5962-9761601VCA Datasheet

D-Type Flip-Flops


Features, Applications

Operate From 3.6 V Inputs Accept Voltages 5.5 V Max tpd 3.3 V Typical VOLP (Output Ground Bounce) V at VCC = 25�C Typical VOHV (Output VOH Undershoot) V at VCC = 25�C

JESD 17 ESD Protection Exceeds JESD - 2000-V Human-Body Model - 200-V Machine Model - 1000-V Charged-Device Model (C101)

The SN54LVC74A dual positive-edge-triggered D-type flip-flop is designed for to 3.6-V VCC operation, and the SN74LVC74A dual positive-edge-triggered D-type flip-flop is designed for to 3.6-V VCC operation. ORDERING INFORMATION

TA PACKAGE QFN - RGY Reel of 1000 Tube of 50 SOIC to 85�C SOP - NS SSOP - DB Reel of 2500 Reel of 250 Reel of 2000 Reel of 2000 Tube of 90 TSSOP - PW CDIP to 125�C CFP - W LCCC - FK Reel of 2000 Reel of 250 Tube of 25 Tube of 150 Tube of 55 ORDERABLE PART NUMBER SNJ54LVC74AW SNJ54LVC74AFK

SNJ54LVC74AFK Package drawings, standard packing quantities, thermal data, symbolization, and PCB design guidelines are available at www.ti.com/sc/package.

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.

A low level at the preset (PRE) or clear (CLR) inputs sets or resets the outputs, regardless of the levels of the other inputs. When PRE and CLR are inactive (high), data at the data (D) input meeting the setup time requirements is transferred to the outputs on the positive-going edge of the clock pulse. Clock triggering occurs at a voltage level and is not directly related to the rise time of the clock pulse. Following the hold-time interval, data at the D input can be changed without affecting the levels at the outputs. Inputs can be driven from either or 5-V devices. This feature allows the use of these devices as translators in a mixed 3.3-V/5-V system environment.

Q0 This configuration is nonstable; that is, it does not persist when PRE or CLR returns to its inactive (high) level.

logic diagram, each flip-flop (positive logic)
absolute maximum ratings over operating free-air temperature range (unless otherwise noted)

Supply-voltage range, VCC. 6.5 V Input-voltage range, VI (see Note 6.5 V Output-voltage range, VO (see Notes 1 and V to VCC 0.5 V Input clamp current, IIK (VI -50 mA Output clamp current, IOK (VO -50 mA Continuous output current, IO. �50 mA Continuous current through VCC or GND. �100 mA Package thermal impedance, JA (see Note 3): D package. 86�C/W (see Note 3): DB package. 96�C/W (see Note 3): NS package. 76�C/W (see Note 3): PW package. 113�C/W (see Note 4): RGY package. 47�C/W Storage temperature range, Tstg. to 150�C

Stresses beyond those listed under "absolute maximum ratings" may cause permanent damage to the device. These are stress ratings only, and functional operation of the device at these or any other conditions beyond those indicated under "recommended operating conditions" is not implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability. NOTES: 1. The input negative-voltage and output voltage ratings may be exceeded if the input and output current ratings are observed. 2. The value of VCC is provided in the recommended operating conditions table. 3. The package thermal impedance is calculated in accordance with JESD 51-7. 4. The package thermal impedance is calculated in accordance with JESD 51-5.

SN54LVC74A MIN Operating VCC Supply voltage Data retention only VCC 1.95 V VCC 2.7 V VCC 3.6 V VCC 1.95 V VCC 2.7 V VCC V 0 VCC 1.65 V VCC 2.3 V VCC 2.7 V VCC 3 V VCC 1.65 V VCC 2.3 V VCC 2.7 V VCC 3 V MAX 3.6 SN74LVC74A MIN 0.8 5.5 VCC ns/V mA MAX 3.6 V UNIT

Low-level input voltage Input voltage Output voltage

TA Operating free-air temperature �C NOTE 5: All unused inputs of the device must be held at VCC or GND to ensure proper device operation. Refer to the TI application report, Implications of Slow or Floating CMOS Inputs, literature number SCBA004.



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