HCS512 Datasheet, PDF (15/20 Pages) Microchip Technology – KEELOQ CODE HOPPING DECODER

HCS512
TABLE 9-1:
DC CHARACTERISTICS
Standard Operating Conditions (unless otherwise stated)
Operating temperature
Commercial (C): 0°C ≤ TA ≤ +70°C for commercial
Industrial (I):
-40°C ≤ TA ≤ +85°C for industrial and
Symbol
Characteristic
Min
Typ^(†)
Max
Units
Conditions
VDD
Supply Voltage
3.0
—
6.0
V
VPOR VDD start voltage to
—
VSS
—
V
ensure Reset
SVDD
VDD rise rate to
0.05*
—
ensure Reset
—
V/ms
IDD
Supply Current
—
1.8
4.5
mA
FOSC = 4 MHz, VDD = 5.5V
—
7.3
10
mA (During EEPROM programming)
15
32
µA
In SLEEP mode
VIL
Input Low Voltage
VSS
—
0.16 VDD
V
except MCLR = 0.2 VDD
VIH
Input High Voltage 0.48 VDD
—
VDD
V
except MCLR = 0.85 VDD
VOL
Output Low Voltage
—
—
0.6
V
IOL = 8.5 mA, VDD = 4.5V
VOH
Output High Voltage VDD-0.7
—
—
V
IOH = -3.0 mA, VDD = 4.5V
Note:
†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.
Negative current is defined as coming out of the pin.
TABLE 9-2: AC CHARACTERISTICS
Symbol
Characteristic
Min
FOSC
Oscillator frequency
2.7
65
TE
PWM elemental
pulse width
130
TOD
Output delay
70
TA
Output activation time
322
TRPT REPEAT activation time
32
TLRN
LRNIN activation time
21
TMCLR
MCLR low time
150
TOV
Time output valid
—
Typ Max Units
Conditions
4
6.21 MHz
Rext = 10K, Cext = 10pF
—
1080
µs
4.5V < VDD < 5.5V
Oscillator components tolerance < 6%.
—
1080
µs
3V < Vdd < 6V
Oscillator components tolerance <10%
90
115
ms
500
740
ms
50
74
ms
32
—
ms
—
—
ns
150
222
ms
FIGURE 9-1: RESET WATCHDOG TIMER, OSCILLATOR START-UP TIMER AND POWER-UP
TIMER TIMING
VDD
MCLR
I/O Pins
TMCLR
TOV
© 1997 Microchip Technology Inc.
DS40151C-page 15