ESTEK ET

ET- IL7021 ~ IL7045
Function of this IC is accurately resetting the system after detecting voltage at the time of switching
power on and instantaneous power off in various CPU systems and other logic systems.
FEATURES
• Current Consumption is Low.
• Resetting Output Minimum Guarantee Voltage is Low. 0.8V Typ.
• Hysteresis Voltage is Provided. 50mV Typ.
• Reset Signal Generation Starting Voltage:
2.1;2.3;2.5;2.7;2.9;3.1;3.3;3.6;3.7;3.9;4.2;4.5 V Typ.
APPLICATIONS
• As Control Circuit of Battery-Backed Memory.
• As Measure Against Erroneous Operations at Power ON-OFF
• As Measure Against System Runaway at Instantaneous
Break of Power Supply etc.
• As Resetting Function for the CPU-Mounted Equipment,
such as Personal Computers, Printers, VTRs and so forth.
MAXIMUM RATINGS (Ta=25°C)
CHARACTERISTIC
Supply Voltage
Power Dissipation
(Package Limitation)
Operation Temperature
SYMBOL
Vcc
PD
RATING
-0.3~+15.0
500
UNIT
V
mW
Topr
-30~+75
°C
#00-268 - 1
Page 1 of 2
BEIJING ESTEK ELECTRONICS CO.,LTD
ET-IL7021 ~ IL7045
ELECTRICAL CHARACTERISTICS (Tj= +25°C, unless otherwise noted)
CHARACTERISTIC
Detecting Voltage
Low-Level Output
Voltage
Output Leakage Current
Histeresis Voltage
Detecting Voltage
Temperature Coefficient
Circuit Current at on Time
Circuit Current at off Time
Threshold Operating
Voltage
"L" Transmission
Delay Time
"H" Transmission
Delay Time
Output Current
SYMBO
L
Vs
CONDITIONS
IL7021T2
IL7023T2
IL7025T2
IL7027T2
IL7029T2
IL7031T2
IL7033T2
IL7036T2
IL7037T2
IL7039T2
IL7042T2
IL7045T2
MIN
TYP
MAX
UNIT
2.1
2.3
2.5
2.7
2.9
3.1
3.3
3.6
3.7
3.9
4.2
4.5
-
2.25
2.45
2.65
2.85
3.05
3.25
3.45
3.75
3.85
4.05
4.35
4.65
0.4
V
V
VOL
RL=200Ω
1.95
2.15
2.35
2.55
2.75
2.95
3.15
3.45
3.55
3.75
4.05
4.35
-
IOH
∆Vs
Vs/∆T
Vcc=15V
RL=200Ω
RL=200Ω
30
-
50
±0.01
0.1
100
-
µA
mV
%/°C
IccL
IccH
Vopr
-
0.8
500
50
-
µA
µA
V
tpHL
Vcc=Vsmin – 0.05V
Vcc=5.25V
RL=200Ω
VOL≤0.4V
RL=1.0k , CL=100pF
-
10
-
µs
tpLH
RL=1.0k , CL=100pF
-
15
-
µs
20
-
-
mA
IOL
RL=200Ω
VOL≤0.4V
Vcc=Vsmin – 0.05V;
Tc=25°C
#00-268 - 1
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BEIJING ESTEK ELECTRONICS CO.,LTD