msm5265 Oki Semiconductor, msm5265 Datasheet

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msm5265

Manufacturer Part Number
msm5265
Description
80-dot Lcd Driver
Manufacturer
Oki Semiconductor
Datasheet

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E2B0008-27-Y2
¡ Semiconductor
¡ Semiconductor
MSM5265
80-DOT LCD DRIVER
GENERAL DESCRIPTION
The MSM5265 is an LCD driver which can directly drive up to 80 segments in the static display
mode and up to 160 segments in the 1/2 duty dynamic display mode.
The MSM5265 is fabricated with low power CMOS metal gate technology. The MSM5265
consists of a 160-stage shift register, 160-bit data latch, 80 pairs of LCD drivers and a common
signal generator.
The display data is serially input from the DATA-IN pin to the 160-stage shift register synchronized
with the CLOCK pulse. The data is shifted into the 160-bit data latch by the LOAD signal. Then
the latched data is directly output to the LCD from the 80 pairs of LCD drivers as a serial output.
The common signal can be generated by the built-in generator, or externally input. The common
synchronization circuit which is used in the dynamic display mode is integrated on the chip.
FEATURES
• Supply voltage : 3.0 to 6.0 V
• Drives LCD of up to 80 segments (in the static display mode)
• Drives LCD of up to 160 segments (in the 1/2 duty dynamic display mode)
• Simple interface with microcomputer
• Bit-to-bit correspondence between input data and output data
• Can be cascade-connected
• Built-in common signal generator
• Can be synchronized with the external common signal
• Testing pins for all-on (SEG-TEST) and all-off (BLANK)
• Applicable as an output expander
• LCD driving voltage can be adjusted by the combination of V
• Package options:
100-pin plastic QFP (QFP100-P-1420-0.65-K)
100-pin plastic QFP (QFP100-P-1420-0.65-BK) (Product name : MSM5265GS-BK)
H: Display ON
L: Display OFF
(Product name : MSM5265GS-K)
Previous version: Mar. 1996
LC1
This version: Nov. 1997
and V
LC2
MSM5265
1/18

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msm5265 Summary of contents

Page 1

... LCD DRIVER GENERAL DESCRIPTION The MSM5265 is an LCD driver which can directly drive segments in the static display mode and up to 160 segments in the 1/2 duty dynamic display mode. The MSM5265 is fabricated with low power CMOS metal gate technology. The MSM5265 consists of a 160-stage shift register, 160-bit data latch, 80 pairs of LCD drivers and a common signal generator ...

Page 2

... OSC-IN EXT/INT SYNC To LCD panel SEG 1 80-Dot Segment Driver 80 80-Ch Data Selector 80 80 (A) (B) 80-Bit Data Latch 80-Bit Data Latch (A) (B) 80-Stage Shift Register 80-Stage Shift Register OSC 1/4 or 1/8 1/2 Common Driver SYNC Circuit MSM5265 SEG 80 DATA-OUT 2 DATA-OUT 1 V LC1 V LC2 COM-A COM-B COM-OUT 2/18 ...

Page 3

... SEG63 13 SEG64 14 SEG65 15 SEG66 16 SEG67 17 SEG68 18 SEG69 19 SEG70 20 SEG71 21 SEG72 22 SEG73 23 SEG74 24 SEG75 25 SEG76 26 SEG77 27 SEG78 28 SEG79 29 SEG80 30 100-Pin Plastic QFP MSM5265 80 SEG30 79 SEG29 78 SEG28 77 SEG27 76 SEG26 75 SEG25 74 SEG24 73 SEG23 72 SEG22 71 SEG21 70 SEG20 69 SEG19 68 SEG18 67 SEG17 66 SEG16 65 SEG15 64 SEG14 63 SEG13 62 SEG12 ...

Page 4

... DD LC2 LCD Corresponding pin Condition OSC-OUT OSC-OUT Film capacitor 0 R OSC- COM-A f COM COM-B (MSM5265) MSM5265 Rating Unit –0.3 to +6.5 GND–0 +0.3 DD –55 to +150 Range Unit – Min. Typ. Max. Unit — 56 100 220 0.001 — ...

Page 5

... LC2 — — = 150 mA = 250 mA — — — — = (5+V )/2 LC2 — — MSM5265 ( =–40 to +85°C) DD Applicable pin SEG-TEST, BLANK, LOAD, DATA-IN, CLOCK, 1.0 V D/S, EXT/INT, OSC-IN ±1 mA DATA-OUT1 DATA-OUT2 — V COM-OUT OSC-OUT — ...

Page 6

... f-L t PHL t PLH 0 MSM5265 Typ. Max. Unit Applicable Pin COM-A — 1.5 kW COM-B — 100 0.12 0 3 –40 to +85°C) DD Min. Max. Unit Applicable Pin — 1 MHz 0.3 — ms CLOCK 0.5 — ...

Page 7

... FUNCTIONAL DESCRIPTION Operational Description The MSM5265 consists of a 160-stage shift register, 160-bit data latch, and 80 pairs of LCD drivers. The display data is input from the DATA-IN pin to the 160-stage shift register at the rising edge of the CLOCK pulse and it is shifted to the 160-bit data latch when the LOAD signal is set at " ...

Page 8

... COM-OUT pin through the buffer. When the built-in common signal generator is used, fix this pin at low level. When the MSM5265 is used as an output expander, fix this pin at high level and the OSC-IN pin at low level. The output logic can be reveresed in respect to the input data by setting OSC-IN to " ...

Page 9

... SEG ) and common outputs (COM- level. V LC2 )/2 and the low level is V DD, LC2 LC1 (D/S : "H" LC1 V LC2 LC1 V LC2 MSM5265 level, while DD should be set at higher LC2 . ) and the select mode of COM-A Static display mode (D/S : "L") 9/18 ...

Page 10

... Dynamic display mode (D/S : "H") COM-A COM-B Off Off Off On SEG n On Off On On 80+n LC2 COM-A COM-B Off Off SEG n Off On On Off 80+n n MSM5265 Static display mode (D/S : "L") Off On 10/18 ...

Page 11

... The display returns to the condition before the pin was set to high level. When SEG-TEST pin is at high level, the input on this pin is disabled. to SEG ). All displays are turned on when SEG ). All displays are turned off 1 80 MSM5265 11/18 ...

Page 12

... Semiconductor APPLICATION CIRCUITS 1) Single MSM5265 operation in the static display mode SEG-TEST BLANK From LOAD controller DATA-IN CLOCK R ≥ 1.5 kW COM 2) Single MSM5265 operation in the 1/2 duty dynamic display mode SEG-TEST BLANK From LOAD controller DATA-IN CLOCK ≥ 1.5 kW, R ≥ R COM COM ...

Page 13

... Semiconductor 3) Cascade connections for MSM5265s in the static display mode MSM5265 13/18 ...

Page 14

... Semiconductor 4) Cascade connections for MSM5265s in the 1/2 duty dynamic display mode MSM5265 14/18 ...

Page 15

... Semiconductor 5) Output-expander From controller * The output logic can be reversed with respect to the input data by setting OSC-IN to "H" level. 80 outputs (same logic as input data) SEG 1 SEG-TEST BLANK MSM5265 LOAD DATA-IN CLOCK D/S EXT/INT OSC- MSM5265 SEG 80 V LC2 SYNC 15/18 ...

Page 16

... Room temperature =1/8 =1/ (17. OSC 100 120 150 180 220 R 0 +2% 0% –2% Condition Room temperature R =100kW 0 C =0.01mF 0 R =1MW MSM5265 C =0.001mF 0 C =0.0022mF 0 C =0.0047mF 0 C =0.01mF 0 C =0.022mF 0 C =0.047mF 0 kW 16/18 ...

Page 17

... Therefore, before you perform reflow mounting, contact Oki’s responsible sales person for the product name, package name, pin number, package code and desired mounting conditions (reflow method, temperature and times). MSM5265 (Unit : mm) Package material Epoxy resin ...

Page 18

... Therefore, before you perform reflow mounting, contact Oki’s responsible sales person for the product name, package name, pin number, package code and desired mounting conditions (reflow method, temperature and times). MSM5265 (Unit : mm) Package material Epoxy resin ...

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