參數(shù)資料
型號: W942504CH-7
廠商: WINBOND ELECTRONICS CORP
元件分類: DRAM
英文描述: 64M X 4 DDR DRAM, 0.75 ns, PDSO66
封裝: 0.400 X 0.875 INCH, 0.65 MM PITCH, TSOP2-66
文件頁數(shù): 44/45頁
文件大?。?/td> 1261K
代理商: W942504CH-7
W942504CH
- 8 -
Capacitance
(VDD = VDDQ = 2.5V
±0.2V, f = 1 MHz, TA = 25°C, VOUT(DC) = VDDQ/2, VOUT (Peak to Peak) = 0.2V)
SYM.
PARAMETER
MIN.
MAX.
DELTA (MAX.)
UNIT
CIN
Input Capacitance (except for CLK pins)
2.0
3.0
0.5
pF
CCLK
Input Capacitance (CLK pins)
2.0
3.0
0.25
pF
CI/O
DQ, DQS, DM Capacitance
4.0
5.0
0.5
pF
CNC1
NC1 pin Capacitance
-
1.5
-
pF
CNC2
NC2 Pin Capacitance
4.0
5.0
-
pF
Note: These parameters are periodically sampled and not 100% tested.
The NC2 pins have additional capacitance for adjustment of the adjacent pin capacitance.
The NC2 pins have Power and Ground clamp.
Leakage and Output Buffer Characteristics
SYM.
PARAMETER
MIN.
MAX.
UNITS
NOTES
II(L)
Input Leakage Current
(0V < VIN < VDDQ, All other pins not under test = 0V)
-2
2
A
IO(L)
Output Leakage Current
(Output disabled, 0V < VOUT < VDDQ)
-5
5
A
VOH
Output High Voltage
(Under AC test load condition)
VTT
+0.76
-
V
VOL
Output Low Voltage
(Under AC test load condition)
-
VTT
-0.76
V
IOH
(DC)
Output Minimum Source DC Current
-15.2
-
mA
4, 6
IOL
(DC)
Output Minimum Sink DC Current
Full
Strength
15.2
-
mA
4, 6
IOH
(DC)
Output Minimum Source DC Current
-10.4
-
mA
5
IOL
(DC)
Output Minimum Sink DC Current
Half
Strength
10.4
-
mA
5
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