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CD54HC40103

更新时间： 2024-11-23 21:57:59

品牌	Logo	应用领域
德州仪器 - TI		计数器
页数	文件大小	规格书
14页	280K
描述
High-Speed CMOS Logic 8-Stage Synchronous Down Counters

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数据手册
替代型号

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CD54HC40103 数据手册

CD54HC40103, CD74HC40103,

CD74HCT40103

Data sheet acquired from Harris Semiconductor

SCHS221D

High-Speed CMOS Logic

8-Stage Synchronous Down Counters

November 1997 - Revised October 2003

Features

Description

• Synchronous or Asynchronous Preset

• Cascadable in Synchronous or Ripple Mode

The ’HC40103 and CD74HCT40103 are manufactured with

high speed silicon gate technology and consist of an 8-stage

synchronous down counter with a single output which is

active when the internal count is zero. The 40103 contains a

single 8-bit binary counter. Each has control inputs for

enabling or disabling the clock, for clearing the counter to its

maximum count, and for presetting the counter either

[ /Title

(CD74H

C40103,

CD74H

CT4010

/Sub-

ject

(High

• Fanout (Over Temperature Range)

- Standard Outputs. . . . . . . . . . . . . . . 10 LSTTL Loads

- Bus Driver Outputs . . . . . . . . . . . . . 15 LSTTL Loads

• Wide Operating Temperature Range . . . -55 C to 125 C synchronously or asynchronously. All control inputs and the

TC output are active-low logic.

• Balanced Propagation Delay and Transition Times

In normal operation, the counter is decremented by one

• Signiﬁcant Power Reduction Compared to LSTTL

count on each positive transition of the CLOCK (CP).

Logic ICs

Counting is inhibited when the TE input is high. The TC

output goes low when the count reaches zero if the TE input

is low, and remains low for one full clock period.

• HC Types

Speed

CMOS

Logic 8-

- 2V to 6V Operation

- High Noise Immunity: N = 30%, N = 30% of V

When the PE input is low, data at the P0-P7 inputs are

clocked into the counter on the next positive clock transition

regardless of the state of the TE input. When the PL input is

low, data at the P0-P7 inputs are asynchronously forced into

the counter regardless of the state of the PE, TE, or CLOCK

inputs. Input P0-P7 represent a single 8-bit binary word for

the 40103. When the MR input is low, the counter is

at V

= 5V

• HCT Types

- 4.5V to 5.5V Operation

- Direct LSTTL Input Logic Compatibility,

V = 0.8V (Max), V = 2V (Min)

- CMOS Input Compatibility, I ≤ 1µA at V , V

OL OH

asynchronously cleared to its maximum count of 255

regardless of the state of any other input. The precedence

relationship between control inputs is indicated in the truth

table.

Ordering Information

TEMP. RANGE

If all control inputs except TE are high at the time of zero

count, the counters will jump to the maximum count, giving a

PART NUMBER

CD54HC40103F3A

CD74HC40103E

( C)

PACKAGE

-55 to 125

16 Ld CERDIP

16 Ld PDIP

16 Ld SOIC

16 Ld PDIP

16 Ld SOIC

counting sequence of 100 or 256 clock pulses long.

16 10

The 40103 may be cascaded using the TE input and the TC

output, in either a synchronous or ripple mode. These

circuits possess the low power consumption usually

associated with CMOS circuitry, yet have speeds

comparable to low power Schottky TTL circuits and can drive

up to 10 LSTTL loads.

CD74HC40103M

CD74HC40103MT

CD74HC40103M96

CD74HCT40103E

CD74HCT40103M

CD74HCT40103MT

CD74HCT40103M96

NOTE: When ordering, use the entire part number. The sufﬁx 96

denotes tape and reel. The sufﬁx T denotes a small-quantity reel

of 250.

CAUTION: These devices are sensitive to electrostatic discharge. Users should follow proper IC Handling Procedures.

12 3 4 5 6 7...14

中文翻译

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CD54HC40103 替代型号

型号	品牌	替代类型	描述	数据表
CD74HC40103-EP	TI	功能相似	HIGH-SPEED CMOS LOGIC 8-STAGE SYNCHRONOUS DOWN COUNTER
CD74HC40103-Q1	TI	功能相似	HIGH-SPEED CMOS LOGIC 8-STAGE SYCROOS,
CD74HC40103	TI	功能相似	High Speed CMOS Logic 8-Stage Synchronous Down Counters

与CD54HC40103相关器件

型号	品牌	获取价格	描述	数据表
CD54HC40103_03	TI	获取价格	High-Speed CMOS Logic 8-Stage Synchronous Down Counters
CD54HC40103_07	TI	获取价格	High-Speed CMOS Logic 8-Stage Synchronous Down Counters
CD54HC40103_08	TI	获取价格	High-Speed CMOS Logic 8-Stage Synchronous Down Counters
CD54HC40103E	ETC	获取价格	Logic IC
CD54HC40103EN	ETC	获取价格	Logic IC
CD54HC40103F	TI	获取价格	High-Speed CMOS Logic 8-Stage Synchronous Down Counters
CD54HC40103F	RENESAS	获取价格	IC,COUNTER,DOWN,8-BIT BINARY,HC-CMOS,DIP,16PIN,CERAMIC
CD54HC40103F/3	RENESAS	获取价格	HC/UH SERIES, SYN POSITIVE EDGE TRIGGERED 8-BIT DOWN BINARY COUNTER, CDIP16
CD54HC40103F/3A	RENESAS	获取价格	IC HC/UH SERIES, SYN POSITIVE EDGE TRIGGERED 8-BIT DOWN BINARY COUNTER, CDIP16, Counter
CD54HC40103F3A	TI	获取价格	High-Speed CMOS Logic 8-Stage Synchronous Down Counters

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