參數(shù)資料
型號(hào): LA79200V
廠(chǎng)商: Sanyo Electric Co.,Ltd.
英文描述: Monolithic Linear IC For extention of I2C-BUS compatible microcomputer I/O port
中文描述: 單片集成電路對(duì)于線(xiàn)性延伸的I2C總線(xiàn)兼容微機(jī)I / O端口
文件頁(yè)數(shù): 5/8頁(yè)
文件大小: 165K
代理商: LA79200V
LA79200V
No.A0258-5/8
IIC input/output conditions
at Ta = 25
°
C, VCC = 5V
Standard
High speed
Parameter
Symbol
min
max
min
max
Unit
SCL Frequency
FSCL
0
100
0
400
kHz
BUS free time between stop - start
tBUF
tHD;STA
tLOW
thigh
tSU;STA
tHD;DAT
tSU;DAT
tR
tF
4.7
1.3
μ
s
HOLD time of start, restart condition
4.0
0.6
μ
s
L time of SCL
4.7
1.3
μ
s
H time of SCL
4.0
0.6
μ
s
Set-up time of restart condition
4.7
0.6
μ
s
HOLD time of SDA
0
0
0.9
μ
s
Set-up time of SDA
250
100
ns
Rising time of SDA, SCL
1000
20+0.1Cb
300
ns
Falling time of SDA, SCL
300
20+0.1Cb
300
ns
Refer to figure 1
(Note) Cb : Total capacitance of all BUS (Unit : pF)
IIC BUS INPUT Timing
IIC timing
Pin Assignment
PIN
FUNCTION
PIN
FUNCTION
1
VCC 5V
DA Output 0
16
SDA
2
15
CLK
3
DA Output 1
14
ADDRESS
4
N.C.
13
I/O 0
5
I/O 7
12
I/O 1
6
I/O 6
11
I/O 2
7
I/O 5
10
I/O 3
8
I/O 4
9
GND
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