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PDF BU9716BK Data sheet ( Hoja de datos )
| Número de pieza | BU9716BK | |
| Descripción | Picture cell driver for STN (LCD driver) | |
| Fabricantes | ROHM Semiconductor | |
| Logotipo |  |
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Standard ICs
Picture cell driver for STN (LCD driver)
BU9716BK / BU9716BKV
The BU9716BK and BU9716BKV are man-machine interface ICs designed for applications such as multi-media
portable terminals.
Specifically, these products are used as driver ICs for operating mode display LCD panels in portable terminals,
household appliances, and other similar products. The number of display cells includes 32 segments and 3 com-
mons, enabling drive of up to 96 cells.
•Applications
Multi-media portable terminals, POS terminals, ECR
terminals, short wave radios, telephones, cameras,
VCRs, movie projectors, car audio systems, and others
•Features
1) Up to 32 segment outputs and 3 common outputs
can be displayed, for a total of 96 segments.
2) 1 / 3 duty display.
3) Either 1 / 2 or 1 / 3 can be selected for power supply
for LCD display.
•Absolute maximum ratings (Ta = 25°C, VSS = 0V)
Parameter
Symbol
Limits
Power supply voltage
BU9716BK
Power dissipation
BU9716BKV
VDD
Pd
– 0.3 ~ + 7.0
500∗1
400∗2
Input voltage
Operating temperature
VIN
Topr
– 0.3 ~ VDD + 0.3
– 40 ~ + 85
Storage temperature
Tstg
∗1 Reduced by 5mW for each increase in Ta of 1°C over 25°C .
∗2 Reduced by 4mW for each increase in Ta of 1°C over 25°C .
– 55 ~ + 125
Unit
V
mW
V
°C
°C
•Recommended operating conditions (Ta = 25°C, VSS = 0V)
Parameter
Symbol Min. Typ. Max.
Power supply voltage
VDD 4.5 — 5.5
Input voltage
VDD1
VDD2
0 2 / 3VDD VDD
0 1 / 3VDD VDD
Unit
V
V
V
1
1 page  
Standard ICs
BU9716BK / BU9716BKV
•Measurement circuit
P. G.
A
IIH, LH
V2
1
SW4
2
0.047µF
1 SW3
2
0.047µF
GND
1000pF, 47kΩ
CS, CK
DI, RES
VDD
S1 ~ S32
VDD1 COM1 ~ COM3
VDD2
OSC
VSS
∗ P. G.: Control signal generator for programmable signal generator, etc.
Fig.1
Measurement conditions
Parameter
Input high level voltage
Input low level voltage
Input high level current
Input low level current
Output high level voltage
Output low level voltage
Intermediate output voltage
Current dissipation
AC characteristics
Symbol
VIH
VIL
IIH
IIL
VSOH
VCOH
VSOL
VCOL
VCM1
VSM1
VCM2
VSM2
VCM3
IQ
IDD
SW1
2
2
3
3
1
2
2
SW2
—
—
1
2
1
2
2
1
2
1
2
—
—
IDD, IQ
A
1 SW2 SW1 1
23
2
IO
VCM1, VCM2, VCM3
VSM1, VSM2
VV
VSOH, VSOL
VCOH, VCOL
V1
GND
SW3
—
—
1
2
2
1
—
—
SW4
1
2
1
1
1
1
1
Conditions
Set as P.G. input voltage;
mode switching test
V2 = VDD
V2 = VSS
Pattern 1, IO = – 20µA
Pattern 1, IO = – 100µA
Pattern 2, IO = 20µA
Pattern 2, IO = 100µA
Pattern 3
Pattern 4
Pattern 4
Pattern 5
Pattern 5
Pattern 6
Test after power on
Used as P.G. input condition
Measurement pattern
CS
DI
CK
Pattern 1
Fig.2
CS
DI
CK
Pattern 4
Fig.5
CS
DI
CK
Pattern 2
Fig.3
CS
DI
CK
Pattern 5
Fig.6
CS
DI
CK
Pattern 3
Fig.4
CS
DI
CK
Pattern 6
Fig.7
5
5 Page 
Standard ICs
BU9716BK / BU9716BKV
Make sure of the following when resetting when the power is on.
• When using the external reset terminal, make RST = “L” at 1 ms or more with VDD at 1.8V or more.
• When not using the external reset terminal, VDD has to satisfy the following conditions.
VDD м 1.8V
Instruction receipt possible
tWAIT м 1ms
0 < tON < 10ms
VDD < 0.3V
•External dimensions (Units: mm)
BU9716BK
BU9716BKV
14.0 ± 0.3
10.0 ± 0.2
33 23
34 22
44
1
12
11
0.15 ± 0.1
0.8 0.35 ± 0.1
0.15
9.0 ± 0.3
7.0 ± 0.2
36 25
37 24
48
1
13
12
0.5 0.2 ± 0.1
0.125 ± 0.1
0.10
QFP44
VQFP48
11
11 Page | ||
| Páginas | Total 11 Páginas | |
| PDF Descargar | [ Datasheet BU9716BK.PDF ] | |
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