SanDisk SDCFH-004G Product Manual - Page 26

Electrical Specification

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Interface Description SanDisk CompactFlash Card OEM Product Manual Table 3-4 Signal Description Signal Name Dir. Pin -IOIS16 (PC Card I/O Mode) -IOCS16 (True IDE Mode) Description I/O Operation-When the card is configured for I/O Operation, pin 24 is used for the -I/O Selected is 16 Bit Port (-IOIS16) function. A low signal indicates that a 16-bit or odd-byte only operation can be performed at the addressed port. This output signal is asserted low when this device is expecting a word data transfer cycle. 3.3 Electrical Specification All D.C. Characteristics for the CompactFlash Memory Card Series are defined as follows: Typical conditions unless otherwise stated: VCC = 5V +/- 10% VCC = 3.3V +/- 5% Ta = 0 ° C to 60 ° C Absolute Maximum conditions: VCC = -0.3V min. to 6.5V max. V* = 0.5V min. to VCC + 0.5V max. *Voltage on any pin except VCC with respect to GND. 3.3.1 Input Leakage Control and Input Characteristics In Table 3-5, "x" refers to the characteristics described in Table 3-6. For example-"I1U" indicates a pull-up resistor with a Type 1 input characteristic. Table 3-5 Input Leakage Control Type lxZ IxU IxD Parameter Input Leakage Current Pull Up Resistor Pull Down Resistor Symbol IL RPU1 RPD1 Conditions Vih=VCC/Vil=GND VCC=5.0V VCC=5.0V MIN MAX Unit -1 1 uA 50k 500k Ohm 50k 500k Ohm NOTE: The minimum pull-up resistor leakage current meets the PCMCIA specification of 10k ohms but is intentionally higher in the CompactFlash Memory Card Series product to reduce power use. 02/07, Rev. 12.0 3-8 © 2007 SanDisk Corporation

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Interface Description
SanDisk CompactFlash Card OEM Product Manual
Table 3-4
Signal Description
Signal Name
Dir.
Pin
Description
-IOIS16
(PC Card I/O Mode
)
-IOCS16
(True IDE Mode
)
I/O Operation–When the card is configured for
I/O Operation, pin 24 is used for the -I/O
Selected is 16 Bit Port (-IOIS16) function. A low
signal indicates that a 16-bit or odd-byte only
operation can be performed at the addressed
port.
This output signal is asserted low when this
device is expecting a word data transfer cycle.
3.3
Electrical Specification
All D.C. Characteristics for the CompactFlash Memory Card Series are defined as follows:
Typical conditions unless otherwise stated:
V
CC
= 5V +/- 10%
V
CC
= 3.3V +/- 5%
Ta = 0
°
C to 60
°
C
Absolute Maximum conditions:
V
CC
= -0.3V min. to 6.5V max.
V* = 0.5V min. to V
CC
+ 0.5V max.
*Voltage on any pin except V
CC
with respect to GND.
3.3.1
Input Leakage Control and Input Characteristics
In Table 3-5, “x” refers to the characteristics described in Table 3-6. For example–"I1U"
indicates a pull-up resistor with a Type 1 input characteristic.
Table 3-5
Input Leakage Control
Type
Parameter
Symbol
Conditions
MIN
MAX
Unit
lxZ
Input Leakage Current
IL
Vih=VCC/Vil=GND
-1
1
uA
IxU
Pull Up Resistor
RPU1
VCC=5.0V
50k
500k
Ohm
IxD
Pull Down Resistor
RPD1
VCC=5.0V
50k
500k
Ohm
NOTE
:
The minimum pull-up resistor leakage current meets the PCMCIA
specification of 10k ohms but is intentionally higher in the
CompactFlash Memory Card Series product to reduce power use.
02/07, Rev. 12.0
3-8
© 2007 SanDisk Corporation