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TC74AC166AF, TC74AC166FN, TC74AC174AF

Table of contents:
Info of TC74AC166AF
Info of TC74AC166FN
Info of TC74AC174AF

TC74AC166AF, TC74AC166FN, TC74AC174AF Selling Leads, Datasheet

MFG:TOS Package Cooled:06+ D/C:96

TC74AC166AF, TC74AC166FN, TC74AC174AF Picture

TC74AC166AF, TC74AC166FN, TC74AC174AF Datasheet download

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Part Number: TC74AC166AF

MFG: TOS

Package Cooled: 06+

D/C: 96

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TC74AC166FN General Description

The TC74AC166 is an advanced high speed CMOS 8-BIT PARALLEL/SERIAL-IN, SERIAL-OUT SHIFT REGISTER fabricated with silicon gate and double-layer metal wiring C2MOS technology.

It achieves the high speed operation similar to equivalent Bipolar Schottky TTL while maintaining the CMOS low power dissipation.

It consists of parallel-in or serial-in, serial-out 8-bit shift register with a gated clock input and an overriding clear input. The parallel-in or serial-in modes are controlled by the SHIFT/ LOAD input. When the SHIFT/ LOAD input is held high, the serial data input is enabled and the eight flip-flops perform serial shifting on each clock pulse. When held low, the parallel data inputs are enabled and synchronous loading occurs on the next clock pulse. Clocking is accomplished on the low-to-high transition of the clock pulse. The CLOCK-INHIBIT input should be shifted high only while the CLOCK input is held high. A direct clear input overrides all other inputs, including the clock, and sets all the flip-flops to zero. Functional details are shown in the truth table and the timing charts.

All inputs are equipped with protection circuits against static discharge or transient excess voltage.

TC74AC166FN Maximum Ratings

Characteristics	Symbol	Rating	Unit
Supply voltage range	V_CC	−0.5 to 7.0	V
DC input voltage	V_IN	−0.5 to V_CC + 0.5	V
DC output voltage	V_OUT	−0.5 to V_CC + 0.5	V
Input diode current	I_IK	±20	mA
Output diode current	I_OK	±50	mA
DC output current	I_OUT	±50	mA
DC V_CC/ground current	I_CC	±100	mA
Power dissipation	P_D	500 (DIP) (Note 2)/180 (SOP)	mW
Storage temperature	T_stg	−65 to 150

Note 1: Exceeding any of the absolute maximum ratings, even briefly, lead to deterioration in IC performance or even destruction.

Using continuously under heavy loads (e.g. the application of high temperature/current/voltage and the significant change in temperature, etc.) may cause this product to decrease in the reliability significantly even if the operating conditions (i.e. operating temperature/current/voltage, etc.) are within the absolute maximum ratings and the operating ranges.

Please design the appropriate reliability upon reviewing the Toshiba Semiconductor Reliability Handbook ("Handling Precautions"/Derating Concept and Methods) and individual reliability data (i.e. reliability test report and estimated failure rate, etc).

Note 2: 500 mW in the range of Ta = −40 to 65 . From Ta = 65 to 85 a derating factor of −10 mW/ should be applied up to 300 mW.

TC74AC166FN Features

• High speed: fmax = 170 MHz (typ.) at V_CC = 5 V
• Low power dissipation: I_CC = 8 A (max) at Ta = 25
• High noise immunity: V_NIH= V_NIL = 28% V_CC (min)
• Symmetrical output impedance: |I_OH| = I_OL = 24 mA (min) Capability of driving 50 transmission lines.
• Balanced propagation delays: tpLH −∼ tpHL
• Wide operating voltage range: V_CC(opr) = 2 to 5.5 V
• Pin and function compatible with 74HC166

TC74AC166FN Connection Diagram

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