HCS412_11 Datasheet, PDF (40/52 Pages) Microchip Technology – KEELOQ® Code Hopping Encoder and Transponder Burglar alarm systems

HCS412
9.0 ELECTRICAL CHARACTERISTICS
TABLE 9-1: 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 9-2: 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
Average operating current IDD (avg)
—
Note 2
200
500
Programming current
IDDP
2.3
4.0
Standby current
IDDS
—
0.1
500
High level input voltage
VIH 0.55 VDD
— VDD + 0.3
Low level input voltage
VIL
-0.3
—
0.15 VDD
High level output voltage
VOH
0.8 VDD
0.8 VDD
—
—
Low level output voltage
VOL
—
—
—
0.08 VDD
—
0.08 VDD
LED output current
ILED
3.0
4.0
7.0
Switch input resistor
RS
40
60
80
DATA input resistor
RDATA
80
120
160
LC input current
ILC
—
—
10.0
LC input clamp voltage
VLCC
—
10
—
LC induced output current
VDDI
—
2.0
LC induced output voltage
VDDV
—
—
4.5
4.0
—
—
Carrier frequency
fc
—
125
LC input sensitivity
VLCS
—
100
—
Note 1: Typical values at 25°C.
2: No load connected.
3: Not tested.
Unit
μA
mA
nA
V
V
V
V
mA
kΩ
kΩ
mA
V
mA
V
kHz
mVPP
Conditions
VDD = 6.3V
VDD = 6.3V
LC = off else < 5 μA
VDD = 2V, IOH =- .45 mA
VDD = 6.3V, IOH,= -2 mA
VDD = 2V, IOH = 0.5 mA
VDD = 6.3V, IOH = 5 mA
VDD = 3.0V, VLED = 1.5V
S0/S1 not S2
VLCC=10 VP-P
ILC <10 mA
VLCC > 10V
10 V < VLCC, IDD = 0 mA
10 V < VLCC, IDD = -1 mA
Note 3
DS41099D-page 40
© 2011 Microchip Technology Inc.