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LS7220 Fiches technique(PDF) 2 Page - LSI Computer Systems

No de pièce LS7220
Description  DIGITAL LOCK FOR AUTOMOTIVE IGNITIONS
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Fabricant  LSI [LSI Computer Systems]
Site Internet  http://www.lsicsi.com
Logo LSI - LSI Computer Systems

LS7220 Fiches technique(HTML) 2 Page - LSI Computer Systems

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ABSOLUTE MAXIMUM RATINGS:
PARAMETER
SYMBOL
VALUE
UNIT
DC Supply Voltage
VSS - VDD
+20
V
Any Input Voltage
VIN
VSS - 20 to VSS + 0.5
V
Operating Temperature
TA
-25 to +85
°C
Storage Temperature
TSTG
-65 to +150
°C
TRANSIENT CHARACTERISTICS: (See Figure 3)
(TA = -25°C to +85°C, VSS = +5V to +18V)
PARAMETER
SYMBOL
MIN
MAX
UNIT
CONDITION
SENSE High Delay to
TSE
-
1
µs
No external
Outputs Enabled
capacitor, Pin 12
SENSE Low Delay to
TSD
-
10
µs
No external
Outputs Disabled
capacitor, Pin 12
Input Pulse Widths
TPW
25
-
µs
-
(except SENSE)
Valid Combination Entry to
TCE
-
10
µs
SENSE High
LOCK Output Enabled
7220-012703-2
DC ELECTRICAL CHARACTERISTICS:
(All voltages referenced to VDD; TA = -25°C to +85°C unless otherwise specified.)
Vss voltages = 5V, 9V, 12V, 15V, 18V
PARAMETER
SYMBOL
MIN
MAX
UNIT
CONDITION
Supply Voltage
VSS
+5
+18
V
-
Supply Current
ISS
-
20, 30, 40, 50, 70
µA
VSS voltages
*INPUT VOLTAGES:
SENSE Low
VIL
0
2, 3, 4, 6, 8.5
V
VSS voltages
SENSE High
VIH
3.5, 5.5, 6.5, 9, 11.5
VSS
V
VSS voltages
CONVENIENCE DELAY Low
VIL
-
0.3Vss
-
Typical
CONVENIENCE DELAY High
VIL
0.7Vss
-
-
Typical
All Other Inputs:
Low
VIL
0
Vss - 3
V
-
High
VIH
Vss - 1
Vss
V
-
*NOTE 1: All inputs have pull down resistors to VDD. Typical input sink current is 12µA with input at Vss (Vss - VDD = +12V)
OUTPUT CURRENT:
***LOCK STATUS
IO
0.4, 2.5, 5, 9, 14
1.3, 6, 12, 20, **30
mA
Vss voltages
Source Current
Vo = +1.7V
***SAVE STATUS
IO
0.8, 5, 10, 18, 28
2.6, 12, 24, **30, **30
mA
Vss voltages
Source Current
Vo = +1.7V
CONVENIENCE DELAY
IO
0.1, 0.5, 0.7, 1, 1.2
0.5, 1.1, 1.6, 2.1, 2.4
mA
Vss voltages
LOCK
IO
1.3, 6.5, 9.1, 13, 15.6
6.5, 14.7, 21, 27.3, **30
mA
Vss voltages
Inupt Capacitance
CIN
-
10
pF
-
**NOTE 2: Limit current to 30mA maximum
***NOTE 3: LOCK STATUS and SAVE STATUS output currents are balanced to achieve equal brightness for red and green LEDs


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