hcs473 Microchip Technology Inc., hcs473 Datasheet - Page 52

• Manufacturer Part Number: hcs473
• Description: Code Hopping Encoder And Transponder
• Manufacturer: Microchip Technology Inc.

HCS473
TABLE 7-1:
DS40035C-page 50
DC Characteristics
All pins except power supply pins
D001
D003
D004
D005
D010
D010B
D021A
D022
D022A
D030
D030A
D031
D040
D040A
D041
D053
D061
D060
D080
D090
D091
Param
No.
V
SV
V
V
V
Sym
∆I
V
V
I
V
OH
I
V
POR
BOR
DD
TOL
I
SS
DD
OL
DD
IL
IH
IL
DD
DC CHARACTERISTICS: HCS473
Supply Voltage
V
internal Power-on Reset sig-
nal
V
internal Power-on Reset sig-
nal
Brown-out Reset Voltage
Supply Current
Shutdown Current
Transponder Current
Input Pins
With TTL Buffer
With Schmitt Trigger Buffer
Input Pins
With TTL Buffer
With Schmitt Trigger Buffer
V
LED
Output Low Voltage
Input Low Voltage
Input High Voltage
Input Threshold Voltage
Input Leakage Current
Input Pins
Output Pins
Output High Voltage
Output Pins
LED
DD
DD
LOW
Start Voltage to ensure
Rise Rate to ensure
detect tolerance
Characteristic
(2)
Standard Operating Conditions (unless otherwise stated)
Operating Temperature
Preliminary
V
0.8 V
V
2.05
DD
0.05*
(0.25
DD
Min
Vss
Vss
Vss
2.0
1.5
—
—
—
—
—
—
—
—
—
—
—
+0.8)
-0.7
(2)
DD
Typ†
V
3.5
1.9
1.0
0.1
4.2
7.5
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
SS
0.15V
0.2V
+250
+400
Max
V
V
V
5.5
2.0
1.0
0.8
0.6
25
±1
±5
—
—
—
—
2
5
8
6
D
DD
DD
DD
0°C ≤ T
-20°C ≤ T
DD
D
Units
V/ms
A
mA
mA
mV
mV
µA
µA
µA
µA
µA
µA
V
V
V
V
V
V
V
V
V
V
V
V
≤ +70°C (Commercial)
A
≤ +85°C (Industrial)
 2002 Microchip Technology Inc.
Cold RESET
F
F
V
V
signals
V
signals
V
signals
4.5V ≤ V
Otherwise
4.5V ≤ V
Otherwise
VLOWSEL = 2.2V
VLOWSEL = 3.3V
Vss ≤ V
Vss ≤ V
impedance, no pull-downs
enabled
I
I
I
OL
OH
OH
OSC
OSC
DD
DD
DD
DD
= 8.5 mA, V
= -3.0 mA, V
= -0.5 mA, V
= 5.5V
= V
= V
= V
= 4 MHz, V
= 4 MHz, V
PIN
PIN
DDT
DDT
DDT
DD
DD
Conditions
≤ V
≤ V
≤ 5.5V
≤ 5.5V
= 5.5V, no LC
= 3.0V, no LC
= 3V, Active LC
DD
DD
DD
, Pin at Hi-
DD
DD
DD
DD
= 4.5V
= 4.5V
= 4.5V
= 5.5V
= 3.5V
(3)
(3)