Datasheet

晶汉达 · JHD
MODEL: JHD1804
4.3 AC Characteristic (VCC =2.7to 4.5V , TA = 25 )
Characteristic Symbol Condition Min. Typ. Max. Unit
SCL Cycle Time tSCYC
Write Mode (Refer to
200 - -
SCL Pulse Width (High) tSHW 20 - -
SCL Pulse Width (Low) tSLW 160 - -
SCL Rise / Fall Time tr,tf - - 20
Write
Mode
(Refer
to
Fig-1)
ns
Data Setup Time tSDS 10 - -
Data Hold Time tSDH 10 - -
SCL Cycle Time tSCYC 20 - -
SCL Pulse Width (High) tSHW 200 - -
SCL Frequency fSCLK - - 400 KHZ
Read Mode (Refer to
Fi
g
-2
)
SCL Pulse Width (High) tSHW 0.6 - -
us
SCL Pulse Width (Low) tSLW 1.3 - -
Data Setup Time tSU:DAT 180 - - ns
Data Hold Time tHD:DAT 0 - 0.9 us
SCL/SDA Rise / Fall Time tr,tf 20 - 300 ns
g
)
START Setup Time tSU:STA 0.6 - - us
START Hold Time tHD:STA 0.6 - - us
STOPSetup Time tSU:STO 0.6 - - us
STOP-START Time tBUF 1.3 - - us
Characteristic Symbol Condition Min. Typ. Max. Unit
SCL Cycle Time tSCYC 100 - -
4.4 AC Characteristic (VCC =4.5to 5.5V , TA = 25 )
Write Mode (Refer to
Fig
-
1)
ns
SCL Pulse Width (High) tSHW 20 - -
SCL Pulse Width (Low) tSLW 160 - -
SCL Rise / Fall Time tr,tf - - 20
Data Setup Time
tSDS
10
--
Fig
1)
Data
Setup
Time
tSDS
10
Data Hold Time tSDH 10 - -
SCL Cycle Time tSCYC 20 - -
SCL Pulse Width (High) tSHW 350 - -
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