DM74LS166 datasheet(4/6 Pages) FAIRCHILD

부품명	DM74LS166

상세설명	8-Bit Parallel-In/Serial-Out Shift Register

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Switching Characteristics

at VCC = 5V and TA = 25°C

Parameter Measurement Information

Voltage Waveforms

Test Table for Synchronous Inputs

Note A: The clock pulse has the following characteristics: tW(clock) ≥ 20 ns and PRR = 1 MHz. The clear pulse has the following characteristics:

tW(clear) ≥ 20 ns and tHOLD = 0 ns. When testing fMAX, vary the clock PRR.

Note B: A clear pulse is applied prior to each test.

Note C: Propagation delay times (tPLHand tPHL) are measured at tn+1. Proper shifting of data is verified at tn+8 with a functional test.

Note D: tn = bit time before clocking transition

tn+1 = bit time after one clocking transition

tn+8 = bit time after eight clocking transitions

Note E: VREF = 1.3V.

From (Input)

RL = 2 kΩ

Symbol

Parameter

To (Output)

CL = 15 pF

CL = 50 pF

Units

Min

Max

Min

Max

fMAX

Maximum Clock Frequency

25

20

MHz

tPLH

Propagation Delay Time

Clock to Output

8

35

38

ns

LOW-to-HIGH Level Output

tPHL

Propagation Delay Time

Clock to Output

8

35

41

ns

HIGH-to-LOW Level Output

tPHL

Propagation Delay Time

Clear to Output

6

30

36

ns

HIGH-to-LOW Level Output

Data Input

Shift/Load

Output Tested

for Test

(See Note C)

H0V

QH at TN+1

Serial Input

4.5V

QH at TN+8

유사한 부품 번호 - DM74LS166

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National Semiconductor ...	DM74LS160A	173Kb / 8P	Synchronous Presettable BCD Decade Counters
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	DM74LS161A	210Kb / 12P	Synchronous 4-Bit Binary Counters
Fairchild Semiconductor	DM74LS161A	103Kb / 10P	Synchronous 4-Bit Binary Counters

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유사한 설명 - DM74LS166

제조업체	부품명	데이터시트	상세설명
Toshiba Semiconductor	TC74VHC9164FK	666Kb / 10P	8-Bit Shift Register (Parallel-IN/ Serial-OUT, Serial -IN/ Parallel -OUT) 2018-06-22
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NXP Semiconductors	74LV164	119Kb / 12P	8-bit serial-in/parallel-out shift register 1998 May 07
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Motorola, Inc	MC5474F164	69Kb / 3P	8-BIT SERIAL-IN, PARALLEL-OUT SHIFT REGISTER
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Texas Instruments	CD54AC164	457Kb / 16P	[Old version datasheet] 8-Bit Serial-In/Parallel-Out Shift Register
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NXP Semiconductors	74HC_HCT165	139Kb / 22P	8-bit parallel-in/serial out shift register Rev. 03-14 March 2008
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