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74VHC393MTCX-NL датащи(PDF) 1 Page - Fairchild Semiconductor |
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74VHC393MTCX-NL датащи(HTML) 1 Page - Fairchild Semiconductor |
1 / 8 page © 2005 Fairchild Semiconductor Corporation DS011571 www.fairchildsemi.com March 1993 Revised February 2005 74VHC393 Dual 4-Bit Binary Counter General Description The VHC393 is an advanced high speed CMOS 4-bit Binary Counter fabricated with silicon gate CMOS technol- ogy. It achieves the high speed operation similar to equiva- lent Bipolar Schottky TTL while maintaining the CMOS low power dissipation. It contains two independent counter cir- cuits in one package, so that counting or frequency division of 8 binary bits can be achieved with one IC. This device changes state on the negative going transition of the CLOCK pulse. The counter can be reset to “0” (Q0–Q3 “L”) by a HIGH at the CLEAR input regardless of other inputs. An input protection circuit ensures that 0V to 7V can be applied to the input pins without regard to the supply volt- age. This device can be used to interface 5V to 3V systems and two supply systems such as battery back up. This cir- cuit prevents device destruction due to mismatched supply and input voltages. Features s High Speed: fMAX 170 MHz (typ) at TA 25qC s Low power dissipation: ICC 4 PA (max) at TA 25qC s High noise immunity: VNIH VNIL 28% VCC (min) s Power down protection is provided on all inputs s Pin and function compatible with 74HC393 Ordering Code: Surface mount packages are also available on Tape and Reel. Specify by appending the suffix letter “X” to the ordering code. Pb-Free package per JEDEC J-STD-020B. Note 1: “_NL” indicates Pb-Free package (per JEDEC J-STD-020B). Device available in Tape and Reel only. Logic Symbol IEEE/IEC Connection Diagram Pin Descriptions Order Number Package Package Description Number 74VHC393M M14A 14-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-012, 0.150" Narrow 74VHC393SJ M14D Pb-Free 14-Lead Small Outline Package (SOP), EIAJ TYPE II, 5.3mm Wide 74VHC393MTC MTC14 14-Lead Thin Shrink Small Outline Package (TSSOP), JEDEC MO-153, 4.4mm Wide 74VHC393MTCX_NL (Note 1) MTC14 Pb-Free 14-Lead Thin Shrink Small Outline Package (TSSOP), JEDEC MO-153, 4.4mm Wide 74VHC393N N14A 14-Lead Plastic Dual-In-Line Package (PDIP), JEDEC MS-001, 0.300" Wide Pin Names Description CLR1, CLR2 Clear Inputs CP1, CP2 Clock Pulse Inputs QA, QB, QC, QD Outputs |
Аналогичный номер детали - 74VHC393MTCX-NL |
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Аналогичное описание - 74VHC393MTCX-NL |
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