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SN74HC377DWE4 Datenblatt(PDF) 1 Page - Texas Instruments |
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SN74HC377DWE4 Datenblatt(HTML) 1 Page - Texas Instruments |
1 / 14 page SN54HC377, SN74HC377 OCTAL DTYPE FLIPFLOPS WITH CLOCK ENABLE SCLS307B– JANUARY 1996 – REVISED JANUARY 2003 1 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 D Wide Operating Voltage Range of 2 V to 6 V D Outputs Can Drive Up To 10 LSTTL Loads D Low Power Consumption, 80-µA Max ICC D Typical tpd = 12 ns D ±4-mA Output Drive at 5 V D Low Input Current of 1 µA Max D Eight Flip-Flops With Single-Rail Outputs D Clock Enable Latched to Avoid False Clocking D Applications Include: – Buffer/Storage Registers – Shift Registers – Pattern Generators description/ordering information These devices are positive-edge-triggered octal D-type flip-flops with an enable input. The ’HC377 devices are similar to the ’HC273 devices, but feature a latched clock-enable (CLKEN) input instead of a common clear. Information at the data (D) inputs meeting the setup time requirements is transferred to the Q outputs on the positive-going edge of the clock (CLK) pulse, if CLKEN is low. Clock triggering occurs at a particular voltage level and is not directly related to the transition time of the positive-going pulse. When CLK is at either the high or low level, the D input has no effect at the output. These devices are designed to prevent false clocking by transitions at CLKEN. ORDERING INFORMATION TA PACKAGE† ORDERABLE PART NUMBER TOP-SIDE MARKING PDIP – N Tube SN74HC377N SN74HC377N 40 °Cto85°C SOIC DW Tube SN74HC377DW HC377 –40 °C to 85°C SOIC – DW Tape and reel SN74HC377DWR HC377 SOP – NS Tape and reel SN74HC377NSR HC377 CDIP – J Tube SNJ54HC377J SNJ54HC377J –55 °C to 125°C CFP – W Tube SNJ54HC377W SNJ54HC377W 55 C to 125 C LCCC – FK Tube SNJ54HC377FK SNJ54HC377FK † Package drawings, standard packing quantities, thermal data, symbolization, and PCB design guidelines are available at www.ti.com/sc/package. 32 1 20 19 910 11 1213 4 5 6 7 8 18 17 16 15 14 8D 7D 7Q 6Q 6D 2D 2Q 3Q 3D 4D SN54HC377 . . . FK PACKAGE (TOP VIEW) SN54HC377 ...J OR W PACKAGE SN74HC377 ...DW, N, OR NS PACKAGE (TOP VIEW) 1 2 3 4 5 6 7 8 9 10 20 19 18 17 16 15 14 13 12 11 CLKEN 1Q 1D 2D 2Q 3Q 3D 4D 4Q GND VCC 8Q 8D 7D 7Q 6Q 6D 5D 5Q CLK Copyright 2003, Texas Instruments Incorporated Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet. PRODUCTION DATA information is current as of publication date. Products conform to specifications per the terms of Texas Instruments standard warranty. Production processing does not necessarily include testing of all parameters. On products compliant to MILPRF38535, all parameters are tested unless otherwise noted. On all other products, production processing does not necessarily include testing of all parameters. |
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