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參數(shù)資料
型號(hào): PCA9575PW2,118
廠商: NXP Semiconductors
文件頁(yè)數(shù): 21/38頁(yè)
文件大?。?/td> 0K
描述: IC I2C/SMBUS 16BIT GPIO 28TSSOP
產(chǎn)品培訓(xùn)模塊: I²C Bus Fundamentals
特色產(chǎn)品: NXP - I2C Interface
標(biāo)準(zhǔn)包裝: 1
接口: I²C,SM 總線
輸入/輸出數(shù): 16
中斷輸出:
頻率 - 時(shí)鐘: 400kHz
電源電壓: 1.1 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: 28-TSSOP(0.173",4.40mm 寬)
供應(yīng)商設(shè)備封裝: 28-TSSOP
包裝: 標(biāo)準(zhǔn)包裝
包括: POR
其它名稱(chēng): 568-6647-6
PCA9575_3
NXP B.V. 2009. All rights reserved.
Product data sheet
Rev. 03 — 9 November 2009
28 of 38
NXP Semiconductors
PCA9575
16-bit I2C-bus and SMBus, level translating, low voltage GPIO
[1]
tVD;ACK = time for acknowledgement signal from SCL LOW to SDA (out) LOW.
[2]
tVD;DAT = minimum time for SDA data out to be valid following SCL LOW.
[3]
Cb = total capacitance of one bus line in pF.
Port timing
tv(Q)
data output valid time
VDD(IO)0, VDD(IO)1 =
VDD = 1.1 V
-
350
-
350
ns
VDD(IO)0, VDD(IO)1 =
VDD = 2.3 V to 3.6 V
-
300
-
300
ns
tsu(D)
data input set-up time
150
-
150
-
ns
th(D)
data input hold time
1
-
1
-
s
Interrupt timing
tv(INT)
valid time on pin INT
-
4
-
4
s
trst(INT)
reset time on pin INT
-
4
-
4
s
Reset
tw(rst)
reset pulse width
VDD(IO)0, VDD(IO)1 =
VDD = 1.1 V
8-
8
-
ns
VDD(IO)0, VDD(IO)1 =
VDD = 2.3 V to 3.6 V
4-
4
-
ns
trec(rst)
reset recovery time
0
-
0
-
ns
trst(SDA)
SDA reset time
-
400
-
400
ns
trst(GPIO)
GPIO reset time
-
400
-
400
ns
Table 22.
Dynamic characteristics …continued
VDD = 1.1 V to 3.6 V; VDD(IO)0 = 1.1 V to 3.6 V; VDD(IO)1 = 1.1 V to 3.6 V; VSS =0V; Tamb = 40 °C to +85 °C; unless
otherwise specied.
Symbol
Parameter
Conditions
Standard-mode
I2C-bus
Fast-mode I2C-bus
Unit
Min
Max
Min
Max
Fig 22. Denition of timing
tSP
tBUF
tHD;STA
P
S
tLOW
tr
tHD;DAT
tf
tHIGH
tSU;DAT
tSU;STA
Sr
tHD;STA
tSU;STO
SDA
SCL
002aaa986
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