參數資料
型號: PCA9554ADBRG4
廠商: TEXAS INSTRUMENTS INC
元件分類: 微控制器/微處理器
英文描述: 8 I/O, PIA-GENERAL PURPOSE, PDSO16
封裝: GREEN, PLASTIC, SSOP-16
文件頁數: 10/39頁
文件大?。?/td> 985K
代理商: PCA9554ADBRG4
PARAMETER MEASUREMENT INFORMATION
RL = 1 k
VCC
CL = 50 pF
(see Note A)
tbuf
ticr
tsth
tsds
tsdh
ticf
ticr
tscl
tsch
tsts
tPHL
tPLH
0.3
× VCC
Stop
Condition
tsps
Repeat
Start
Condition
Start or
Repeat
Start
Condition
SCL
SDA
Start
Condition
(S)
Address
Bit 7
(MSB)
Data
Bit 10
(LSB)
Stop
Condition
(P)
Three Bytes for Complete
Device Programming
SDA LOAD CONFIGURATION
VOLTAGE WAVEFORMS
ticf
Stop
Condition
(P)
tsp
DUT
SDA
0.7
× VCC
0.3
× VCC
0.7
× VCC
R/W
Bit 0
(LSB)
ACK
(A)
Data
Bit 07
(MSB)
Address
Bit 1
Address
Bit 6
BYTE
DESCRIPTION
1
I2C address
2, 3
P-port data
SCPS127D – SEPTEMBER 2006 – REVISED AUGUST 2008........................................................................................................................................... www.ti.com
A.
CL includes probe and jig capacitance.
B.
All inputs are supplied by generators having the following characteristics: PRR
≤ 10 MHz, ZO = 50 , tr/tf ≤ 30 ns.
C.
All parameters and waveforms are not applicable to all devices.
Figure 10. I2C Interface Load Circuit and Voltage Waveforms
18
Copyright 2006–2008, Texas Instruments Incorporated
Product Folder Link(s): PCA9554A
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