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W9425G6EH Datasheet, PDF (24/50 Pages) Winbond – 4 M × 4 BANKS × 16 BITS DDR SDRAM
W9425G6EH
9.3 Capacitance
(VDD = VDDQ = 2.5V ±0.2V, f = 1 MHz, TA = 25 °C, VOUT (DC) = VDDQ/2, VOUT (Peak to Peak) = 0.2V)
SYMBOL
PARAMETER
MIN.
MAX.
CIN
Input Capacitance (except for CLK pins)
2.0
3.0
CCLK Input Capacitance (CLK pins)
2.0
3.0
CI/O
DQ, DQS, DM Capacitance
4.0
5.0
CNC
NC Pin Capacitance
-
1.5
Notes: These parameters are periodically sampled and not 100% tested.
The NC pins have additional capacitance for adjustment of the adjacent pin capacitance.
DELTA
(MAX.)
0.5
0.25
0.5
-
UNIT
pF
pF
pF
pF
9.4 Leakage and Output Buffer Characteristics
SYMBOL
II (L)
IO (L)
VOH
VOL
IOH (DC)
IOL (DC)
IOH (DC)
IOL (DC)
PARAMETER
Input Leakage Current
(0V < VIN < VDDQ, All other pins not under test = 0V)
Output Leakage Current
(Output disabled, 0V < VOUT < VDDQ)
Output High Voltage
(under AC test load condition)
Output Low Voltage
(under AC test load condition)
Output Minimum Source DC Current
Full
Strength
Output Minimum Sink DC Current
Output Minimum Source DC Current
Output Minimum Sink DC Current
Half
Strength
MIN.
-2
-5
VTT +0.76
-
-15.2
15.2
-10.4
10.4
MAX.
2
UNIT NOTES
µA
5
µA
-
V
VTT -0.76 V
-
mA
4, 6
-
mA
4, 6
-
mA
5
-
mA
5
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Publication Release Date:Apr. 11, 2008
Revision A04