Datasheet > ICM7224IPL

ICM7224IPL

更新时间： 2024-09-23 22:16:11

品牌	Logo	应用领域
英特矽尔 - INTERSIL		计数器
页数	文件大小	规格书
7页	573K
描述
41/2 Digit LCD Display Counter

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中文翻译

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数据手册

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ICM7224IPL 数据手册

ICM7224

May 2001

4 / Digit LCD Display Counter

Features

Description

• High Frequency Counting - Guaranteed 15MHz, Typically The ICM7224 device is a high-performance, CMOS 4 /

25MHz at 5V

digit counter, including decoder, output latch, display driver,

count inhibit, leading zero blanking, and reset circuitry.

• Low Power Operation - Typically Less Than 100µW

Quiescent

The counter section provides direct static counting, guaran-

teed from DC to 15MHz, using a 5V ±10% supply over the

operating temperature range. At normal ambient tempera-

tures, the devices will typically count up to 25MHz. The

COUNT input is provided with a Schmitt trigger to allow

operation in noisy environments and correct counting with

slowly changing inputs. The COUNT INHIBIT, STORE and

RESET inputs allow a direct interface with the ICM7207 and

ICM7207A to implement a low cost, low power frequency

counter with a minimum component count.

• STORE and RESET Inputs Permit Operation as

Frequency or Period Counter

• True COUNT INHIBIT Disables First Counter Stage

• CARRY Output for Cascading Four-Digit Blocks

• Schmitt-Trigger on the COUNT Input Allows Operation

in Noisy Environments or with Slowly Changing Inputs

• Leading Zero Blanking INput and OUTput for Correct

Leading Zero Blanking with Cascaded Devices

These devices also incorporate several features intended to

simplify cascading four-digit blocks. The CARRY output

allows the counter to be cascaded, while the Leading Zero

Blanking INput and OUTput allows correct Leading Zero

Blanking between four-decade blocks. The BackPlane driver

of the LCD devices may be disabled, allowing the segments

to be slaved to another backplane signal, necessary when

using an eight or twelve digit, single backplane display.

• Provides Complete Onboard Oscillator and Divider

Chain to Generate Backplane Frequency, or

Backplane Driver May be Disabled Allowing Segments

to be Slaved to a Master Backplane Signal

Pinout

These devices provide maximum count of 19999. The

display drivers are not of the multiplexed type and each dis-

play segment has its own individual drive pin, providing high

quality display outputs.

ICM7224

(PDIP)

TOP VIEW

Part Number Information

40 D1

39 C1

TEMP.

PKG.

NO.

38 B1

PART NUMBER RANGE ( C)

PACKAGE

40 Ld PDIP

37 A1

ICM7224IPL -25 to 85

E40.6

36 OSCILLATOR

34 STORE

33 RESET

32 COUNT

E2 10

G2 11

F2 12

A3 13

B3 14

C3 15

D3 16

E3 17

G3 18

F3 19

A4 20

31 COUNT INHIBIT

30 LZB OUT

29 LZB IN

28 CARRY

/ - DIGIT

26 F4

25 G4

24 E4

23 D4

22 C4

21 B4

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

1-888-INTERSIL or 321-724-7143 | Intersil (and design) is a registered trademark of Intersil Americas Inc.

File Number 3168.2

12 3 4 5 6 7

中文翻译

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与ICM7224IPL相关器件

型号	品牌	获取价格	描述	数据表
ICM7224IQH	ROCHESTER	获取价格	LIQUID CRYSTAL DISPLAY DRIVER, PQCC44, PLASTIC, LCC-44
ICM7224IQH+D	MAXIM	获取价格	Liquid Crystal Driver, 29-Segment, CMOS, PQCC44, ROHS COMPLIANT, PLASTIC, LCC-44
ICM7224IQH-D	MAXIM	获取价格	Liquid Crystal Driver, 29-Segment, CMOS, PQCC44, PLASTIC, LCC-44
ICM7224IQH-TD	MAXIM	获取价格	Liquid Crystal Driver, 29-Segment, CMOS, PQCC44, PLASTIC, LCC-44
ICM7225	MAXIM	获取价格	4 Digit Counter/Decoder/Driver
ICM7225	INTERSIL	获取价格	N-CHANNEL JFET
ICM7225	ADI	获取价格	4 1/2位、LCD、高速计数器及解码驱动器
ICM7225AIPL	INTERSIL	获取价格	TIMERS COUNTERS AND DISPLAY DRIVERS
ICM7225C/D	MAXIM	获取价格	4 Digit Counter/Decoder/Driver
ICM7225CQ	MAXIM	获取价格	4 Digit Counter/Decoder/Driver

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