Rev. 0
4
White Electronic Designs Corporation • [phone] • www.wedc.com