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HCS515-I Datasheet, PDF (20/32 Pages) Microchip Technology – KEELOQ Code Hopping Decoder
HCS515
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
4.5
—
5.5
V
—
VPOR VDD start voltage to
—
Vss
—
V
—
ensure RESET
SVDD VDD rise rate to
ensure RESET
0.05*
—
—
V/ms
—
IDD Supply current
—
1.8
2.
mA FOSC = 4 MHz, VDD = 5.5V
IPD Power-Down Current
—
10
50
µA VDD = 4.5V
VIL Input low voltage
VSS
—
V MCLR = .2 VDD
VSS
—
0.8
V VDD between 4.5V and 5.5V
VIH Input high voltage
0.25 VDD + 0.8 —
VDD
V VDD between 4.5V and 5.5V
V Except MCLR = 0.80 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 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
—
Note: These parameters are characterized but not tested.
FIGURE 8-1: RESET WATCHDOG TIMER, OSCILLATOR START-UP TIMER AND POWER-UP
TIMER TIMING
VDD
MCLR
I/O Pins
TMCLR
Tov
DS40183D-page 20
© 2002 Microchip Technology Inc.