PDF UT54ACS193E Data sheet ( Hoja de datos )

Número de pieza	UT54ACS193E
Descripción	Synchronous 4-Bit Up-Down Dual Clock Counter
Fabricantes	Aeroflex Circuit Technology
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No Preview Available ! UT54ACS193E Synchronous 4-Bit Up-Down Dual Clock Counter July 2013 www.aeroflex.com/Logic Datasheet FEATURES  Look-ahead circuitry enhances cascaded counters  Fully synchronous in count modes  Parallel asynchronous load for modulo-N count lengths  Asynchronous clear  m CRH CMOS process - Latchup immune  High speed  Low power consumption  Wide power supply operating range of 3.0V to 5.5V  Available QML Q or V processes  16-lead flatpack  UT54ACS193E - SMD 5962-96566 DESCRIPTION The UT54ACS193E is a synchronous 4-bit, reversible up-down binary counter. Synchronous operation is provided by having all flip-flops clocked simultaneously so that the outputs change coincident with each other when instructed. Synchronous operation eliminates the output counting spikes normally associated with asynchronous counters. The outputs of the four flip-flops are triggered on a low-to-high- level transition of either count input (Up or Down). The direc- tion of the counting is determined by which count input is pulsed while the other count input is high. The counter is fully programmable. The outputs may be preset to either level by placing a low on the load input and entering the desired data at the data inputs. The outputs will change to agree with the data inputs independently of the count pulses. Asynchronous loading allows the counter to be used as modulo- N divider by simply modifying the count length with the preset inputs. A clear input has been provided that forces all outputs to the low level when a high level is applied. The clear function is independent of the count and the load inputs. The counter is designed for efficient cascading without the need for external circuitry. The borrow output (BO) produces a low- level pulse while the count is zero and the down input is low. Similarly, the carry output (CO) produces a low-level pulse while the count is maximum and the up input is low. The device is characterized over full HiRel temperature range of -55oC to +125oC. PINOUT B QB QA DOWN UP QC QD VSS 16-Lead Flatpack TopView 1 16 2 15 3 14 4 13 5 12 6 11 7 10 89 VDD A CLR BO CO LOAD C D FUNCTION TABLE FUNCTION CLOCK UP Count Up  Count Down H Reset X Load Preset Input X CLOCK DOWN H  X X CLR L L H L LOAD H H X L 1 1 page DC ELECTRICAL CHARACTERISTICS FOR THE UT54ACS193E7 ( VDD = 3.0V to 5.5V; VSS = 0V6; -55C < TC < +125C) SYMBOL DESCRIPTION VIL Low-level input voltage 1 VIH High-level input voltage 1 IIN Input leakage current VOL Low-level output voltage 3 VOH High-level output voltage 3 IOS1 Short-circuit output current 2 ,4 IOS2 Short-circuit output current 2 ,4 IOL1 Low level output current9 (sink) IOL2 Low level output current9 (sink) IOH1 High level output current9 (source) IOH2 High level output current9 (source) Ptotal1 Power dissipation 8, 9 Ptotal2 Power dissipation 8, 9 IDDQ Quiescent Supply Current CONDITION VDD from 3.0V to 5.5V VDD from 3.0V to 5.5V VIN = VDD or VSS IOL = 100A VDD from 3.0V to 5.5V IOH = -100A VDD from 3.0V to 5.5V VO = VDD and VSS VDD from 4.5V to 5.5V VO = VDD and VSS VDD from 3.0V to 3.6V VIN = VDD or VSS VOL = 0.4V VDD from 4.5V to 5.5V VIN = VDD or VSS VOL = 0.4V VDD from 3.0V to 3.6V VIN = VDD or VSS VOH = VDD-0.4V VDD from 4.5V to 5.5V VIN = VDD or VSS VOH = VDD-0.4V VDD from 3.0V to 3.6V CL = 50pF VDD = 4.5V to 5.5V CL = 50pF VDD = 3.0V to 3.6V VIN = VDD or VSS VDD from 3.0V to 5.5V 5 MIN 0.7 VDD -1 MAX 0.3 VDD 1 0.25 UNIT V V A V VDD -0.25 V -200 200 mA -100 100 mA 8 mA 6 mA -8 mA -6 mA 1.4 mW/ MHz 0.6 mW/ MHz 10 A 5 Page Aeroflex Colorado Springs - Datasheet Definition Advanced Datasheet - Product In Development Preliminary Datasheet - Shipping Prototype Datasheet - Shipping QML to Reduced HiRel COLORADO Toll Free: 800-645-8862 Fax: 719-594-8468 SE AND MID-ATLANTIC Tel: 321-951-4164 Fax: 321-951-4254 INTERNATIONAL Tel: 805-778-9229 Fax: 805-778-1980 WEST COAST Tel: 949-362-2260 Fax: 949-362-2266 NORTHEAST Tel: 603-888-3975 Fax: 603-888-4585 CENTRAL Tel: 719-594-8017 Fax: 719-594-8468 www.aeroflex.com [email protected] Aeroflex Colorado Springs (Aeroflex) reserves the right to make changes to any products and services herein at any time without notice. Consult Aeroflex or an authorized sales representative to verify that the information in this data sheet is current before using this product. Aeroflex does not assume any responsibility or liability arising out of the application or use of any product or service described herein, except as expressly agreed to in writing by Aeroflex; nor does the purchase, lease, or use of a product or service from Aeroflex convey a license under any patent rights, copyrights, trademark rights, or any other of the intellectual rights of Aeroflex or of third parties. Our passion for performance is defined by three attributes represented by these three icons: solution-minded, performance-driven and customer-focused 11 11 Page

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