HCS500 Datasheet, PDF (19/24 Pages) Microchip Technology – KEELOQ CODE HOPPING ENCODER

HCS500
TABLE 8-1: DC CHARACTERISTICS
Standard Operating Conditions (unless otherwise stated)
Operating temperature
Commercial (C): 0°C ≤ TA ≤ +70‡°C
Industrial (I):
-40°C ≤ TA ≤ +85‡°C
Symbol
Parameters
Min
Typ^(†)
Max
Units
Conditions
VDD Supply voltage
3.0
—
5.5
V
VPOR VDD start voltage to
ensure Reset
—
Vss
—
V
SVDD VDD rise rate to
ensure reset
0.05*
—
—
V/ms
IDD Supply current
—
1.8
2.4
mA FOSC = 4 MHz, VDD = 5.5V
—
0.3
5
µA Sleep mode (no RF input)
IPD Power Down Current
—
0.25
4
µA VDD = 3.0V, Commercial
—
0.3
5
µA VDD = 3.0V, Industrial
VIL Input low voltage
VSS
— 0.15 VDD V Except MCLR = 0.15 VDD
VSS
—
0.8
V VDD between 4.5V and 5.5V
VIH Input high voltage
0.25 VDD
—
VDD
2.0
—
VDD
V Except MCLR = 0.85 VDD
V VDD between 4.5V and 5.5V
VOL Output low voltage
—
—
0.6
V IOL = 8.7 mA, VDD = 4.5V
VOH Output high voltage
VDD - 0.7
—
—
V IOH = -5.4 mA, VDD = 4.5V
† Data in “Typ” column is at 5.0V, 25°C unless otherwise stated. These parameters are for design guidance only and
are not tested.
* These parameters are characterized but not tested.
Note: Negative current is defined as coming out of the pin.
TABLE 8-2: AC CHARACTERISTICS
Standard Operating Conditions (unless otherwise specified):
Commercial (C): 0°C ≤ TA ≤ +70°C
Industrial (I):
-40°C ≤ TA ≤ +85°C
Symbol
Parameters
Min
Typ
Max
Units
Conditions
TE Transmit elemental period
65
—
660
µs
TOD Output delay
48
75
237
ms
TMCLR MCLR low time
150
—
—
ns
TOV Time output valid
—
150
222
ms
FIGURE 8-1: RESET WATCHDOG TIMER, OSCILLATOR START-UP TIMER AND POWER-UP
TIMER TIMING
VDD
MCLR
I/O Pins
TMCLR
Tov
© 1997 Microchip Technology Inc.
Preliminary
DS40153B-page 19