LS7213-S, LS7220, LS7220-S Selling Leads, Datasheet
MFG:LSI Package Cooled:SOP-14 D/C:07+
LS7213-S, LS7220, LS7220-S Datasheet download
Part Number: LS7213-S
MFG: LSI
Package Cooled: SOP-14
D/C: 07+
LS7213-S, LS7220, LS7220-S
- Table of contents:
Info of LS7213-S
Info of LS7220
Info of LS7220-S
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About LS7030
PDF/DataSheet Download
Datasheet: LS7030
File Size: 68055 KB
Manufacturer: LSI [LSI Computer Systems]
Download : Click here to Download
About LS7220
PDF/DataSheet Download
Datasheet: LS7220
File Size: 65037 KB
Manufacturer: LSI [LSI Computer Systems]
Download : Click here to Download
About LS7030
PDF/DataSheet Download
Datasheet: LS7030
File Size: 68055 KB
Manufacturer: LSI [LSI Computer Systems]
Download : Click here to Download
LS7220 General Description
The LS7220 is a MOS digital lock circuit. When wired to a ten-digit keypad, the circuit will recognize one four-digit combination out of a possible 5040 combinations.
The LS7220 is configured with the features required for an Auto- motive Ignition Anti-Theft Digital Lock (See Figure 5). These features include Sense input which enables the IC, Save Memory for Valet Parking, Convenience Delay to maintain Unlock condition for short term interruptions of the Sense input and Save Status and Lock Status outputs which can be used for direct drive of LED indicators.
The LS7220 is configured with the features required for an Auto- motive Ignition Anti-Theft Digital Lock (See Figure 5). These features include Sense input which enables the IC, Save Memory for Valet Parking, Convenience Delay to maintain Unlock condition for short term interruptions of the Sense input and Save Status and Lock Status outputs which can be used for direct drive of LED indicators.
LS7220 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 |
|
|
Storage Temperature |
TSTG |
-65 to +150 |
|
LS7220 Features
· 5040 Four-Digit Combinations (for a 10 digit Keypad)
· Combinations are Hard-Wire Programmed
·Sense Input Enables Operation
·Save Memory Feature for Valet Parking
·Convenience Delay Controlled by External Capacitor
·Static or Momentary Lock Control Output
·Save Memory and Lock Status Outputs
·+5V to +18V Operation (Vss - VDD)
·LS7220 (DIP), LS7220-S (SOIC) - See Figure 1
· Combinations are Hard-Wire Programmed
·Sense Input Enables Operation
·Save Memory Feature for Valet Parking
·Convenience Delay Controlled by External Capacitor
·Static or Momentary Lock Control Output
·Save Memory and Lock Status Outputs
·+5V to +18V Operation (Vss - VDD)
·LS7220 (DIP), LS7220-S (SOIC) - See Figure 1
LS7220 Connection Diagram
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