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參數(shù)資料
| 型號： | MM5451 |
| 廠商： | Micrel Semiconductor,Inc. |
| 英文描述： | LED Display Driver(LED顯示驅(qū)動器) |
| 中文描述： | LED顯示驅(qū)動器（發(fā)光二極管顯示驅(qū)動器） |
| 文件頁數(shù)： | 1/8頁 |
| 文件大?。?/td> | 81K |
| 代理商： | MM5451 |
MM5450/5451
Micrel
May 2000
1
MM5450/5451
MM5450/5451
LED Display Driver
General Description
The MM5450 and MM5451 LED display drivers are monolithic
MOS IC’s fabricated in an N-Channel, metal-gate process.
The technology produces low-threshold, enhancement-mode,
and ion-implanted depletion-mode devices.
A single pin controls the LED display brightness by setting a
reference current through a variable resistor connected to
the supply.
Applications
Industrial control indicator
Relay driver
Digital clock, thermometer, counter, voltmeter
Instrumentation readouts
Features
Continuous brightness control
Serial data input
No load signal requirement
Enable (on MM5450)
Wide power supply operation
TTL compatibility
34 or 35 outputs, 15mA capability
Alphanumeric capability
870 01
Figure 1.
35 OUTPUT BUFFERS
35 LATCHES
35-BIT SHIFT
REGISTERS
LOAD
RESET
RESET
(only available
in die form)
SERIAL DATA
22
CLOCK
21
DATA ENABLE/OUT 35
(See Note 1)
23
19
20
24
OUT 34
18
OUT 1
1
BRIGHTNESS
CONTROL
VDD
Note 1: Pin 23 is Data Enable in MM5450
Pin 23 is Output 35 in MM5451
Block Diagram
Micrel, Inc. 1849 Fortune Drive San Jose, CA 95131 USA tel + 1 (408) 944-0800 fax + 1 (408) 944-0970 http://www.micrel.com
Ordering Information
Part Number
MM5450BN
MM5451BN
MM5450BV
MM5451BV
Junction Temp. Range
–
40
°
C to +85
°
C
–
40
°
C to +85
°
C
–
40
°
C to +85
°
C
–
40
°
C to +85
°
C
Package
40-pin Plastic DIP
40-pin Plastic DIP
44-pin PLCC
44-pin PLCC
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MM5451BN | 功能描述:IC DRIVER DISPLAY LED 40DIP RoHS:否 類別:集成電路 (IC) >> PMIC - 顯示器驅(qū)動器 系列:- 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:2,500 系列:- 顯示器類型:真空熒光 (VF) 配置:5 x 7（矩陣） 接口:串行 數(shù)字或字符:- 電流 - 電源:3.5mA 電源電壓:2.7 V ~ 3.6 V 工作溫度:-40°C ~ 125°C 安裝類型:表面貼裝 封裝/外殼:16-SSOP（0.154"，3.90mm 寬） 供應(yīng)商設(shè)備封裝:16-QSOP 包裝:帶卷 (TR) |
| MM5451BV | 功能描述:LED顯示驅(qū)動器 LED Display Driver RoHS:否 制造商:Micrel 數(shù)位數(shù)量:5 片段數(shù)量: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:PLCC-44 工作電源電壓:4.75 V to 11 V 最大電源電流:10 mA 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝:Tube |
| MM5451BV TR | 功能描述:LED顯示驅(qū)動器 LED Display Driver RoHS:否 制造商:Micrel 數(shù)位數(shù)量:5 片段數(shù)量: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:PLCC-44 工作電源電壓:4.75 V to 11 V 最大電源電流:10 mA 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝:Tube |
| MM5451N | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:LED Display Drivers |
| MM5451V | 制造商:Texas Instruments 功能描述:LED DISPLAY DRIVER 5451 PLCC44 |
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