Transcend Information CompactFlash CF 300X - Manual (Page 14)

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300X CompactFlash Card
Transcend Information Inc.
V1.1
14
Output Drive Characteristics for UDMA mode > 4
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: 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 VoH2 the output shall
be able to supply and sink current toVDD3)
V
oH2
V
DD3
–0.51 V
DD3
+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 μ A 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 μ A of leakage current into a 6.2 KΩ pull-down resistor while the INTRQ signal is in the released
state.
Signal Interface
Electrical specifications shall be maintained to ensure data reliability. Additional requirements are necessary for
Advanced Timing Modes and Ultra DMA modes operations. See next sections for additional information.