參數(shù)資料
型號: PCA9546A
廠商: NXP Semiconductors N.V.
英文描述: 4-channel I2C switch with reset
中文描述: 4通道的I2C開關(guān)與復(fù)位
文件頁數(shù): 16/25頁
文件大?。?/td> 144K
代理商: PCA9546A
9397 750 14318
Koninklijke Philips Electronics N.V. 2005. All rights reserved.
Product data sheet
Rev. 03 — 6 April 2005
16 of 25
Philips Semiconductors
PCA9546A
4-channel I
2
C switch with reset
Fig 15. Definition of timing on the I
2
C-bus
t
SP
t
BUF
t
HD;STA
P
P
S
t
LOW
t
r
t
HD;DAT
t
f
t
HIGH
t
SU;DAT
t
SU;STA
Sr
t
HD;STA
t
SU;STO
SDA
SCL
002aaa986
Fig 16. Definition of RESET timing
SDA
SCL
002aab174
t
rst
50 %
30 %
50 %
50 %
50 %
t
REC;STA
t
w(rst)L
RESET
LEDx
LED off
START
t
rst
ACK or read cycle
Rise and fall times refer to V
IL
and V
IH
.
Fig 17. I
2
C-bus timing diagram
SCL
SDA
t
HD;STA
t
SU;DAT
t
HD;DAT
t
f
t
BUF
t
SU;STA
t
LOW
t
HIGH
t
VD;ACK
002aab175
t
SU;STO
protocol
START
condition
(S)
bit 7
MSB
(A7)
bit 6
(A6)
bit 0
(R/W)
acknowledge
(A)
STOP
condition
(P)
1
/f
SCL
t
r
t
VD;DAT
相關(guān)PDF資料
PDF描述
PCA9546 4-channel I2C switch with reset
PCA9546D 4-channel I2C switch with reset
PCA9546PW 4-channel I2C switch with reset
PCA9549 Octal bus switch with individually I2C-bus controlled enables
PCA9555N 16-bit I2C and SMBus I/O port with interrupt
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
PCA9546A_1 制造商:TI 制造商全稱:Texas Instruments 功能描述:4-CHANNEL I2C AND SMBus SWITCH WITH RESET FUNCTION
PCA9546A_2 制造商:TI 制造商全稱:Texas Instruments 功能描述:4-CHANNEL I2C AND SMBus SWITCH WITH RESET FUNCTION
PCA9546A_3 制造商:TI 制造商全稱:Texas Instruments 功能描述:4-CHANNEL I2C AND SMBus SWITCH WITH RESET FUNCTION
PCA9546ABS 制造商:NXP Semiconductors 功能描述:
PCA9546ABS,118 功能描述:多路器開關(guān) IC I2C SWITCH 4CH RoHS:否 制造商:Texas Instruments 通道數(shù)量:1 開關(guān)數(shù)量:4 開啟電阻(最大值):7 Ohms 開啟時間(最大值): 關(guān)閉時間(最大值): 傳播延遲時間:0.25 ns 工作電源電壓:2.3 V to 3.6 V 工作電源電流: 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:UQFN-16