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PDF HI-8045 Data sheet ( Hoja de datos )
| Número de pieza | HI-8045 | |
| Descripción | CMOS HIGH VOLTAGE DISPLAY DRIVER | |
| Fabricantes | Holt Integrated | |
| Logotipo |  |
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August 2005
HI-8045
CMOS HIGH VOLTAGE DISPLAY DRIVER
GENERAL DESCRIPTION
APPLICATIONS
The HI-8045 high voltage display driver is a low cost plastic,
80-segment version of the Holt HI-8040 display driver
series. The 20 mil package lead pitch allows the maximum
number of display driver segments in the smallest space.
An optional voltage converter can generate the negative
display drive voltage. Test inputs facilitate opens and
shorts testing. The backplane frequency is checked and,
as long as power is available, the segments are shut "Off" if
the frequency becomes too low.
! Dichroic Liquid Crystal Displays
! Standard Liquid Crystal Displays
! MEMS Drivers
PIN CONFIGURATION (Top View)
The HI-8045 and the HI-80XX series of display drivers all
control segment information in the same way. Data is
serially clocked into the device and the data for all segment
outputs are latched in parallel when the Load input transi-
tions from high to low. With the Data Out from the shift
register available, devices may be cascaded to obtain more
segment outputs. The shift register is 85 bits long.
The die is metal mask programmable to provide for various
package and/or cascade tap options. Consult your Holt
Sales representative to explore the possibilities.
N/C
VSS
CS
CL
LD
DIN
BPOSC
N/C
N/C
BPIN
N/C
CONVOUT
VDD
DOUT 85
CONVOSC
VEE
T1
T2
BP
S1
S2
S3
S4
S5
S6
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
HI-8045PQ
80 - SEGMENT
100 - PIN
PLASTIC
QUAD FLAT PACK
75 S55
74 S54
73 S53
72 S52
71 S51
70 S50
69 S49
68 S48
67 S47
66 S46
65 S45
64 S44
63 S43
62 S42
61 S41
60 S40
59 S39
58 S38
57 S37
56 S36
55 S35
54 S34
53 S33
52 S32
51 S31
FEATURES
! 4 MHz serial input data rate
! 80 segment outputs
! Cascadable
! 5 Volt inputs translated to 35 Volts
! Test pins allow hardware all "ON", all "OFF" or
alternating
! Monitors backplane oscillation and forces all
segments to "OFF" condition if below 10Hz
! Negative voltage converter available on-chip
! CMOS low power
! Industrial and JEDEC processing available
FUNCTIONAL BLOCK DIAGRAM
DIN Þ
CL Þ
CS Þ
LD Þ
BPOSC Þ
BPIN Þ
Oscillator
Divider
Voltage
Translator
High Voltage
Buffer
Þ BP
DATA IN
85 Stage
Shift Register
CLK
ÞDO85UT
LE 8 0 B i t L a t c h
Voltage
Translators
High Voltage
Drivers
80 SEGMENTS
(DS8045 Rev. D)
HOLT INTEGRATED CIRCUITS
www.holtic.com
08/05
1 page  
HI-8045
ORDERING INFORMATION
PART
NUMBER
HI-8045PQ
HI-8045PQT
PACKAGE
DESCRIPTION
100-PIN PLASTIC QUAD FLAT PACK (PQFP)
100-PIN PLASTIC QUAD FLAT PACK (PQFP)
TEMPERATURE
RANGE
-40°C to +85°C
-55°C to +125°C
LEAD
FLOW FINISH
I SOLDER
T SOLDER
MAGNIFIED VIEW OF PIN ASSIGNMENTS
Pin 1
N/C
VSS
CS
CL
LD
DIN
BPOSC
N/C
N/C
BPIN
N/C
CONVOUT
VDD
DOUT 85
CONVOSC
VEE
T1
T2
BP
S1
S2
S3
S4
S5
S6
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
HI-8045PQ
80 - SEGMENT
100 - PIN
PLASTIC
QUAD FLAT PACK
75 S55
74 S54
73 S53
72 S52
71 S51
70 S50
69 S49
68 S48
67 S47
66 S46
65 S45
64 S44
63 S43
62 S42
61 S41
60 S40
59 S39
58 S38
57 S37
56 S36
55 S35
54 S34
53 S33
52 S32
51 S31
HOLT INTEGRATED CIRCUITS
5
5 Page | ||
| Páginas | Total 6 Páginas | |
| PDF Descargar | [ Datasheet HI-8045.PDF ] | |
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