sc1485itstr芯片干什么的

卫诗-Funny Jealousy

你这晚来穿得最闪　绝在脸妆这样艳

若这是场淘汰战　真不知我怎出线

自问大家不会变　若妒忌你极肤浅

恨我仍然还好胜　别要真的高过我半边天

若是有人赞扬你　我也应

会替你暗喜　我老实问自己

若我在各样也没法及你

这友情　也会悄悄考起

＊如死党有暗涌　也要各扮不懂

　若男孩同看中　情谊仍在心中

　情感彷似填充　遗留秘密不通

　姊妹有情意结　最终　还是知道轻重＊

ohi think it's funny i think it's crazy

你我友谊比天更高　手拖手走出大路

但你共男孩跳舞　好景比我更加早

羡慕著你跟他好　现在若我未得到

未免自绸和懊恼　令我小小憎你太风骚

旧日我和你没有　嗌过交

暗里纵赛跑　发过誓别绝交

亦会和你夜半谈笑睡觉

所有人　却永远怕比较

REPEAT＊＊

ohi think it's funny i think it's crazy

ohi think it's funny i think it's crazy

谢谢采纳。。

：POS技术支持光纤介质，它是一种高速、先进的广域网连接技术。在路由器上插入一块POS模块，路由器就可以提供POS接口。[1] 另外，还有一种意思：IP ON SDH，简写为POS，就是让IP在SDH的网上跑，其中，SDH是一种物理传输方式

双D触发器,以下为英文资料复制，希望对你有帮助:)

n SET - RESET CAPABILITY

n STATIC FLIP-FLOP OPERATION - RETAINS

STATE INDEFINITELY WITH CLOCK LEVEL

EITHER "HIGH" OR "LOW"

n MEDIUM SPEED OPERATION 16MHz (TYP)

CLOCK TOGGLE RATE AT 10V

n STANDARDIZED SYMMETRICAL OUTPUT

CHARACTERISTICS

n QUIESCENT CURRENT SPECIFIED UP TO

20V

n 5V, 10V AND 15V PARAMETRIC RATINGS

n INPUT LEAKAGE CURRENT

II = 100nA (MAX) AT VDD = 18V TA = 25°C

n 100% TESTED FOR QUIESCENT CURRENT

n MEETS ALL REQUIREMENTS OF JEDEC

JESD13B " STANDARD SPECIFICATIONS

FOR DESCRIPTION OF B SERIES CMOS

DEVICES"

DESCRIPTION

The HCF4013B is a monolithic integrated circuit

fabricated in Metal Oxide Semiconductor

technology available in DIP and SOP packages

The HCF4013B consists of two identical,

independent data type flip-flops Each flip-flop has

independent data, set, reset, and clock inputs and

Q and Q outputs This device can be used for shift

register applications, and, by connecting Q output

to the data input, for counter and toggle

applications The logic level present at the D input

is transferred to the Q output during the

positive-going transition of the clock pulse Setting

or resetting is independent of the clock and is

accomplished by a high level on the set or reset

line, respectively

HCF4013B

DUAL D-TYPE FLIP FLOP

PIN CONNECTION

ORDER CODES

PACKAGE TUBE T & R

DIP HCF4013BEY

SOP HCF4013BM1 HCF4013M013TR

DIP SOP

HCF4013B

2/9

INPUT EQUIVALENT CIRCUIT

LOGIC DIAGRAM

PIN DESCRIPTION

TRUTH TABLE

X : Don’t Care

D : Low Level

ABSOLUTE MAXIMUM RATINGS

Absolute Maximum Ratings are those values beyond which damage to the device may occur Functional operation under these conditions is

not implied

All voltage values are referred to VSS pin voltage

RECOMMENDED OPERATING CONDITIONS

PIN No SYMBOL NAME AND FUNCTION

3, 11 CLOCK1

CLOCK2

Clock Inputs

4, 10

RESET1

RESET2

Reset Inputs

6, 8 SET1, SET2 Set Inputs

5, 9 D1, D2 Data Inputs

1, 13 Q1, Q2 Data Outputs

2, 12 Q1, Q2 Data Outputs

7 VSS Negative Supply Voltage

14 VDD Positive Supply Voltage

CLOCKD D RESET SET Q Q

L L L L H

H L L H L

X L L Q Q

X X H L L H

X X L H H L

X X H H H H

Symbol Parameter Value Unit

VDD Supply Voltage -05 to +22 V

VI DC Input Voltage -05 to VDD + 05 V

II DC Input Current ± 10 mA

PD Power Dissipation per Package 200 mW

Power Dissipation per Output Transistor 100 mW

Top Operating Temperature -55 to +125 °C

Tstg Storage Temperature -65 to +150 °C

Symbol Parameter Value Unit

VDD Supply Voltage 3 to 20 V

VI Input Voltage 0 to VDD V

Top Operating Temperature -55 to 125 °C

HCF4013B

3/9

DC SPECIFICATIONS

The Noise Margin for both "1" and "0" level is: 1V min with VDD=5V, 2V min with VDD=10V, 25V min with VDD=15V

Symbol Parameter

Test Condition Value

Unit VI

(V)

VO

(V)

|IO|

(mA)

VDD

(V)

TA = 25°C -40 to 85°C -55 to 125°C

Min Typ Max Min Max Min Max

IL Quiescent Current 0/5 5 002 1 30 30

mA

0/10 10 002 2 60 60

0/15 15 002 4 120 120

0/20 20 004 20 600 600

VOH High Level Output

Voltage

0/5 <1 5 495 495 495

V 0/10 <1 10 995 995 995

0/15 <1 15 1495 1495 1495

VOL Low Level Output

Voltage

5/0 <1 5 005 005 005

V 10/0 <1 10 005 005 005

15/0 <1 15 005 005 005

VIH High Level Input

Voltage

05/45 <1 5 35 35 35

V 1/9 <1 10 7 7 7

15/135 <1 15 11 11 11

VIL Low Level Input

Voltage

45/05 <1 5 15 15 15

V 9/1 <1 10 3 3 3

135/15 <1 15 4 4 4

IOH Output Drive

Current

0/5 25 <1 5 -136 -32 -115 -11

mA

0/5 46 <1 5 -044 -1 -036 -036

0/10 95 <1 10 -11 -26 -09 -09

0/15 135 <1 15 -30 -68 -24 -24

IOL Output Sink

Current

0/5 04 <1 5 044 1 036 036

mA 0/10 05 <1 10 11 26 09 09

0/15 15 <1 15 30 68 24 24

II Input Leakage

Current

0/18 Any Input 18 ±10-5 ±01 ±1 ±1 mA

CI Input Capacitance Any Input 5 75 pF

HCF4013B

4/9

DYNAMIC ELECTRICAL CHARACTERISTICS (Tamb = 25°C, CL = 50pF, RL = 200KW, tr = tf = 20 ns)

() Typical temperature coefficient for all VDD value is 03 %/°C

(1) Input tr, tf = 5ns

(2) If more than unit is cascaded in a parallel clocked application, tr should be made less than or equal to the sum of the fixed propagation

delay time at 15pF and the transition time of the carry output driving stage for the estimated capacitive load

Symbol Parameter

Test Condition Value () Unit

VDD (V) Min Typ Max

tTLH tTHL Propagation Delay Time

(CLOCK to Q or Q outputs)

5 150 300

ns 10 65 130

15 45 90

tPLH Propagation Delay Time

(SET to Q or RESET to Q)

5 150 300

ns 10 65 130

15 45 90

tPHL Propagation Delay

Time(SET to Q or RESET

to Q)

5 200 400

ns 10 85 170

15 60 120

tTHL tTLH Transition Time 5 100 200

ns 10 50 100

15 40 80

fCL

(1) Maximum Clock Input

Frequency

5 35 7

MHz 10 8 16

15 12 24

tW Clock Pulse Width 5 140 70

ns 10 60 30

15 40 20

tr , tf

(2) Clock Input Rise or Fall

Time

5 15

ms 10 4

15 1

tW Set or Reset Pulse Width 5 180 90

ns 10 80 40

15 50 25

tsetup Data Setup Time 5 40 20

ns 10 20 10

15 15 7

HCF4013B

5/9

TEST CIRCUIT

CL = 50pF or equivalent (includes jig and probe capacitance)

RL = 200KW

RT = ZOUT of pulse generator (typically 50W)

WAVEFORM 1 : CLOCK TO Qn, Qn PROPAGATION DELAY TIMES, Dn TO CLOCK SETUP AND

HOLD TIMES, CLOCK MINIMUM PULSE WITDH, MAXIMUM CLOCK FREQUENCY

(f=1MHz; 50% duty cycle)

HCF4013B

6/9

WAVEFORM 2 : PROPAGATION DELAY TIMES (Qn, Qn TO SET, RESET), MINIMUM PULSE WIDTH

(SET AND RESET) (f=1MHz; 50% duty cycle)

HCF4013B

7/9

DIM

mm inch

MIN TYP MAX MIN TYP MAX

a1 051 0020

B 139 165 0055 0065

b 05 0020

b1 025 0010

D 20 0787

E 85 0335

e 254 0100

e3 1524 0600

F 71 0280

I 51 0201

L 33 0130

Z 127 254 0050 0100

Plastic DIP-14 MECHANICAL DATA

P001A

HCF4013B

8/9

DIM

mm inch

MIN TYP MAX MIN TYP MAX

A 175 0068

a1 01 02 0003 0007

a2 165 0064

b 035 046 0013 0018

b1 019 025 0007 0010

C 05 0019

c1 45° (typ)

D 855 875 0336 0344

E 58 62 0228 0244

e 127 0050

e3 762 0300

F 38 40 0149 0157

G 46 53 0181 0208

L 05 127 0019 0050

M 068 0026

S 8° (max)

SO-14 MECHANICAL DATA

PO13G

HCF4013B

Information furnished is believed to be accurate and reliable However, STMicroelectronics assumes no responsibility for the

consequences of use of such information nor for any infringement of patents or other rights of third parties which may result from

its use No license is granted by implication or otherwise under any patent or patent rights of STMicroelectronics Specifications

mentioned in this publication are subject to change without notice This publication supersedes and replaces all information

previously supplied STMicroelectronics products are not authorized for use as critical components in life support devices or

systems without express written approval of STMicroelectronics

© The ST logo is a registered trademark of STMicroelectronics

© 2001 STMicroelectronics - Printed in Italy - All Rights Reserved

STMicroelectronics GROUP OF COMPANIES

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Singapore - Spain - Sweden - Switzerland - United Kingdom

© >

estimate估计

demands需求

in terms of 说到；在……方面

custom 风俗

customer 顾客

tear -- tore 撕破

only to do 不料，没想到

I tore open the box,only to discover that some papers were missing

If the work to be completed by the end of this month is delayed,the construction company will be heavily fined

it's hard to remember a name when one doesn't have a face to go with it 如果没见过面很难记住一个人的名字

Never before has he seen any lady who can play tennis as well as Maria之前从来没见过

The used car I bought cost four thousandpounds有具体的数字用单数

What's the matter with you You look so pale一般现在时

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