MC14526B

更新时间： 2024-11-04 04:59:27

品牌	Logo	应用领域
摩托罗拉 - MOTOROLA		计数器
页数	文件大小	规格书
10页	277K
描述
Presettable 4-Bit Down Counters

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数据手册

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MC14526B 数据手册

SEMICONDUCTOR TECHNICAL DATA

The MC14522B BCD counter and the MC14526B binary counter are

constructed with MOS P–channel and N–channel enhancement mode

devices in a monolithic structure.

L SUFFIX

CERAMIC

CASE 620

These devices are presettable, cascadable, synchronous down counters

with a decoded “0” state output for divide–by–N applications. In single stage

applications the “0” output is applied to the Preset Enable input. The

Cascade Feedback input allows cascade divide–by–N operation with no

additional gates required. The Inhibit input allows disabling of the pulse

counting function. Inhibit may also be used as a negative edge clock.

These complementary MOS counters can be used in frequency synthesiz-

ers, phase–locked loops, and other frequency division applications requiring

low power dissipation and/or high noise immunity.

P SUFFIX

PLASTIC

CASE 648

•

Supply Voltage Range = 3.0 Vdc to 18 Vdc

Logic Edge–Clocked Design — Incremented on Positive Transition of

Clock or Negative Transition of Inhibit

Asynchronous Preset Enable

Capable of Driving Two Low–power TTL Loads or One Low–power

Schottky TTL Load Over the Rated Temperature Range

DW SUFFIX

SOIC

CASE 751G

•

ORDERING INFORMATION

MC14XXXBCP

MC14XXXBCL

MC14XXXBDW

Plastic

Ceramic

SOIC

MAXIMUM RATINGS* (Voltages Referenced to V

)

Symbol

Parameter

DC Supply Voltage

Value

Unit

= – 55° to 125°C for all packages.

– 0.5 to + 18.0

V , V

Input or Output Voltage (DC or Transient)

– 0.5 to V

+ 0.5

in out

I , I

Input or Output Current (DC or Transient),

per Pin

± 10

in out

PIN ASSIGNMENT

Power Dissipation, per Package†

Storage Temperature

500

stg

– 65 to + 150

260

Lead Temperature (8–Second Soldering)

INHIBIT

* Maximum Ratings are those values beyond which damage to the device may occur.

†Temperature Derating:

“0”

Plastic “P and D/DW” Packages: – 7.0 mW/ C From 65 C To 125 C

Ceramic “L” Packages: – 12 mW/ C From 100 C To 125 C

CLOCK

RESET

FUNCTION TABLE

Inputs

Output

Resulting

Function

Preset Cascade

Enable Feedback

Clock Reset Inhibit

“0”

Asynchronous reset*

Asynchronous reset

This device contains protection circuitry to

guard against damage due to high static

voltages or electric fields. However, pre-

cautions must be taken to avoid applications of

any voltage higher than maximum rated volt-

ages to this high–impedance circuit. For proper

Asynchronous preset

Decrement inhibited

operation, V and V

should be constrained

out

No change** (inactive edge)

Decrement**

to the range V

(V or V

in out

)

Unused inputs must always be tied to an

appropriatelogic voltage level (e.g., either V

Decrement**

or V ). Unused outputs must be left open.

X = Don’t Care

NOTES:

*Output “0” is low when reset goes high only it PE and CF are low.

**Output “0” is high when reset is low, only if CF is high and count is 0000.

REV 3

1/94

Motorola, Inc. 1995

MOTOROLA CMOS LOGIC DATA

MC14522B MC14526B

12 3 4 5 6 7...10

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与MC14526B相关器件

型号	品牌	获取价格	描述	数据表
MC14526B_06	ONSEMI	获取价格	Presettable 4−Bit Down Counters
MC14526BAL	MOTOROLA	获取价格	Binary Counter, 4000/14000/40000 Series, Synchronous, Positive Edge Triggered, 4-Bit, Down
MC14526BALD	MOTOROLA	获取价格	暂无描述
MC14526BALDS	MOTOROLA	获取价格	4000/14000/40000 SERIES, SYN POSITIVE EDGE TRIGGERED 4-BIT DOWN BINARY COUNTER, CDIP16, 62
MC14526BALS	MOTOROLA	获取价格	IC,COUNTER,DOWN,4-BIT BINARY,CMOS,DIP,16PIN,CERAMIC
MC14526BCL	MOTOROLA	获取价格	Presettable 4-Bit Down Counters
MC14526BCLD	MOTOROLA	获取价格	Binary Counter, 4000/14000/40000 Series, Synchronous, Positive Edge Triggered, 4-Bit, Down
MC14526BCLDS	MOTOROLA	获取价格	4000/14000/40000 SERIES, SYN POSITIVE EDGE TRIGGERED 4-BIT DOWN BINARY COUNTER, CDIP16, 62
MC14526BCP	MOTOROLA	获取价格	Presettable 4-Bit Down Counters
MC14526BCP	ONSEMI	获取价格	Presettable 4-Bit Down Counters

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