LS709T, LS7100, LS7166 Selling Leads, Datasheet
MFG:ST Package Cooled:N/A D/C:1128
LS709T, LS7100, LS7166
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Info of LS709T
Info of LS7100
Info of LS7166
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About LS7030
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Datasheet: LS7030
File Size: 68055 KB
Manufacturer: LSI [LSI Computer Systems]
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About LS7100
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Datasheet: LS7100
File Size: 447471 KB
Manufacturer: LSI [LSI Computer Systems]
Download : Click here to Download
About LS7166
PDF/DataSheet Download
Datasheet: LS7166
File Size: 81550 KB
Manufacturer: LSI [LSI Computer Systems]
Download : Click here to Download
LS7166 General Description
The LS7166 is a CMOS, 24-bit counter that can be programmed to operate in several different modes. The operating mode is set up by writing control words into internal control registers (see Figure 8). There are three 6-bit and one 2-bit control registers for setting up the circuit functional characteristics. In addition to the control registers, there is a 5-bit output status register (OSR) that indicates the current counter status. The IC communicates with external circuits through an 8-bit three state I/O bus. Control and data words are written into the LS7166 through the bus. In addition to the I/O bus, there are a number of discrete inputs and outputs to facilitate instantaneous hardware based control functions and instantaneous status indication.
LS7166 Maximum Ratings
|
Parameter |
Symbol |
Values |
Unit |
|
Voltage at any input |
VIN |
VSS - 0.3 to VDD + 0 .3 |
Volts |
|
Operating Temperature |
TA |
0 to +70 |
|
|
Storage Temperature |
TSTG |
-65 to +150 |
|
|
Supply Voltage |
VDD - VSS |
+7.0 |
Volts |
LS7166 Features
• Programmable modes are: Up/Down, Binary, BCD, 24 Hour Clock, Divide-by-N, x1 or x2 or x4 Quadrature and Single Cycle.
• DC to 20 MHz Count Frequency.
• 8-Bit I/O Bus for Microprocessor Communication and Control.
• 24-Bit comparator for pre-set count comparison.
• Readable status register.
• Input/Output TTL and CMOS compatible.
• 5 Volt operation (Vdd - Vss).
• LS7166 (DIP); LS7166-S (SOIC); LS7166-TS24 (24-Pin TSSOP)* - See Fig. 1
• DC to 20 MHz Count Frequency.
• 8-Bit I/O Bus for Microprocessor Communication and Control.
• 24-Bit comparator for pre-set count comparison.
• Readable status register.
• Input/Output TTL and CMOS compatible.
• 5 Volt operation (Vdd - Vss).
• LS7166 (DIP); LS7166-S (SOIC); LS7166-TS24 (24-Pin TSSOP)* - See Fig. 1
LS7166 Connection Diagram
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