The device inputs are compatible with standard cmos outputs. This enables the use of current limiting resistors to interface inputs to voltages in excess of vcc. This device is functionally identical to the ls373, but has different pinouts. Sw1 vcc rl to output under test figure 8 switch positions includes jig and probe capacitance. Sn74hc74n datasheet, cross reference, circuit and application notes in pdf format. Pdf aa32096 744040 scx6206 744017 sn 74373 latch 74574 744020 flipflop 7471 74292 74299 universal. In this condition the latches are transparent, a latch output will change each time its corresponding dinput changes. Description 8bit shift registers with output latches. The ls247 features a lamp test input and have full rippleblanking inputoutput controls. Data is maintained by an independent source and accuracy is not guaranteed. The 74hc74 and 74hct74 are dual positive edge triggered dtype flipflop. Quad 2input exclusive or gate 14 12 11 10 9 123456 vcc 8 7 gnd truth table in out a b z l l l l h h h l h h h l guaranteed operating ranges symbol parameter min typ max unit vcc supply voltage 54 74 4. Texas instruments semiconductor products and disclaimers thereto appears at the end of this data sheet. It provides, in one package, the ability to select one bit of data from up to eight.
Pcx 7450 150a quasicw laser diode driverpulsed current source output current up, pcx 7450a is an aircooled, high power pulsed current source designed to drive diode lasers, bars and, to standalone operation, the pcx 7450 can be externally. Octal 3state noninverting transparent latch pdffile. Data sheet acquired from harris semiconductor schs021d revised september 2003. Segment identification and resultant displays are shown on a following page. Mm74hc595 8bit shift register with output latches absolute maximum ratings1 stresses exceeding the absolute maximum ratings may damage the device. Scx6206 744017 sn 74373 latch 74574 744020 flipflop 7471 74292 74299 universal shift register scx6218 text. Snx4hc595 8bit shift registers with 3state output registers. Octal 3state noninverting transparent latch highperformance silicongate cmos the sl74hc573 is identical in pinout to the lsals573. In the addressable latch mode, data on the d input is written into the latch addressed by the inputs ao to a3.
Technical information fairchild semiconductor 74hc574. Features and benefits complies with jedec standard jesd7a complies with jedec standard jesd81a input levels. The device features latch enable le and output enable oe inputs. The datasheetarchive datasheet search engine sonoma state.
If the parallel onable pe to high, then data is entered into osch master. While the oe input is low, the 8 outputs will be in a normal logic state high or low logic level. Bcd to 7segment decodersdrivers general description the 46a and 47a feature activelow outputs designed for driving commonanode leds or incandescent indicators directly. The tc output is high when cet is high and the counter is at terminal count hllh. The ls247 has activelow outputs for direct drive of indicators. Scls041h december 1982 revised november 2009 absolute maximum ratings1 over operating freeairtemperature range unless otherwise noted. Decodersdrivers the sn74ls247 is a bcdtosevensegment decoderdrivers. Information present at a data d input is transferred to the q output when the enable is high and the q output will follow the data input as long as the enable.
Pulsed laser diode driver high voltage bnc connector text. When le is high, data at the inputs enter the latches. The device may not function or be operable above the recommended operating conditions and stressing the parts to these levels is not recommended. Scls041i december 1982revised september 2015 7 specifications 7.
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