W942508CH Datasheet, PDF (9/47 Pages) Winbond – 8M x 4 BANKS x 8 BIT DDR SDRAM

W942508CH
7.3 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
CCLK
CI/O
CNC1
CNC2
Input Capacitance (except for CLK pins)
Input Capacitance (CLK pins)
DQ, DQS, DM Capacitance
NC1 Pin Capacitance
NC2 Pin Capacitance
2.0
3.0
2.0
3.0
4.0
5.0
-
1.5
4.0
5.0
DELTA
(MAX.)
0.5
0.25
0.5
-
-
Notes: 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.
UNIT
pF
pF
pF
pF
pF
7.4 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)
Full Strength
Output Minimum Source DC Current
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. UNITS NOTES
2
µA
5
µA
-
V
VTT
-0.76
V
-
mA
4, 6
-
mA
4, 6
-
mA
5
-
mA
5
Publication Release Date: May 21, 2003
-9-
Revision A3