74LVC374AT20-13

74LVC374A OCTAL D-TYPE FLIP-FLOP WITH 3 STATE OUTPUTS Pin Assignments ( Top View ) 1Q 2 19 8Q 3 18 8D 2D 4 17 input can be used to place the eight outputs in either a normal logic 2Q 5 16 state (high or low logic levels) or the high-impedance state. In the 3Q 6 15 high-impedance state, the outputs neither load nor drive the bus lines 3D 7 transition of the clock (CLK) input, the Q outputs are set to the logic levels set up at the data (D) inputs. A buffered output-enable (OE) significantly. The high-impedance state and increased drive provide the capability to drive bus lines without interface or pullup components. OE does not affect internal operations of the latch. Old data can be retained or new data can be entered while the outputs are in the high- 14 1Q 2 19 8Q 1D 3 18 8D 7D 2D 4 17 7D 7Q 2Q 5 16 7Q 6Q 3Q 6 15 6Q 6D 3D 7 14 6D 4D 8 13 5D 4Q 9 12 5Q 4D 8 13 4Q 9 12 5Q 10 11 CLK GND impedance state. terminal 1 index area OE Vcc 1D ports, bidirectional bus drivers, and working registers. On the positive NEW PRODUCT OE 20 Vcc particularly suitable for implementing buffer registers, input/output (I/O) ( Top Transparent View) 1 1 capacitive or relatively low-impedance loads. These devices are 20 featuring 3-state outputs designed specifically for driving highly 5D TSSOP-20 CLK 11 The 74LVC374A provides eight edge-triggered D-type flip-flops GND 10 Description QFN-20 The ‘374A is functionally identical to the ‘574A, but the’574 has a different pin arrangement. Applications The device is designed for operation with a power supply range of • General Purpose Logic 1.65V to 3.6V. The device is fully specified for partial power down • Bus Driving applications using IOFF. • Power Down Signal Isolation • Wide array of products such as: Features ƒ • • Supply Voltage Range from 1.65V to 3.6V Sinks or Sources 24ma at VCC = 3V ƒ • • CMOS Low Power Consumption IOFF Supports Partial Power Down Operation • Inputs or Outputs Accept Up to 5.5V • PCs, Notebooks, Netbooks, Ultrabooks Networking Computer Peripherals, Hard Drives, CD/DVD ROM ƒ TV, DVD, DVR, Set Top Box Inputs Can Be Driven by 3.3V or 5V Allowing for Mixed Voltage Applications • • Schmitt Trigger Action at All Inputs Typical VOLP (Quiet Output Ground Bounce) Less Than 0.8V with VCC = 3.3V and TA = +25°C • Typical VOHV (Quiet Output dynamic VOH) Greater than 2.0V with VCC = 3.3V and TA = +25°C • • • ESD Protection Tested per JESD 22 ƒ Exceeds 200-V Machine Model (A115) ƒ Exceeds 2000-V Human Body Model (A114) ƒ Exceeds 1000-V Charged Device Model (C101) Latch-Up Exceeds 250mA per JESD 78, Class I All devices are: ƒ Totally Lead-Free & Fully RoHS compliant (Notes 1 & 2) ƒ Halogen and Antimony Free. “Green” Device (Note 3) Notes: 1. No purposely added lead. Fully EU Directive 2002/95/EC (RoHS) & 2011/65/EU (RoHS 2) compliant. 2. See http://www.diodes.com/quality/lead_free.html for more information about Diodes Incorporated’s definitions of Halogen and Antimony free, "Green" and Lead-Free. 3. Halogen and Antimony free "Green” products are defined as those which contain