参数资料
型号: S-7760A42XX-TCT1G
元件分类: 微控制器/微处理器
英文描述: SPECIALTY MICROPROCESSOR CIRCUIT, PDSO16
封装: LEAD FREE, TSSOP-16
文件页数: 53/53页
文件大小: 860K
代理商: S-7760A42XX-TCT1G
PROGRAMMABLE PORT CONTROLLER (PORT EXPANDER WITH BUILT-IN E2PROM CIRCUIT)
Rev.1.3_00
S-7760A
Seiko Instruments Inc.
9
AC Electrical Characteristics
Table 9 Measurement Conditions
Input pulse voltage
VIL = 0.1
× VCCH, VIH = 0.9 × VCCH
Rising/falling time of input pulse
20 ns
Output reference voltage
0.5
× VCCH
Output load
100 pF
+ Pull-up resistor 1.0 k
SDA
C=100 pF
VCCH
R=1.0 k
Figure 10 Output Load Circuit
Table 10 AC Electrical Characteristics
VCCH
= 2.3 to 4.5 V
Item
Symbol
Min.
Typ.
Max.
Unit
SCL clock frequency
*1
fSCL
0
400
kHz
SCL clock time “L”
*1
tLOW
1.3
s
SCL clock time “H”
*1
tHIGH
0.6
s
SDA output delay time
*1
tAA
0.9
s
SDA output hold time
*1
tDH
50
ns
Start condition setup time
*1
tSU.STA
0.6
s
Start condition hold time
*1
tHD.STA
0.6
s
Data input setup time
*1
tSU.DAT
100
ns
Data input hold time
*1
tHD.DAT
0
ns
Stop condition setup time
*1
tSU.STO
0.6
s
SCL, SDA rise time
*1
tR
0.3
s
SCL, SDA fall time
*1
tF
0.3
s
Bus release time
*1
tBUF
1.3
s
Noise suppression time
*1
tI
50
ns
Frequency for external
oscillation input
*2
fTEX
400
kHz
*1.
The timing is defined by 10% and 90% of the waveform.
*2.
When selecting the option for external oscillation input.
SCL
SDA IN
SDA OUT
tBUF
tR
tSU.STO
tSU.DAT
tHD.DAT
tDH
tAA
tHIGH
tLOW
tHD.STA
tSU.STA
tF
Figure 11 Bus Timing
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