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LC75874W の電気的特性と機能
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LC75874WのメーカーはSanyo Semicon Deviceです、この部品の機能は「1/4-Duty General-Purpose LCD Display Driver」です。 |
製品の詳細 ( Datasheet PDF )
| 部品番号 | LC75874W |
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| 部品説明 | 1/4-Duty General-Purpose LCD Display Driver | ||
| メーカ | Sanyo Semicon Device | ||
| ロゴ |  |
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このページの下部にプレビューとLC75874Wダウンロード（pdfファイル）リンクがあります。 Total 16 pages
Ordering number : EN5800
CMOS LSI
LC75874E, 75874W
1/4-Duty General-Purpose LCD Display Driver
Overview
The LC75874E and LC75874W are 1/4-duty general-
purpose microprocessor-controlled LCD driver that can be
used in applications such as frequency display in products
with electronic tuning. In addition to being able to drive
up to 264 segments directly, the LC75874E and
LC75874W can also control up to 8 general-purpose
output ports.
Since the LC75874E and LC75874W use separate power
supply systems for the LCD drive block and the logic
block, the LCD driver block power-supply voltage can be
set to any voltage in the range 2.7 to 6.0 V, regardless of
the logic block power-supply voltage.
Features
• Support for 1/4-duty 1/2-bias or 1/4-duty 1/3-bias drive
techniques under serial data control (up to
264 segments)
• Serial data input supports CCB format communication
with the system controller.
• Serial data control of the power-saving mode based
backup function and the all segments forced off
function.
• Serial data control of switching between the segment
output port and general-purpose output port functions.
• High generality, since display data is displayed directly
without the intervention of a decoder circuit.
• Independent VLCD for the LCD driver block (VLCD can
be set to any voltage in the range 2.7 to 6.0 V,
regardless of the logic block power-supply voltage.)
• The INH pin allows the display to be forced to the off
state.
• RC oscillator circuit
Package Dimensions
unit: mm
3174-QFP80E
[LC75874E]
unit: mm
3220-SQFP80
[LC75874W]
SANYO: QFP80E
SANYO: SQFP80
• CCB is a trademark of SANYO ELECTRIC CO., LTD.
• CCB is SANYO’s original bus format and all the bus
addresses are controlled by SANYO.
SANYO Electric Co.,Ltd. Semiconductor Bussiness Headquarters
TOKYO OFFICE Tokyo Bldg., 1-10, 1 Chome, Ueno, Taito-ku, TOKYO, 110-8534 JAPAN
31398RM (OT) No. 5800-1/16
1 Page  
LC75874E, 75874W
Electrical Characteristics for the Allowable Operating Ranges
Parameter
Symbol
Conditions
min
Hysteresis
Input high-level current
Input low-level current
Output high-level voltage
Output low-level voltage
VH
IIH
IIL
VOH1
VOH2
VOH3
VOL1
VOL2
VOL3
VMID1
CE, CL, DI, INH
CE, CL, DI, INH: VI = 6.0 V
CE, CL, DI, INH: VI = 0 V
S1 to S66: IO = –20 µA
COM1 to COM4: IO = –100 µA
P1 to P8: IO = –1 mA
S1 to S66: IO = 20 µA
COM1 to COM4: IO = 100 µA
P1 to P8: IO = 1 mA
COM1 to COM4: 1/2 bias, IO = ±100 µA
–5.0
VLCD – 0.9
VLCD – 0.9
VLCD – 0.9
1/2 VLCD –
0.9
VMID2 S1 to S66: 1/3 bias, IO = ±20 µA
2/3 VLCD –
0.9
Output middle-level voltage*1
VMID3 S1 to S66: 1/3 bias, IO = ±20 µA
1/3 VLCD –
0.9
VMID4 COM1 to COM4: 1/3 bias, IO = ±100 µA
2/3 VLCD –
0.9
VMID5 COM1 to COM4: 1/3 bias, IO = ±100 µA
1/3 VLCD –
0.9
Oscillator frequency
Current drain
fOSC
IDD1
IDD2
ILCD1
ILCD2
ILCD3
OSC: ROSC = 43 kΩ, COSC = 680 pF
VDD: Power-saving mode
VDD: VDD = 6.0 V, outputs open, fOSC = 50 kHz
VLCD: Power-saving mode
VLCD: VLCD = 6.0 V, outputs open, 1/2 bias, fOSC = 50 kHz
VLCD: VLCD = 6.0 V, outputs open, 1/3 bias, fOSC = 50 kHz
40
Note: *1 Excluding the bias voltage generation divider resistors built in the VLCD1 and VLCD2. (See Figure 1.)
Ratings
typ
0.1 VDD
max
5.0
0.9
0.9
0.9
1/2 VLCD +
0.9
2/3 VLCD +
0.9
1/3 VLCD +
0.9
2/3 VLCD +
0.9
1/3 VLCD +
0.9
50 60
5
230 460
5
200 400
120 240
Unit
V
µA
µA
V
V
V
kHz
µA
VLCD
VLCD1
VLCD2
Figure 1
No. 4465No. 5800-3/16
3Pages 
Serial Data Transfer Format
1. When CL is stopped at the low level
LC75874E, 75874W
CCB address
8 bits
Display data
68 bits
Control data
10 bits
DD
2 bits
CCB address
8 bits
Display data
68 bits
Fixed data
10 bits
DD
2 bits
CCB address
8 bits
Display data
64 bits
Fixed data
14 bits
DD
2 bits
CCB address
8 bits
Note: DD is the direction data.
Display data
64 bits
Fixed data
14 bits
DD
2 bits
No. 4465-No. 5800-6/16
6 Page | |||
| ページ | 合計 : 16 ページ | ||
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PDF ダウンロード | [ LC75874W データシート.PDF ] | |
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データシートを活用すると、その部品の主な機能と仕様を詳しく理解できます。 ピン構成、電気的特性、動作パラメータ、性能を確認してください。 |
共有リンク
Link :| 部品番号 | 部品説明 | メーカ |
| LC75874 | 1/4-Duty General-Purpose LCD Display Driver | Sanyo Semicon Device |
| LC75874E | 1/4-Duty General-Purpose LCD Display Driver | Sanyo Semicon Device |
| LC75874W | 1/4-Duty General-Purpose LCD Display Driver | Sanyo Semicon Device |