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HCF40103B Datasheet(PDF) 1 Page - STMicroelectronics |
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HCF40103B Datasheet(HTML) 1 Page - STMicroelectronics |
1 / 13 page HCC/HCF40102B HCC/HCF40103B 8-STAGE PRESETTABLE SYNCHRONOUS DOWN COUNTERS DESCRIPTION . SYNCHRONOUS OR ASYNCHRONOUS PRESET . MEDIUM-SPEED OPERATION : fCL = 3.6MHz (TYP.) @ VDD = 10V . CASCADABLE . QUIESCENT CURRENT SPECIFIED TO 20V FOR HCC DEVICE . 5V, 10V AND 15V PARAMETRIC RATINGS . INPUT CURRENT OF 100 nA AT 18V AND 25 °C FOR HCC DEVICE . 100% TESTED FOR QUIESCENT CURRENT . MEETS ALL REQUIREMENTS OF JEDEC TEN- TATIVE STANDARD N o. 13 A, ”STANDARD SPECIFICATIONS FOR DESCRIPTION OF ”B” SERIES CMOS DEVICES” June 1989 The HCC40102B, HCC40103B, (extended tempera- ture range) and the HCF40102B, HCF40103B (inter- mediate temperature range) are monolithic integrated circuits, available in 16-lead dual in-line plastic or ce- ramic package. The HCC/HCF40102B,and HCC/HCF40103B consist of an 8-stage synchronous down counter with a single output which is active when the internal count is zero. The HCC/HCF40102B is configured as two cascaded 4-bit BCD counters, and the HCC/HCF40103B contains a single 8-bit binary counter. Each type has control inputs for enabling or disabling the clock, for clearing the counter to its maximum count, and for presetting the counter either synchronously or asynchronously. All control inputs and the CARRY-OUT/ZERO-DETECT out- put are active-low logic. In normal operation, the counter is decremented by one count on each posi- tive transition of the CLOCK. Counting is inhibited when the CARRY-IN/COUNTER ENABLE (CI/CE) input is high. The CARRY-OUT/ZERO-DETEC (CO/ZD) output goes low when the count reaches zero if the CI/CE input is low, and remains low for one full clock period. When the SYNCHRONOUS PRESET-ENABLE (SPE) input is low, data at the JAM input is clocked into the counter on the next positive clock transition regardless of the state of the CI/CE input. When the ASYNCHRONOUS PRESET-ENABLE (APE) input is low, data at the EY (Plastic Package) F (Ceramic Package) C1 (Chip Carrier) ORDER CODES : HCC401XXBF HCF401XXBEY HCF401XXBC1 PIN CONNECTIONS 40102B 2-DECADE BCD TYPE 40103B 8-BIT BINARY TYPE 1/13 |
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