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PDF LC7958NC Data sheet ( Hoja de datos )
| Número de pieza | LC7958NC | |
| Descripción | 64-Bit LED Driver for 300 dpi Printers | |
| Fabricantes | Sanyo Semicon Device | |
| Logotipo |  |
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Ordering number: ENN*6585
CMOS IC
LC7958NC
64-Bit LED Driver for 300 dpi Printers
Preliminary
Overview
LC7958NC is a 64-bit constant current LED driver IC
designed to directly drive LED head array.
The output terminals for LED drive are arranged in
2-row staggered position of 80-µm pitch at one side. It
enables drive of LED Array of 300-dpi in one side
disposition, 600dpi in both sides disposition
Features and Functions
• Logic voltage (VDD): +5 V ± 10 %
• LED drive current (IOH): 5.0 mA (TYP)
• Clock frequency (fc): 10 MHz
• Output current control circuit built in
• Mode switching function by the SEL pin
• Chip size: 1.43 mm × 5.39 mm
• Number of pads: 86
• 64-bit shift register circuit
• 64-bit latch circuit
• Output driver on/off switching function
• Constant current circuit
• 64-bit p-channel open drain LED driver
Any and all SANYO products described or contained herein do not have specifications that can handle
applications that require extremely high levels of reliability, such as life-support systems, aircraft's
control systems, or other applications whose failure can be reasonably expected to result in serious
physical and/or material damage. Consult with your SANYO representative nearest you before using
any SANYO products described or contained herein in such applications.
SANYO assumes no responsibility for equipment failures that result from using products at values that
exceed, even momentarily, rated values (such as maximum ratings, operating condition ranges, or other
parameters) listed in products specifications of any and all SANYO products described or contained
herein.
42800RM6585-1/11
1 page  
LC7958NC
Sample Application Circuit Diagram
GND
STROBE
VREF
VSS
VDD1
VDD2
(Input signal)
SI
CL OCK1
OPEN
LOAD1
VREF
SEL
STROBE
ADJ(-)
ADJ(+)
VSS
VDD 2
VDD 1
LOAD2
CL OCK
SO
DO1
DO64
SI
CL OCK1
LOAD1
VREF
SEL
STROB
ADJ(-)
ADJ(+)
VSS
VDD 2
VDD 1
LOAD
CL OCK
SO
DO 1
DO64
(To the next input stage)
Note 1: The electric potential of the IC substrate is at VDD1.
Note 2: The number of cascade connection stages should be within 60. (10MHz)
Note 3: All VDD2 terminals should be bonded.
Note 4: Leave the SEL Terminal of the odd-numbered IC open, and connect the SEL terminal of even-numbered IC with
VSS.
Note 5: Apply the stable potential other than the VDD1 and VDD2 lines to the VREF terminal.
6585-5/11
5 Page 
LC7958NC
Specifications of any and all SANYO products described or contained herein stipulate the performance,
characteristics, and functions of the described products in the independent state, and are not guarantees
of the performance, characteristics, and functions of the described products as mounted in the customer's
products or equipment. To verify symptoms and states that cannot be evaluated in an independent device,
the customer should always evaluate and test devices mounted in the customer's products or equipment.
SANYO Electric Co., Ltd. strives to supply high-quality high-reliability products. However, any and all
semiconductor products fail with some probability. It is possible that these probabilistic failures could
give rise to accidents or events that could endanger human lives, that could give rise to smoke or fire,
or that could cause damage to other property. When designing equipment, adopt safety measures so
that these kinds of accidents or events cannot occur. Such measures include but are not limited to protective
circuits and error prevention circuits for safe design, redundant design, and structural design.
In the event that any or all SANYO products(including technical data,services) described or
contained herein are controlled under any of applicable local export control laws and regulations,
such products must not be exported without obtaining the export license from the authorities
concerned in accordance with the above law.
No part of this publication may be reproduced or transmitted in any form or by any means, electronic or
mechanical, including photocopying and recording, or any information storage or retrieval system,
or otherwise, without the prior written permission of SANYO Electric Co., Ltd.
Any and all information described or contained herein are subject to change without notice due to
product/technology improvement, etc. When designing equipment, refer to the "Delivery Specification"
for the SANYO product that you intend to use.
Information (including circuit diagrams and circuit parameters) herein is for example only ; it is not
guaranteed for volume production. SANYO believes information herein is accurate and reliable, but
no guarantees are made or implied regarding its use or any infringements of intellectual property rights
or other rights of third parties.
This catalog provides information as of May, 2000 . Specifications and information herein are subject to
change without notice.
PS 6585-11/11
11 Page | ||
| Páginas | Total 11 Páginas | |
| PDF Descargar | [ Datasheet LC7958NC.PDF ] | |
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