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HCS410 Datasheet, PDF (28/36 Pages) Microchip Technology – KEELOQ CODE HOPPING ENCODER AND TRANSPONDER
HCS410
5.0 ELECTRICAL CHARACTERISTICS
TABLE 5-1: ABSOLUTE MAXIMUM RATING
Symbol
Item
Rating
Units
VDD
Supply voltage
-0.3 to 6.6
V
VIN*
Input voltage
-0.3 to VDD + 0.3
V
VOUT
Output voltage
-0.3 to VDD + 0.3
V
IOUT
Max output current
50
mA
TSTG
Storage temperature
-55 to +125
C (Note)
TLSOL
Lead soldering temp
300
C (Note)
VESD
ESD rating (Human Body Model) 4000
V
Note: Stresses above those listed under “ABSOLUTE MAXIMUM RATINGS” may cause permanent damage to
the device.
* If a battery is inserted in reverse, the protection circuitry switches on, protecting the device and draining the
battery.
TABLE 5-2: DC AND TRANSPONDER CHARACTERISTICS
Commercial (C): Tamb = 0°C to 70°C
Industrial (I):
Tamb = -40°C to 85°C
2.0V < VDD < 6.3V
Parameter
Symbol Min
Typ1
Max
Unit
Conditions
Average operating current2 IDD (avg)
—
Programming current
IDDP
—
Standby current
IDDS
—
High level input voltage
VIH
0.55 VDD
Low level input voltage
VIL
-0.3
High level output voltage
VOH
0.8 VDD
0.8 VDD
Low level output voltage
VOL
—
—
LED output current
ILED
3.0
Switch input resistor
RS
40
PWM input resistor
RPWM
80
LC input current
ILC
—
LC input clamp voltage
VLCC
—
LC induced output current
VDDI
—
LC induced output voltage
VDDV
5.0
4.5
Carrier frequency
fc
—
External LC Inductor value
L
—
External LC Capacitor value
C
—
Note 1: Typical values at 25°C.
2: No load connected.
3: LC inputs are clamped at 15 volts.
50
100
160
300
µA
VDD = 3.0V
VDD = 6.3V
1.0
2.2
1.8
3.5
mA
VDD = 3.0V
VDD = 6.3V
0.1
100
nA
— VDD + 0.3
V
—
0.15 VDD
V
—
—
V
VDD = 2V, IOH =- .45 mA
VDD = 6.3V, IOH,= -2 mA
—
—
0.08 VDD
0.08 VDD
V
VDD = 2V, IOH = 0.5 mA
VDD = 6.3V,IOH = 5mA
4.0
7.0
mA VDD = 3.0V, VLED = 1.5V
60
80
kΩ
120
160
kΩ
—
10.0
mA VLCC=15 VP-P
15
—
V
ILC <10 mA
5.0
mA VLCC > 10V
6.3
6.8
5.6
6.8
V
10 V < VLCC, IDD = 0 mA
10 V < VLCC, IDD = -1 mA
125
—
kHz
900
—
µH
1.8
—
pF
DS40158C-page 28
Preliminary
© 1997 Microchip Technology Inc.