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74VHC161M датащи(PDF) 1 Page - Fairchild Semiconductor |
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74VHC161M датащи(HTML) 1 Page - Fairchild Semiconductor |
1 / 10 page © 2002 Fairchild Semiconductor Corporation DS011635 www.fairchildsemi.com August 1993 Revised February 2002 74VHC161 4-Bit Binary Counter with Asynchronous Clear General Description The VHC161 is an advanced high-speed CMOS device fabricated with silicon gate CMOS technology. It achieves the high-speed operation similar to equivalent Bipolar Schottky TTL while maintaining the CMOS low power dissi- pation. The VHC161 is a high-speed synchronous modulo- 16 binary counter. This device is synchronously presettable for application in programmable dividers and have two types of Count Enable inputs plus a Terminal Count output for versatility in forming synchronous multistage counters. The VHC161 has an asynchronous Master Reset input that overrides all other inputs and forces the outputs LOW. An input protection circuit insures that 0V to 7V can be applied to the input pins without regard to the supply voltage. This device can be used to interface 5V to 3V systems and two supply systems such as battery backup. This circuit pre- vents device destruction due to mismatched supply and input voltages. Features s High Speed: fMAX = 185 MHz (typ) at TA = 25°C s Synchronous counting and loading s High-speed synchronous expansion s Low power dissipation: ICC = 4 µA (max) at TA = 25°C s High noise immunity: VNIH = VNIL = 28% VCC (min) s Power down protection provided on all inputs s Low noise: VOLP = 0.8V (max) s Pin and function compatible with 74HC161 Ordering Code: Surface mount packages are also available on Tape and Reel. Specify by appending the suffix letter “X” to the ordering code. Logic Symbols IEEE/IEC Order Number Package Number Package Description 74VHC161M M16A 16-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-012, 0.150" Narrow 74VHC161SJ M16D 16-Lead Small Outline Package (SOP), EIAJ TYPE II, 5.3mm Wide 74VHC161MTC MTC16 16-Lead Thin Shrink Small Outline Package (TSSOP), JEDEC MO-153, 4.4mm Wide 74VHC161N N16E 16-Lead Plastic Dual-In-Line Package (PDIP), JEDEC MS-001, 0.300" Wide |
Аналогичный номер детали - 74VHC161M |
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Аналогичное описание - 74VHC161M |
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