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CD74HCT4094E 数据表(PDF) 2 Page - Texas Instruments |
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CD74HCT4094E 数据表(HTML) 2 Page - Texas Instruments |
2 / 10 page 2 Description The Harris CD74HC4094 and CD74HCT4094 are 8-stage serial shift registers having a storage latch associated with each stage for strobing data from the serial input to parallel buffered three-state outputs. The parallel outputs may be connected directly to common bus lines. Data is shifted on positive clock transitions. The data in each shift register stage is transferred to the storage register when the Strobe input is high. Data in the storage register appears at the outputs whenever the Output-Enable signal is high. Two serial outputs are available for cascading a number of these devices. Data is available at the QS1 serial output terminal on positive clock edges to allow for high-speed operation in cascaded system in which the clock rise time is fast. The same serial information, available at the QS2 terminal on the next negative clock edge, provides a means for cascading these devices when the clock rise time is slow. Functional Diagram Ordering Information PART NUMBER TEMP. RANGE (oC) PACKAGE PKG. NO. CD74HC4094E -55 to 125 16 Ld PDIP E16.3 CD74HCT4094E -55 to 125 16 Ld PDIP E16.3 CD74HC4094M -55 to 125 16 Ld SOIC M16.15 CD74HCT4094M -55 to 125 16 Ld SOIC M16.15 NOTES: 1. When ordering, use the entire part number. Add the suffix 96 to obtain the variant in the tape and reel. 2. Wafer or die for this part number is available which meets all elec- trical specifications. Please contact your local sales office or Harris customer service for ordering information. GND = 8 VCC = 16 Q2 6 7 Q3 Q1 5 Q0 4 14 13 12 11 Q4 Q5 Q6 Q7 THREE- OUTPUT 8-BIT STORAGE REGISTER 8-STAGE SHIFT REGISTER OE 15 1 3 2 10 9 QS2 QS1 DATA CP STROBE STATE TRUTH TABLE INPUTS PARALLEL OUTPUTS SERIAL OUTPUTS CP OE STR D Q0 Qn QS1 (NOTE 4) QS2 ↑ L X X Z Z Q’6 NC ↓ LX X Z Z NC Q7 ↑ H L X NC NC Q’6 NC ↑ HH L L Qn -1 Q’6 NC CD74HC4094, CD74HCT4094 |
类似零件编号 - CD74HCT4094E |
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类似说明 - CD74HCT4094E |
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