as2591 austriamicrosystems, as2591 Datasheet - Page 10

• Manufacturer Part Number: as2591
• Description: 16-digit Lcd Driver Cmos Integrated Circuit
• Manufacturer: austriamicrosystems

Preliminary
Electrical Characteristics
Recommended operating conditions unless otherwise specified.
Symbol
F
t
f
R
R
Package Outline
44 Pin TQFP
Devices sold by Austria Mikro Systeme Int. AG are covered by the warranty and patent indemnification provisions appearing in
its Term of Sale. Austria Mikro Systeme Int. AG makes no warranty, express, statutory, implied, or by description regarding
the information set forth herein or regarding the freedom of the described devices from patent infringement Austria Mikro
Systeme Int. AG reserves the right to change specifications and prices at any time and without notice. Therefore, prior to
designing this product into a system, it is necessary to check with Austria Mikro Systeme Int. AG for current information. This
product is intended for use in normal commercial applications. Applications requiring extended temperature range, unusual
environmental requirements, or high reliability applications, such as military, medical life-support or life-sustaining equipment
are specifically not recommended without additional processing by Austria Mikro Systeme Int. AG for each application.
Copyright © 1999, Austria Mikro Systeme International AG, Schloss Premstätten, 8141 Unterpremstätten, Austria.
Trademarks Registered®. All rights reserved. The material herein may not be reproduced, adapted, merged, translated,
stored, or used without the prior written consent of the copyright owner.
Austria Mikro Systeme Int. AG reserves the right to change or discontinue this product without notice.
Rev. 1.0
OFF-TIMER
BLINK
LCD
COM
SEG
Parameter
LCD Frame Frequency
Off Timer
Blinking Frequency
Output Impedance of
Backplane Outputs
Output Impedance of
Segment Outputs
See Package Catalogue
Conditions
BF = 00
BF = 01
BF = 10
BF = 11
Page 10
Min.
4.75
61
Typ.
1.33
2.00
0.67
1.00
64
5
Max.
5.25
150
150
67
AS2591
May 1999
Units
Hz
sec
Hz
Hz
Hz
Hz
kohm
kohm