SN54LS299 datasheet(4/7 Pages) MOTOROLA

tên linh kiện	SN54LS299

Giải thích chi tiết về linh kiện	8-BIT SHIFT/STORAGE REGISTER WITH 3-STATE OUTPUTS

PDF	7 Pages

Scroll/Zoom	100%

nhà sản xuất	MOTOROLA [Motorola, Inc]

Trang chủ	http://www.freescale.com

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5-482

FAST AND LS TTL DATA

SN54/74LS299

AC CHARACTERISTICS (TA = 25°C, VCC = 5.0 V)

Symbol

Parameter

Limits

Unit

Test Conditions

Symbol

Parameter

Min

Typ

Max

Unit

Test Conditions

fMAX

Maximum Clock Frequency

MHz

CL = 15 pF

tPHL

tPLH

Propagation Delay, Clock

to Q0 or Q7

CL = 15 pF

tPHL

Propagation Delay, Clear

to Q0 or Q7

L = 15 pF

tPHL

tPLH

Propagation Delay, Clock

to I/O0 – I/O7

CL = 45 pF,

RL = 667 Ω

tPHL

Propagation Delay, Clear

to I/O0 – I/O7

CL = 45 pF,

RL = 667 Ω

tPZH

tPZL

Output Enable Time

tPHZ

tPLZ

Output Disable Time

CL = 5.0 pF

AC SETUP REQUIREMENTS (TA = 25°C, VCC = 5.0 V)

Symbol

Parameter

Limits

Unit

Test Conditions

Symbol

Parameter

Min

Typ

Max

Unit

Test Conditions

Clock Pulse Width HIGH

VCC = 5.0 V

Clock Pulse Width LOW

VCC = 5.0 V

Clear Pulse Width LOW

VCC = 5.0 V

Data Setup Time

VCC = 5.0 V

Select Setup Time

VCC = 5.0 V

Data Hold Time

Select Hold Time

trec

Recovery Time

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