Cmsemicon SC7020 Series, User Manual

Page: 10 / 12

10 / 12
SC7020x
www.mcu.com.cn
Rev. 1.1
8. Electrical Characteristics
8.1 Limit Parameters of Electrical Characteristics
Limit Parameters
Parameter Symbol Conditions Rating Unit
Supply Voltage VDD - -0 to +5.5 V
Input Voltage VI All I/O port -0.3 to VDD+0.3 V
Working temperature TA - -40~ +85
℃
Storage Temperature TSTG - -50~ +125
℃
Human Body Mode ESD 5 KV
8.2 DC Characteristics
（
VDD=2.0V~5.5, T
A
= 25
℃
, unless otherwise indicated
）
Parameter Symbol Conditions Min Typ Max Unit
Working voltage VDD 2.4 3 5.5 V
Internal Regulator Output VREG 2.0 2.2 2.4 V
High level input voltage VIH 0.75 1.0 VDD
Low level input voltage VIL 0 0.25 VDD
Output Port Source Current IOH VDD=3V, VOH=2.1V -9 mA
Output Port Sink Current IOL VDD=3V, VOL=0.9V 25 mA
Input Pin Pull-low Resistor RPL VDD=3V
（
TOG, AHLB
）
55K ohm
Output Response Time TR
VDD=3V, At fast mode 20
ms
VDD=3V, At low power mode 200
Working current ISB
VDD=3V, At low power mode
(no load)
0.8 1.5
μA
VDD=3V, At fast mode(no load) 1.6 3