Datasheet > TC7211AM

TC7211AM

更新时间： 2024-11-19 22:42:27

品牌	Logo	应用领域
TELCOM		驱动
页数	文件大小	规格书
7页	91K
描述
BUS COMPATIBLE 4-DIGIT CMOS DECODER/DRIVER

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中文翻译

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TC7211AM 数据手册

TC7211AM

BUS COMPATIBLE 4-DIGIT CMOS DECODER/DRIVER

FEATURES

GENERAL DESCRIPTION

■ 4-Digit Non-Multiplexed 7-Segment LCD Outputs

With Backplane Driver

■ Input and Digit Select Data Latches

■ RC Oscillator On-Chip Generates Backplane

Drive Signal

■ Eliminates DC Bias Which Degrades LCD Life

■ Backplane Input/Output Pin Permits

Synchronization of Cascaded Slave Device to

a Master Backplane Signal

■ Binary and BCD Inputs Decoded to Code B

(0 to 9, —, E, H, L, P, Blank)

The TC7211AM (LCD Decoder/driver) is a CMOS di-

rect drive, 4-digit, 7-segment display decoder and driver.

The TC7211AM drives conventional LCDs. An RC os-

cillator, divider chain, backplane driver, and 28-segment

outputs are provided on a single CMOS chip. The segment

drivers supply square waves of the same frequency as the

backplane, but in-phase for an OFF segment and out-of-

phase for an ON segment. The net DC voltage applied

between driver segment and backplane is near zero maxi-

mizing display lifetime.

The four bit binary input is decoded into the seven

segment alphanumeric code known as "Code B". The "Code

B" output format results in a 0 to 9,—, E, H, L, P or blank

display. True BCD or binary inputs will be correctly de-

coded to the seven segment display format.

■ Pin Compatible and Functionally Equivalent to

ICM7211AM

PIN CONFIGURATIONS

ORDERING INFORMATION

Driver

Type

Input

Output

Config.

Part No.

Package Code

Data and

Digit Select

Latches

TC7211AMIPL LCD

40-Pin

Code B

Plastic DIP

OSCILLATOR

GND

CHIP SELECT 2 (CS2)

CHIP SELECT 1 (CS1)

DIGIT SELECT 2 (DS2

DIGIT SELECT 1 (DS1

TC7211AM (LCD)

29 B2

DATA

INPUTS

TC7211AM-4 11/14/96

TELCOM SEMICONDUCTOR, INC.

6-7

12 3 4 5 6 7

中文翻译

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