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參數(shù)資料
型號(hào): PCA9500PW,118
廠商: NXP Semiconductors
文件頁(yè)數(shù): 21/26頁(yè)
文件大?。?/td> 0K
描述: IC I/O EXPANDER I2C 8B 16TSSOP
標(biāo)準(zhǔn)包裝: 2,500
接口: I²C,SM 總線
輸入/輸出數(shù): 8
中斷輸出: 無(wú)
頻率 - 時(shí)鐘: 400kHz
電源電壓: 2.5 V ~ 3.6 V
工作溫度: -40°C ~ 85°C
安裝類(lèi)型: 表面貼裝
封裝/外殼: 16-TSSOP(0.173",4.40mm 寬)
供應(yīng)商設(shè)備封裝: 16-TSSOP
包裝: 帶卷 (TR)
包括: EEPROM,POR
其它名稱(chēng): 935271534118
PCA9500PW-T
PCA9500PW-T-ND
PCA9500_4
NXP B.V. 2009. All rights reserved.
Product data sheet
Rev. 04 — 15 April 2009
4 of 26
NXP Semiconductors
PCA9500
8-bit I2C-bus and SMBus I/O port with 2-kbit EEPROM
6.2 Pin description
[1]
HVQFN16 package supply ground is connected to both VSS pin and exposed center pad. VSS pin must be
connected to supply ground for proper device operation. For enhanced thermal, electrical, and board level
performance, the exposed pad needs to be soldered to the board using a corresponding thermal pad on the
board and for proper heat conduction through the board, thermal vias need to be incorporated in the
printed-circuit board in the thermal pad region.
Fig 4.
Pin conguration for HVQFN16
SCL
WC
IO7
IO6
002aae584
PCA9500BS
Transparent top view
IO3
V
SS
IO4
IO5
A1
A2
V
DD
SDA
4
9
3
10
2
11
1
12
5
6
7
8
16
15
14
13
terminal 1
index area
A2
IO0
IO1
IO2
Table 3.
Pin description
Symbol
Pin
Description
SO16, TSSOP16
HVQFN16
A0
1
15
address lines (internal pull-up)
A1
2
16
A2
3
1
IO0
4
2
quasi-bidirectional I/O pins
IO1
5
3
IO2
6
4
IO3
7
5
IO4
9
7
IO5
10
8
IO6
11
9
IO7
12
10
VSS
86[1]
supply ground
WC
13
11
active LOW write control pin
SCL
14
12
I2C-bus serial clock
SDA
15
13
I2C-bus serial data
VDD
16
14
supply voltage
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