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PDF HD44100R Data sheet ( Hoja de datos )
| Número de pieza | HD44100R | |
| Descripción | LCD Driver | |
| Fabricantes | Hitachi | |
| Logotipo |  |
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HD44100R
(LCD Driver with 40-Channel Outputs)
Description
The HD44100R has two sets of 20-bit bidirectional
shift registers, 20 data latch flipflops and 20 liquid
crystal display driver circuits. It receives serial
display data from a display control LSI, converts it
into parallel data and supplies liquid crystal display
waveforms to the liquid crystal.
The HD44100R is a highly general liquid crystal
display driver which can drive a static drive liquid
crystal and a dynamic drive liquid crystal, and can
be applied as a common driver or segment driver.
Features
• Liquid crystal display driver with serial/parallel
conversion function
• Serial transfer facilitates board design
• Capable of interfacing to liquid crystal display
controllers: HD43160AH, LCTC (HD61830/
61830B), LCD-II (HD44780S, HD44780U),
LCD-IIA (HD66780), LCD-II/E (HD66702),
LCD-III (HD44790), HD66710
• 40 internal liquid crystal display drivers
• Internal serial/parallel conversion circuits
— 20-bit shift register × 2
— 20-bit data latch × 2
• Display bias: Static to 1/5
• Power supply
— Internal logic: VCC = 2.7 to 5.5 V
— Liquid crystal display driver circuit:
VCC – VEE = 3 to 13 V
• Separation of internal logic from liquid crystal
display driver circuit increases applicable
controllers and liquid crystal types
• CMOS process
• 60 pin flat plastic package (FP-60A: short lead)
Ordering Information
Type No.
HD44100RFS
HCD44100R
VCC (V)
2.7 to 5.5
2.7 to 5.5
VCC – VEE (V)
3 to 13
3 to 13
Package
60-pin plastic QFP (FP-60A)
Chip
1 page  
HD44100R
Table 1 Functional Description of Terminals (cont)
Signal
Name
Number Input/
of Lines Output
Connected to Function
FCS
1
Input
VCC or GND
Mode select signal of channel 2. FCS signal
exchanges the latch signal and the shift signal of
channel 2 and inverts M for channel 2. Thus, this
signal exchanges the function of channel 2.
Channel 2
FCS
Level
VCC
Latch
Signal
CL2
Shift
Signal
CL1
M
Polarity
M
Function
For common
drive
GND CL1 CL2 M For segment
drive
*1 *1
*2
NC 1
Don’t connect any wires to this terminal.
Notes: 1.
and indicate the latches at rise and fall times, respectively.
2. The output level relationship between channel 1 and channel 2 based on the FCS signal level is
as follows:
Output Level
FCS
Data
M Channel 1 (Y1 to Y20)
VCC (1)
1 (select)
1 V1
0 V2
0 (non-select)
1
V3
0 V4
GND (0)
1 (select)
1 V1
0 V2
0 (non-select)
1
V3
0 V4
Note: 1 and 0 indicate high and low levels, respectively.
Channel 2 (Y21 to Y40)
V2
V1
V6
V5
V1
V2
V5
V6
155
5 Page 
Absolute Maximum Ratings
Item
Symbol
Value
Supply voltage
Input voltage
Input voltage
Logic
LCD drivers
VCC*1
VEE*2
VT1*1
VT2*3
–0.3 to +7.0
VCC – 15.0 to VCC + 0.3
–0.3 to VCC + 0.3
VCC + 0.3 to VEE – 0.3
Operating temperature
Topr –20 to +75
Storage temperature
Tstg –55 to +125
Notes: 1. All voltage values are referred to GND.
2. Connect a protection resistor of 220 Ω ± 5% to VEE power supply in series.
3. Applies to V1 to V6.
HD44100R
Unit
V
V
V
V
°C
°C
161
11 Page | ||
| Páginas | Total 13 Páginas | |
| PDF Descargar | [ Datasheet HD44100R.PDF ] | |
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