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Renesas
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| Part No. |
HD74HC490
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| OCR Text |
...ck, clear and set-to-9 inputs. bcd count sequences of any length up to divide-by-100 may be implemented with a single hd74hc490. buffering on each output is provided to ensure that suceptibility to collector communication is reduced signi... |
| Description |
Standard IC>General-Purpose Logics>HD74HC Series
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| File Size |
54.90K /
8 Page |
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it Online |
Download Datasheet
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Fairchild
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| Part No. |
DM74LS390
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| OCR Text |
...
DM74LS390
Function Tables BCD Count Sequence
(Each Counter) (Note 1) Count 0 1 2 3 4 5 6 7 8 9
H = HIGH Level L = LOW Level Note 1: ...Decade Counter
16-Lead Plastic Dual-In-Line Package (PDIP), JEDEC MS-001, 0.300 Wide Package Numb... |
| Description |
Dual 4-Bit Decade Counter
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| File Size |
50.60K /
6 Page |
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it Online |
Download Datasheet |
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ST Microelectronics
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| Part No. |
M74HC390M1R
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| OCR Text |
...connected to input clock b for bcd count. ** : output qd is connected to input clock a for bi-quinary count. pin no symbol name and function 1, 15 1 clock a 2 clock b clock input divide by 2 section (high to low edge-triggered) 2, 14 1 ... |
| Description |
DUAL DECADE COUNTER
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| File Size |
474.82K /
12 Page |
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it Online |
Download Datasheet |
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ST Microelectronics
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| Part No. |
M54HC390K
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| OCR Text |
...connected to input clock b for bcd count. ** : output qd is connected to input clock a for bi-quinary count. figure 3: block diagram count outputs bcd count* bi-quinary** qd qc qb qa qa qd qc qb 0 llllllll 1 lllhlllh 2 llhlllhl 3 llhh... |
| Description |
RAD HARD DUAL DECADE COUNTER
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| File Size |
286.38K /
13 Page |
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it Online |
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INTERSIL[Intersil Corporation]
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| Part No. |
ICM724901 ICM7249IPM ICM7249
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| OCR Text |
...ounters for prescaling and 51/2 BCD decade counters for display driving. * Display control circuitry and BCD to 7-segment decoder/ drivers. * A control decoder to select different modes of operation. This is done by routing different signal... |
| Description |
5 1/2 Digit LCD, Micro-Power Event/Hour Meter
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| File Size |
114.36K /
9 Page |
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it Online |
Download Datasheet |
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