參數資料
| 型號： | X9408YV24ZT1 |
| 廠商： | Intersil |
| 文件頁數： | 14/20頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC XDCP QUAD 64-TAP 2.5K 24TSSOP |
| 標準包裝： | 2,500 |
| 系列： | XDCP™ |
| 接片： | 64 |
| 電阻（歐姆）： | 2.5k |
| 電路數： | 4 |
| 溫度系數： | 標準值 ±300 ppm/°C |
| 存儲器類型： | 非易失 |
| 接口： | I²C（設備位址） |
| 電源電壓： | 4.5 V ~ 5.5 V |
| 工作溫度： | 0°C ~ 70°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 24-TSSOP（0.173"，4.40mm 寬） |
| 供應商設備封裝： | 24-TSSOP |
| 包裝： | 帶卷 (TR) |
3
FN8191.4
January 15, 2009
Pin Descriptions
Host Interface Pins
SERIAL CLOCK (SCL)
The SCL input is used to clock data into and out of the
X9408.
SERIAL DATA (SDA)
SDA is a bidirectional pin used to transfer data into and out
of the device. It is an open drain output and may be wire-
ORed with any number of open drain or open collector
outputs. An open drain output requires the use of a pull-up
resistor. For selecting typical values, refer to the guidelines
for calculating typical values on the bus pull-up resistors
graph.
DEVICE ADDRESS (A0 - A3)
The address inputs are used to set the least significant 4 bits
of the 8-bit slave address. A match in the slave address
serial data stream must be made with the address input in
order to initiate communication with the X9408. A maximum
of 16 devices may occupy the 2-wire serial bus.
Potentiometer Pins
VH/RH (VH0/RH0 - VH3/RH3), VL/RL (VL0/RL0 - VL3/RL3)
The VH/RH and VL/RL inputs are equivalent to the terminal
connections on either end of a mechanical potentiometer.
VW/RW (VW0/RW0 – VW3/RW3)
The wiper outputs are equivalent to the wiper output of a
mechanical potentiometer.
HARDWARE WRITE PROTECT INPUT (WP)
The WP pin when low prevents nonvolatile writes to the Data
Registers.
ANALOG SUPPLIES V+, V-
The Analog Supplies V+, V- are the supply voltages for the
XDCP analog section.
Pin Assignments
Pinouts
X9408
(24 LD DIP/SOIC)
TOP VIEW
X9408
(24 LD TSSOP)
TOP VIEW
SYMBOL
DESCRIPTION
SCL
Serial Clock
SDA
Serial Data
A0-A3
Device Address
VH0/RH0 - VH3/RH3, VL0/RL0
- VL3/RL3
Potentiometer Pins
(terminal equivalent)
VW0/RW0 - VW3/RW3
Potentiometer Pins
(wiper equivalent)
WP
Hardware Write Protection
V+,V-
Analog Supplies
VCC
System Supply Voltage
VSS
System Ground
NC
No Connection
1
2
3
4
5
6
7
8
9
10
11
12
VCC
VL0/RL0
VH0/RH0
VW0/RW0
A2
WP
SDA
A1
VL1/RL1
VH1/RH1
VW1/RW1
VSS
16
17
18
19
20
21
22
23
24
15
14
13
V+
VH3/RH3
VW3/R/RH1
A0
NC
SCL
VH2/RH2
VW2/RW2
V-
VL3/RL3
A3
VL2/RL2
1
2
3
4
5
6
7
8
9
10
11
12
SDA
A1
VL1/RL1
VH1/RH1
VW1/RW1
VSS
V-
VW2/RW2
VH2/RH2
VL2/RL2
SCL
A3
16
17
18
19
20
21
22
23
24
15
14
13
WP
VW0/RW0
VH0/RH0
VL0/RL0
VCC
VL3/RL3
VW3/RW3
A0
NC
A2
V+
VH3/RH3
X9408
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