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74VHC164MX Datasheet(PDF) 1 Page - Fairchild Semiconductor |
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74VHC164MX Datasheet(HTML) 1 Page - Fairchild Semiconductor |
1 / 8 page © 2005 Fairchild Semiconductor Corporation DS011636 www.fairchildsemi.com August 1993 Revised February 2005 74VHC164 8-Bit Serial-In, Parallel-Out Shift Register General Description The VHC164 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 VHC164 is a high-speed 8-Bit Serial-In/Paral- lel-Out Shift Register. Serial data is entered through a 2- input AND gate synchronous with the LOW-to-HIGH transi- tion of the clock. The device features an asynchronous Master Reset which clears the register, setting all outputs LOW independent of the clock. An input protection circuit insures that 0V to 7V can be applied to the input pins with- out 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 prevents device destruction due to mismatched supply and input voltages. Features s High Speed: fMAX 175 MHz at VCC 5V s Low power dissipation: ICC 4 PA (max) at TA 25qC 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 74HC164 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 Pin Descriptions Connection Diagram Order Number Package Package Description Number 74VHC164M M14A 14-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-012, 0.150" Narrow 74VHC164MX_NL (Note 1) M14A Pb-Free 14-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-012, 0.150" Narrow 74VHC164SJ M14D Pb-Free 14-Lead Small Outline Package (SOP), EIAJ TYPE II, 5.3mm Wide 74VHC164MTC MTC14 14-Lead Thin Shrink Small Outline Package (TSSOP), JEDEC MO-153, 4.4mm Wide 74VHC164MTCX_NL (Note 1) MTC14 Pb-Free 14-Lead Thin Shrink Small Outline Package (TSSOP), JEDEC MO-153, 4.4mm Wide 74VHC164N N14A 14-Lead Plastic Dual-In-Line Package (PDIP), JEDEC MS-001, 0.300" Wide Pin Names Description A, B Data Inputs CP Clock Pulse Input (Active Rising Edge) MR Master Reset Input (Active LOW) Q0–Q7 Outputs |
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