King Billion Electronics Co., Ltd.
HE89C21
駿 億 電 子 股 份 有 限 公 司
HE80000 SERIES
16. Recommended Operating Conditions
Item
Sym.
Vdd
Vih
Rating
2.4V ~ 5.5V
0.9 Vdd ~ Vdd
0V ~ 0.1Vdd
8MHz
Condition
Supply Voltage
Input Voltage
Vil
Vdd =5.0V
Vdd =2.4V
Operating Frequency
Fmax
Top
4MHz
Operating Temperature
Storage Temperature
00C ~ 700C
Tst -500C ~ 1000C
17. AC/DC Characteristics
Test Condition: Temp. = 25℃, VDD = 3V±10%, GND=0V
PARAMETER
Normal mode current
Slow mode current
Idle mode current
Additional current if LCD
ON
Symbol MIN TYP MAX UNIT
CONDITION
IFAST
ISLOW
IIDLE
0.75
1
9
7
3
mA 2M ext. R/C
6
4
2
µA 32768 Hz, LCD Disabled
µA 32768 Hz, LCD Disabled
µA
ILCD
LCD Enabled
Sleep mode current
Input high voltage
Input Low Voltage
ISLEEP
VIH
VIL
1
µA
0.8
VDD Input pins
0.2
VDD Input pins
I/O, RSTP_N, Threshold=2/3VDD(input
from low to high)
VDD
Input Hysteresis Width
VHYS
1/3
Threshold=1/3VDD(input from high to
low)
Output source current
Output sink current
Input Low Current
Input Low Current
IOH
IOL1
IIL2
IIL1
50
1.0
µA Output drive high*1, VOH =2.0V
mA Output drive low, VOL= 0.4V
µA I/O, VIL= GND, pull high Internally
µA RSTP_N, VIL= GND, pull high Internally
100
20
1. The “Output source current” specification is applicable only to the Push-Pull I/O type.
January 20, 2003
15
V1.0E
KB [ King blillion Electronics Co.,Ltd. ]
