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74AHCT164

400

8-BIT PARALLEL-OUT SERIAL SHIFT REGISTERS

Description

The 74AHCT164 is a serial input 8-bit edge-triggered shift register

that has outputs from each of eight stages. The device features TTL

compatible inputs.

SERIAL DATA INPUT PINS

The serial input data is entered at pin SDA or pin SDB as these are

logically ANDED. Either input could be used as an active HIGH

enable with data entry on the other pin. If a single input is desired,

the pins can be tied together or the unused input can be tied HIGH.

DATA ENTRY

Data is shifted into Q0 from the serial input pins on each LOW to

HIGH transition of the CP pin. Also during the CP edge the data is

transferred from each Qn to Qn+1. The serial data on pins DSA and

DSB must be stable before and after the CP rising edge to meet the

set-up and hold timing requirements.

RESET

When asserted LOW the Master Reset (

MR

) pin sets all Qn to LOW.

This action does not depend on the condition of serial input or clock

pins. The

MR

must be asserted HIGH for a recovery time before the

next CP positive edge pulse.

Pin Assignments

( Top View )

DSA

DSB

Q0

Q1

Q2

Q3

GND

1

2

3

4

5

6

7

14

13

12

11

10

9

8

Vcc

Q7

Q6

Q5

Q4

MR

CP

NEW PRODUCT

SO-14 / TSSOP-14 / PDIP-14

Features



Supply Voltage Range from 4.5V to 5.5V

Sinks or Sources 8mA at V

CC

= 4.5V

TTL Compatible Inputs

CMOS Low Power Consumption

Schmitt Trigger Action at All Inputs

ESD Protection Exceeds JESD 22



200-V Machine Model (A115)



2000-V Human Body Model (A114)



1000-V Charged Device Model (C101)

Range of Package Options SO-14 and TSSOP-14

Totally Lead-Free & Fully RoHS Compliant (Notes 1 & 2)

Halogen and Antimony Free. “Green” Device (Note 3)

Applications



General Purpose Logic

Wide Array of Products Such as:



PCs, Networking, Notebooks, Netbooks



Computer Peripherals, Hard Drives, CD/DVD ROMs



TVs, DVDs, DVRs, Set-Top Boxes



Notes:

1. No purposely added lead. Fully EU Directive 2002/95/EC (RoHS) & 2011/65/EU (RoHS 2) compliant.

2. See http://www.diodes.com/quality/lead_free.html for more information about Diodes Incorporated’s definitions of Halogen- and Antimony-free, "Green"

and Lead-free.

3. Halogen- and Antimony-free "Green” products are defined as those which contain <900ppm bromine, <900ppm chlorine (<1500ppm total Br + Cl) and

<1000ppm antimony compounds.

Device ordering information is on page 7

74AHCT164

Document number: DS36282 Rev. 2 - 2

1 of 10

www.diodes.com

August 2015

74AHCT164

400

Pin Descriptions

Pin Number

1

2

3

4

5

6

Pin Name

DSA

DSB

Q0

Q1

Q2

Q3

GND

CP

MR

Function

Serial Data Input

Data Output

Ground

Clock Pulse –Positive Edge Triggered

Master Reset - Asynchronous

Data Output

Supply Voltage

NEW PRODUCT

7

8

9

10

11

12

13

14

Q4

Q5

Q6

Q7

V

CC

Function Table

Mode

Reset

Shift

Input

MR

Output

DSA

X

L

X

H

DSB

X

L

H

Q0

L

H

Q1-Q7

L

Qn←Qn-1 (n= 1 to7)

CP

X

L

H

↑

Note:

4. Signals asserted on DSA and DSB must be in place longer than Tsu (set up time) before CP occurs and remain in place Thold (hold time) after CP.

74AHCT164

Document number: DS36282 Rev. 2 - 2

2 of 10

www.diodes.com

August 2015

74AHCT164

400

Logic Diagram

DSA

DSB

CP

NEW PRODUCT

1

2

8

9

3

4

5

6

10

11

12

13

D Q

C

R

D Q

C

R

D Q

C

R

D Q

C

R

D Q

C

R

D Q

C

R

D Q

C

R

D Q

C

R

MR

Q0

Q1

Q2

Q3

Q4

Q5

Q6

Q7

Timing Diagram

MR

0

CP

DSA

DSB

unknown

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

Q0

unknown

Q1

unknown

Q2

unknown

Q3

unknown

Q4

unknown

Q5

unknown

Q6

unknown

Q7

Reset

All Q=0

Reset

All Q=0

Notes:

5. All Q values are reset to LOW when

MR

goes low.

MR

is asynchronous and overrides all other signals.

6. Serial data supplied at DSA and DSB is ANDED and transferred to Q0 on positive edge of CP.

74AHCT164

Document number: DS36282 Rev. 2 - 2

3 of 10

www.diodes.com

August 2015

74AHCT164

400

Absolute Maximum Ratings

(Note 7) (T

A

= +25°C, unless otherwise specified.)

Symbol

ESD HBM

ESD CDM

ESD MM

V

CC

V

I

IK

Description

Human Body Model ESD Protection

Charged Device Model ESD Protection

Machine Model ESD Protection

Supply Voltage Range

Input Voltage Range (Note 8)

Input Clamp Current

Output Clamp Current

V

I

< -0.5V

V

O

< -0.5V or V

O

> V

CC

+0.5V

Rating

2

1

200

-0.5 to +7.0

-20

±20

±25

75

-75

-40 to +150

-65 to +150

500

Unit

kV

V

mA

°C

mW

NEW PRODUCT

I

OK

I

O

I

CC

I

GND

T

J

T

STG

P

TOT

Notes:

Continuous Output Current -0.5V < V

O

V

CC

+0.5V

Continuous Current Through Vcc

Continuous Current Through GND

Operating Junction Temperature

Storage Temperature

Total Power Dissipation

7. Stresses beyond the absolute maximum may result in immediate failure or reduced reliability. These are stress values and device operation should

be within recommend values.

8. Input Voltage cannot exceed Vcc to the extent the Maximum clamp current is exceeded.

Recommended Operating Conditions

(Note 9) (T

A

= +25°C, unless otherwise specified.)

Symbol

V

CC

V

I

V

O

Δt/ΔV

T

A

Note:

Parameter

Supply Voltage

Input Voltage

Output Voltage

Input transition rise or fall rate

Operating Free-Air Temperature

Conditions

-

V

CC

= 4.5V to 5.5V

-

Min

4.5

0

-

-40

Max

5.5

V

CC

20

+125

Unit

V

ns/V

°C

9. Unused inputs should be held at V

CC

or Ground.

Electrical Characteristics

Symbol

Parameter

High-Level

Input Voltage

Low-Level

Input Voltage

(T

A

= +25°C, unless otherwise specified.)

T

A

= +25°C

V

CC

Min.

4.5V to

5.5V

4.5V to

5.5V

4.5V

0V or

5.5V

2.0

-

4.4

3.94

-

0

-

Typ.

-

4.5

Max.

-

0.8

-

0.1

0.36

±0.1

4.0

T

A

= -40°C to

+85°C

Min.

Max.

2.0

-

4.4

3.80

-

0.1

0.44

±1

40

-

0.8

T

A

= -40°C to +125°C

Min.

2.0

-

4.4

3.70

-

Max.

-

0.8

-

0.1

0.55

±2

80

Unit

-

V

μA

Test

Conditions

-

V

IH

V

IL

V

OH

V

OL

I

CC

I

OH

= -50μA

High-Level

Output Voltage I

OH

= -8mA

I

OL

= 50μA

Low-Level

Output Voltage I

OL

= 8mA

Input Current

Supply Current

V

I

=GND or

5.5V

∆I

CC

V

I

= GND or

V

CC

, I

O

= 0A

V

I

=V

CC

-2.1V

I

O

= 0

Additional

Supply Current Other inputs

at V

CC

or

GND

4.5V to

5.5V

-

1.35

-

1.5

-

1.5

mA

74AHCT164

Document number: DS36282 Rev. 2 - 2

4 of 10

www.diodes.com

August 2015

74AHCT164

400

Switching Characteristics

Symbol /

Parameter

f

MAX

Maximum

Frequency

t

W

Pins

Test

Conditions

Figure 1

CP

HIGH or

LOW

t

SU

Set-up Time

t

H

Hold Time

t

PD

Propagation

Delay

t

rec

Recovery Time

t

PHL

HIGH to LOW

Propagation

Delay

DSA or

DSB to CP

DSA or

DSB to CP

CP to Qn

C

L

= 15pF

C

L

= 50pF

-

4.5V to

5.0V

4.5V to

5.0V

4.5V to

5.0V

4.5V to

5.0V

4.5V to

5.0V

4.5V to

5.0V

4.5V to

5.0V

4.5V to

5.0V

-

2.5

-

3.4

4.9

-

3.5

9.0

11.0

-

8.6

1.0

2.5

1.0

10.5

12.5

-

10.0

1.0

-

1.0

11.5

14.0

2.5

11.0

ns

2.0

-

2.0

-

2.0

-

4.5

-

4.5

-

4.5

-

5.0

-

5.0

-

5.0

-

T

A

= +25°C

V

CC

Min

125

85

5.0

Typ.

175

115

-

Max

-

-40°C to +85°C

Min

105

75

5.0

Max

-

-40°C to +125°C

Min

85

65

5.0

Max

-

Unit

-

MHz

ns

NEW PRODUCT

Pulse Width

-

C

L

= 15pF

C

L

= 50pF

-

C

L

= 15pF

ns

to CP

ns

to Qn

C

L

= 50pF

ns

5.0

10.6

1.0

12.0

1.0

13.5

Operating Characteristics

(T

A

= +25°C, unless otherwise specified.)

Parameter

C

pd

C

I

Power Dissipation Capacitance per

Gate

Input Capacitance

Test Conditions

f = 1 MHz

V

I

= V

CC

– or GND

V

CC

= 5.5V

Typ

51

3.5

Maximum

-

10

Unit

pF

74AHCT164

Document number: DS36282 Rev. 2 - 2

5 of 10

www.diodes.com

August 2015

参数名称	属性值
逻辑类型	移位寄存器
输出类型	推挽式
元件数	1
每元件位数	8
功能	串行至并行
电压 - 电源	4.5 V ~ 5.5 V
工作温度	-40°C ~ 125°C
安装类型	表面贴装
封装/外壳	14-SOIC（0.154"，3.90mm 宽）
供应商器件封装	14-SO

	74AHCT164S14-13	74AHCT164D14	74AHCT164T14-13
描述	LOGIC AHCT STD SO-14	Counter Shift Registers 8-bit Parallel Out 4.5 to 5.5 8mA	Counter Shift Registers 8-Bit Counter Shift High Speed CMOS
系列 Packaging	-	Tube	Reel
产品种类 Product Category	-	Counter Shift Registers	Counter Shift Registers
制造商 Manufacturer	-	Diodes	Diodes
RoHS	-	Details	Details
工厂包装数量 Factory Pack Quantity	-	1000	2500

74AHCT164S14-13

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