參數(shù)資料
型號： PCA9538
廠商： NXP Semiconductors N.V.
英文描述： 8-bit I2C and SMBus low power I/O port with interrupt and reset
中文描述： 8位I2C和SMBus低功率的I / O端口中斷和復(fù)位
文件頁數(shù)： 13/18頁
文件大?。?/td> 197K
代理商： PCA9538
Philips Semiconductors
8-bit I
2
C and SMBus low power I/O port
with interrupt and reset
Product data sheet
PCA9538
2004 Oct 05
13
PROTOCOL
SCL
SDA
tHD;STA
tSU;DAT
tHD;DAT
tVD;DAT
tf
r
t
tBUF
tSU;STA
tLOW
tHIGH
1 / fSCL
START
CONDITION
(S)
BIT 7
MSB
(A7)
BIT 6
(A6)
tVD;ACK
SW02210
STOP
CONDITION
(S)
BIT 0
(R/W)
ACKNOWLEDGE
(A)
t
SU;STO
Figure 17. I
2
C-bus timing diagram; rise and fall times refer to V
IL
and V
IH
TEST CIRCUITS
PULSE
GENERATOR
V
I
V
O
L
C
V
DD
DEFINITIONS
R
L
=
Load resistor.
C
L
=
Load capacitance includes jig and probe capacitance
R
T
=
Termination resistance should be equal to the output
impedance Z
O
of the pulse generators.
V
DD
Open
R
T
D.U.T.
R
L
= 500
SW02181
Figure 18. Test circuitry for switching times
C
L
= 50 pF
500
Load Circuit
TEST
S1
t
pv
2 V
DD
SA00652
500
From Output
Under Test
S1
2V
DD
Open
GND
Figure 19. Test circuit
相關(guān)PDF資料
PDF描述
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
PCA9538_1 制造商:TI 制造商全稱:Texas Instruments 功能描述:REMOTE 8-BIT I2C AND SMBus LOW-POWER I/O EXPANDER WITH INTERRUPT OUTPUT, RESET, AND CONFIGURATION REGISTERS
PCA9538A 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Low-voltage 8-bit I2C-bus I/O port with interrupt and reset
PCA9538ABS 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Low-voltage 8-bit I2C-bus I/O port with interrupt and reset
PCA9538ABSHP 功能描述:接口-I/O擴(kuò)展器 8bit I2C IO Port RoHS:否 制造商:NXP Semiconductors 邏輯系列: 輸入/輸出端數(shù)量: 最大工作頻率:100 kHz 工作電源電壓:1.65 V to 5.5 V 工作溫度范圍:- 40 C to + 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:HVQFN-16 封裝:Reel
PCA9538APW 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Low-voltage 8-bit I2C-bus I/O port with interrupt and reset
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