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參數(shù)資料
型號(hào): PCA9500PW,118
廠(chǎng)商: NXP Semiconductors
文件頁(yè)數(shù): 9/26頁(yè)
文件大小: 0K
描述: IC I/O EXPANDER I2C 8B 16TSSOP
標(biāo)準(zhǔn)包裝: 2,500
接口: I²C,SM 總線(xiàn)
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
17 of 26
NXP Semiconductors
PCA9500
8-bit I2C-bus and SMBus I/O port with 2-kbit EEPROM
Fig 22. I2C-bus timing
SCL
SDA
tHD;STA
tSU;DAT
tHD;DAT
tf
tBUF
tSU;STA
tLOW
tHIGH
tVD;ACK
002aab175
tSU;STO
protocol
START
condition
(S)
bit 7
MSB
(A7)
bit 6
(A6)
bit 0
(R/W)
acknowledge
(A)
STOP
condition
(P)
1/fSCL
tr
tVD;DAT
Fig 23. Write cycle timing
002aad310
STOP
condition
START
condition
Tcy(W)
ACK
8th bit
word n
SCL
SDA
memory
address
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