User Manual

SanDisk CompactFlash Card OEM Product Manual Interface Description
02/09, Rev. 1.0 ii © 2007 - 2009 SanDisk Corporation. SanDisk Confidential, subject to all applicable non-disclosure agreements.
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2 Output Voltage Voh
Vol
Ioh = -4 mA
Iol = 4 mA
2.4V
0.4V
Volts
3 Output Voltage Voh
Vol
Ioh = -4 mA
Iol = 4 mA
2.4V
0.4V
Volts
X Tri-State
Leakage Current
Ioz Vol = Gnd
Voh = Vcc
-10
10 µA
In UDMA modes greater than 4, the characteristics specified in the following table apply. Voltage
output high and low values shall be met at the source connector to include the effect of series
termination.
Table 3-10 Output Drive Characteristics (UDMA Mode > 4)
Parameter Symbol MIN MAX Units
DC supply voltage to drivers V
DD3
3.3 - 8% 3.3 + 8% Volts
Voltage output high at -6 mA to +3 mA
(at V
oH2
the output shall be able to
supply and sink current to V
DD3
)
V
oH2
VDD
3
- 0.51 VDD
3
+
0.3
Volts
Voltage output low at 6 mA V
oL2
0.51 Volts
Notes:
1) I
oLDASP
shall be 12 mA minimum to meet legacy timing and signal integrity.
2) I
oH
value at 400 μA is insufficient in the case of DMARQ that is pulled low by a 5.6 kΩ resistor.
3) Voltage output high and low values shall be met at the source connector to include the effect of series
termination.
4) A device shall have less than 64 μA of leakage current into a 6.2 KΩ pull-down resistor while the INTRQ
signal is in the released state.