Datasheet > AD6312LF

AD6312LF

更新时间： 2024-02-14 08:41:03

品牌	Logo	应用领域
ICT		/
页数	文件大小	规格书
13页	226K
描述
Vacuum Fluorescent Driver, 22-Segment, PQFP44, LEAD FREE, LQFP-44

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技术参数
数据手册

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AD6312LF 技术参数

是否Rohs认证：	符合	生命周期：	Transferred
包装说明：	QFP, QFP44,.47SQ,32	Reach Compliance Code：	unknown
风险等级：	5.76	JESD-30 代码：	S-PQFP-G44
端子数量：	44	最高工作温度：	70 °C
最低工作温度：		封装主体材料：	PLASTIC/EPOXY
封装代码：	QFP	封装等效代码：	QFP44,.47SQ,32
封装形状：	SQUARE	封装形式：	FLATPACK
电源：	5 V	认证状态：	Not Qualified
子类别：	Display Drivers	标称供电电压：	5 V
表面贴装：	YES	温度等级：	COMMERCIAL
端子形式：	GULL WING	端子节距：	0.8 mm
端子位置：	QUAD	Base Number Matches：	1

AD6312LF 数据手册

AD6312

1/4- to 1/11 Duty VFD Controller/Driver

ꢀPin Descriptions

Symbol

Name

No.

Description

Input serial data at rising edge of shift clock,

D_IN

Data input

starting from the low order bit.

Output serial data at the falling edge of the shift

clock, starting from low order bit. This is N-ch

open-drain output pin.

D_OUT

Data output

Initializes serial interface at the rising or falling

edge of the AD6312. It then waits for reception of

a command. Data input after STB falling is

processed as a command. While command data

is processed, current processing is stopped, and

the serial interface is initialized. While STB is

high, CLK is ignored.

STB

CLK

Strobe

Reads serial data at the rising edge, and outputs

Clock input

data at the falling edge.

Connect resistor in between this pin and Vss to

set up the oscillation frequency.

OSC

Oscillator pin

High-voltage output (Segment)

High-voltage output

Seg₇to Seg₁₁

21 to 25

15 to 20

32 to 37

Segment output pins

Seg₁/KS₁to

Seg₆/KS₆

Multi-function pins, Segment output pins (Dual

function as key scan source)

Grid₁to Grid₆

High-voltage output (Grid)

High-voltage output (Segment/grid)

LED output

Grid output pins

Seg₁₂/Grid₁₁to

Seg₁₆/Grid₇

26,

These pins are selectable for segment or grid

driving.

28 to 31

LED₁to LED₄

39to 42

CMOS output

Data input to these pins is latched at the end of

the display cycle.

KEY₁to KEY₄

Key data input

10 to 13

V_DD

V_SS

Logic power

Logic ground

Pull-down level

Switch input

14, 38

7, 43

Logic power supply

Connect this pin to system GND.

Driver power supply

V_EE

These pins constitute a 4-bit general-purpose

input port.

SW₁to SW₄

1 to 4

ꢀ Ordering Information

AD6312 X X X

Packing

Package

Lead

Q: QFP-44L

L: LQFP-44L

Blank: Normal

F: Lead Free

Blank : Tray

Anachip Corp.

www.anachip.com.tw

Rev. A4 Dec 29, 2003

2/13

123 4 5 6 7...13

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