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LC79400 PDF даташит

Спецификация LC79400 изготовлена ​​​​«Sanyo Semicon Device» и имеет функцию, называемую «Dot Matrix LCD Driver».

Детали детали

Номер произв LC79400
Описание Dot Matrix LCD Driver
Производители Sanyo Semicon Device
логотип Sanyo Semicon Device логотип 

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LC79400 Даташит, Описание, Даташиты
Ordering number : EN4346B
CMOS LSI
LC79400D
Dot Matrix LCD Driver
Overview
The LC79400D is a large-scale dot matrix LCD segment
driver LSI. Display data transferred from the controller
(4-bit parallel format) is processed through 80-bit
latching and a LCD drive signal is generated. The
LC79400D can be used in conjunction with common
driver LC7943D (QIP80D) as well as LC79430D
(QIP100D) and LC79431D (QIP100D) to drive a wide-
screen LCD panel.
Package Dimensions
unit : mm
3180-QFP100D
[LC73701M]
Features
• On-chip LCD drive circuit (80 bits)
• Display duty selection ranging from 1/64 to 1/256
• Supports use of chip disable pin for lower large panel
power supply dissipation
• Supports externally supplied bias voltage
• Operating power supply voltage/operating temperature
include
VDD (logic block)
: 5 V ±10 % / –20 to +75 °C
VDD-VEE (LCD block) : 12 V to 32 V / –20 to +75°C
• Data transfer clock provides maximum 3.0 MHz and
supports bidirectional shift
• 4-bit parallel data input
• CMOS process
• 100-pin flat plastic package
Specifications
Absolute Maximum Ratings at Ta = 25±2°C, VSS = 0 V
SANYO: MFP18
Parameter
Symbol
Conditions
Ratings
Maximum supply voltage (logic)
VDD max
–0.3 to +7.0
Maximum supply voltage (LCD)
VDD - VEE max*1
0 to 35
Maximum input voltage
VI max
–0.3 to VDD + 0.3
Storage temperature range
Tstg
–40 to +125
Note:1. The voltages V1, V3, V4, V7, VDD and VEE must obey the relationships: VDD V1 > V3 > V4 > VEE, VDD – V3 7V,
V4 – VEE 7V.
Unit
V
V
V
°C
SANYO Electric Co.,Ltd. Semiconductor Bussiness Headquarters
TOKYO OFFICE Tokyo Bldg., 1-10, 1 Chome, Ueno, Taito-ku, TOKYO, 110 JAPAN
73096HA (OT)/21593JN A8-9571 No. 4346-1/8









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LC79400 Даташит, Описание, Даташиты
LC79400D
Allowable Operating Ranges at Ta = –20 to +75°C, VSS = 0 V
Parameter
Symbol
Conditions
min typ max Unit
Supply voltage (logic)
Supply voltage (LCD)
Input high-level voltage
VDD
VDD - VEE
VIH
*2, *3
DI1 to 4, CP, LOAD, CDR, CDL
R/L, M, DISP OFF
4.5
12
0.8 VDD
5.5 V
32 V
V
Input low-level voltage
DI1 to 4, CP, LOAD, CDR, CDL
VIL R/L, M, DISP OFF
0.2 VDD
V
CP (shift clock)
fCP CP
3.0 MHz
CP (pulse width)
fWC CP
100 ns
LOAD pulse width
tWL LOAD
100 ns
Setup time
tSETUP DI1 to 4 CP
80 ns
Hold time
tHOLD DI1 to 4 CP
80 ns
CP LOAD
tCL1
tCL2
CP LOAD
CP LOAD
0 ns
100 ns
LOAD CP
tLC LOAD CP
63 ns
tR CP
50 ns
Rise/Fall time
tF CP
tRL LOAD
50 ns
50 ns
tFL LOAD
50 ns
Note:2. The voltages V1, V3, V4, V7, VDD and VEE must obey the relationships: VDD V1 > V3 > V4 > VEE, VDD – V3 7V, V4 – VEE
7V.
3. When applying power, apply power to the LCD drive block after applying power to the logic block or apply power to both the blocks
simultaneously. When turning off power, turn off power to the logic block after turning off power to the LCD drive block or turn
off power to both the blocks simultaneously.
Electrical Characteristics at Ta = 25±2°C, VSS = 0 V, VDD = 5 V±10%
Parameter
Symbol
Conditions
min
Input high-level current
IIH VIN = VDD; LOAD, CP, CDR (CDL),
R/L, DI1 to DI4, M, DISP OFF
Input low-level current
IIL VIN = VSS; LOAD, CP, CDR (CDL),
R/L, DI1 to DI4, M, DISP OFF
–1
Output high-level voltage
Output low-level voltage
Driver on resistor
VOH
VOL
RON1
RON2
IOH = –400 µA; CDL (CDR)
IOL = 400 µA; CDL (CDR)
VDD – VEE = 30 V, VDE – VO = 0.5 V*4;
O1 to O80
VDD – VEE = 20 V, VDE – VO = 0.5 V*4;
O1 to O80
VDD – 0.4
Standby current dissipation
IST
CDR (CDL) = VDD, VDD – VEE = 30 V
CP = 3.0 MHz, no-load output: VSS
Operation current dissipation
ISS*5
ISS*6
VDD – VEE = 30 V, CP = 3 MHz,
LOAD = 14 kHz, M = 35 Hz; VSS
VDD – VEE = 30 V, CP = 3 MHz,
LOAD = 14 kHz, M = 35 Hz; VEE
Input capacity
CI f = 3.0 MHz; CP
Note:4. VDE = V1 or V3 or V4 or VEE, V1 = VDD, V3 = 15/17 (VDD-VEE), V4 = 2/17 (VDD-VEE)
5. ISS current flows from VDD to VSS.
6. IEE current flows from VDD to VEE.
Switching Characteristics at Ta = 25±2°C, VSS = 0 V, VDD = 5 V±10%
Parameter
Output delay time
Symbol
tD
Conditions
Load = 15 pF; CDR (CDL)
min
typ
1.5
2.0
5
typ
max
1
0.4
3.0
3.5
200
4.0
0.1
Unit
µA
µA
V
V
k
k
µA
mA
mA
pF
max Unit
200 ns
No. 4346-2/8









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LC79400 Даташит, Описание, Даташиты
Pin Assignment
LC79400D
Equivalent Circuit Block Diagram
A00971
A00970
No. 4346-3/8










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