The CDBM CDBC is a 5-stage divide-by John- son counter with 10 decoded outputs and a carry out bit. The CDBM CDBC is a 4-stage. Data sheet acquired from Harris Semiconductor. SCHSC − Revised February The CDB and CDB types are supplied in. CDBCN IC COUNTER/DIVIDER DECADE DIP Fairchild Semiconductor datasheet pdf data sheet FREE from Datasheet (data sheet).

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I can send the single pulse to start one soldier marching up the chain. I certainly have enough ‘s. The LED used were a disappointment as viewing angle is about 30 deg. The second moves from output 0 to 1, turning off the first transistor and turning on the second.

Each transistor is tied to the negative lead of 10 LED’s each. I am desperate for this Inductor Posted by Dynaman in forum: Dec 20, 10, 1, If all the lights are lit at once, my power supply won’t be strong enough to power that many devices.

One to send highs 1’s and one to set low’s 2’s.


CDBCN Datasheet (PDF Download) 1/7 Page – Fairchild Semiconductor

My parts arrive tomorrow. You May Also Like: Am I reading this code correct? A little 1 amp 3. Posted by transgalactic in forum: This “Carry Out” command can be used as a clock input for the second.

The next question is what to do with the 10 74HC’s I have arriving tomorrow.

When it gets to the end he dies. When the Ninth output goes high the 10th LED is lit.

CDBCN 데이터시트(PDF) – Fairchild Semiconductor

No, create an account now. Oct 24, Can I send the last shift register back to the first? Your name or email address: But the is sending more soldiers.

Sounds like good advice. No need for any gates. The second controls the transistors.

National Semiconductor

Plus, what I really like about the push button idea is that the kids can send any chain of lights up that they want. Dtasheet the first chases the second one holds output 0 high. If so, and the kids hold the button down a long time there could be an endless stream of lit lights.

You would probably also have to use the master reset with output 9. Oct 26, But you’d be limited to 9 outputs on the first, and up to 10 transistors to complete up to a 90 LED string of a chase light. Embedded Systems and Microcontrollers. Posted by chaz in forum: Aug 7, 4, Meanwhile, the kids can keep sending more and more soldiers off to war, each dying at the end of the string.


Yes, my password is: Dash Camera Dash Cameras are becoming a very popular automotive accessory. Am I right on this superposition problem? But now I have to order SR’s.

Quote of the day. For your question about power, use high brightness LEDs and 1mA is plenty if you have a whole mess of them. Nov 23, 8, 6, I’ll have to investigate that further. Seems a comet tail was mentioned so here is a simple tested version for either or SR like 74HC When the first completes the count, on the next clock pulse the cd4017bcj sends a “Carry Out” signal which acts like a clock input to the second.