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參數(shù)資料
型號: PCA9575PW2,118
廠商: NXP Semiconductors
文件頁數(shù): 20/38頁
文件大?。?/td> 0K
描述: IC I2C/SMBUS 16BIT GPIO 28TSSOP
產品培訓模塊: I²C Bus Fundamentals
特色產品: NXP - I2C Interface
標準包裝: 1
接口: I²C,SM 總線
輸入/輸出數(shù): 16
中斷輸出:
頻率 - 時鐘: 400kHz
電源電壓: 1.1 V ~ 3.6 V
工作溫度: -40°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 28-TSSOP(0.173",4.40mm 寬)
供應商設備封裝: 28-TSSOP
包裝: 標準包裝
包括: POR
其它名稱: 568-6647-6
PCA9575_3
NXP B.V. 2009. All rights reserved.
Product data sheet
Rev. 03 — 9 November 2009
27 of 38
NXP Semiconductors
PCA9575
16-bit I2C-bus and SMBus, level translating, low voltage GPIO
13. Dynamic characteristics
a. VDD(IO)0 or VDD(IO)1 = 1.8 V
b. VDD(IO)0 or VDD(IO)1 = 2.6 V
Fig 21. IOH versus VOH
8
16
24
IOH
(mA)
0
VDD VOH (V)
0
0.8
0.6
0.2
0.4
002aaf071
Tamb = 40 °C
+25
°C
+85
°C
0
30
20
10
40
IOL
(mA)
VDD VOH (V)
0
0.8
0.6
0.2
0.4
002aaf072
Tamb = 40 °C
+25
°C
+85
°C
Table 22.
Dynamic characteristics
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
fSCL
SCL clock frequency
0
100
0
400
kHz
tBUF
bus free time between a STOP and
START condition
4.7
-
1.3
-
s
tHD;STA
hold time (repeated) START
condition
4.0
-
0.6
-
s
tSU;STA
set-up time for a repeated START
condition
4.7
-
0.6
-
s
tSU;STO
set-up time for STOP condition
4.0
-
0.6
-
s
tVD;ACK
data valid acknowledge time
0.3
3.45
0.1
0.9
s
tHD;DAT
data hold time
0
-
0
-
ns
tVD;DAT
data valid time
300
-
50
-
ns
tSU;DAT
data set-up time
250
-
100
-
ns
tLOW
LOW period of the SCL clock
4.7
-
1.3
-
s
tHIGH
HIGH period of the SCL clock
4.0
-
0.6
-
s
tf
fall time of both SDA and SCL
signals
-
300
20 + 0.1Cb[3]
300
ns
tr
rise time of both SDA and SCL
signals
-
1000
20 + 0.1Cb[3]
300
ns
tSP
pulse width of spikes that must be
suppressed by the input lter
-
50
-
50
ns
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