SN75518 Datasheet | Vacuum Fluorescent Display Drivers





(Datasheet) SN75518 Datasheet PDF Download

Part Number SN75518
Description Vacuum Fluorescent Display Drivers
Manufacture etcTI
Total Page 9 Pages
PDF Download Download SN75518 Datasheet PDF

Features: ą • Each Device Drives 32 Lines • 6 0-V Output Voltage Swing Capability • 25-mA Output Source Current Capability • High-Speed Serially Shifted Data I nput • Latches on All Driver Outputs description The SN65518 and SN75518 are monolithic BIDFET† integrated circui ts designed to drive a dot matrix or se gmented vacuum fluorescent display. Eac h device consists of a 32-bit shift reg ister, 32 latches, and 32 output AND ga tes. Serial data is entered into the sh ift register on the low-to-high transit ion of CLOCK. While LATCH ENABLE is hig h, parallel data is transferred to the output buffers through a 32-bit latch. Data present in the latch during the hi gh-to-low transition of LATCH ENABLE is latched. When STROBE is low, all Q out puts are enabled. When STROBE is high, all Q outputs are low. Serial data outp ut from the shift register may be used to cascade additional devices. This out put is not affected by LATCH ENABLE or STROBE. The SN65518 is characterized for operation from −40°C to 85°C. The S.

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ą
Each Device Drives 32 Lines
60-V Output Voltage Swing Capability
25-mA Output Source Current Capability
High-Speed Serially Shifted Data Input
Latches on All Driver Outputs
description
The SN65518 and SN75518 are monolithic
BIDFETintegrated circuits designed to drive a
dot matrix or segmented vacuum fluorescent
display.
Each device consists of a 32-bit shift register, 32
latches, and 32 output AND gates. Serial data is
entered into the shift register on the low-to-high
transition of CLOCK. While LATCH ENABLE is
high, parallel data is transferred to the output
buffers through a 32-bit latch. Data present in the
latch during the high-to-low transition of LATCH
ENABLE is latched. When STROBE is low, all Q
outputs are enabled. When STROBE is high, all Q
outputs are low.
Serial data output from the shift register may be
used to cascade additional devices. This output is
not affected by LATCH ENABLE or STROBE.
The SN65518 is characterized for operation from
−40°C to 85°C. The SN75518 is characterized for
operation from 0°C to 70°C.
SN65518, SN75518
VACUUM FLUORESCENT DISPLAY DRIVERS
ą
SLDS004B − MARCH 1983 − REVISED MAY 1990
N PACKAGE
(TOP VIEW)
VCC2
SERIAL OUT
Q32
Q31
Q30
Q29
Q28
Q27
Q26
Q25
Q24
Q23
Q22
Q21
Q20
Q19
Q18
Q17
STROBE
GND
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
40 VCC1
39 DATA IN
38 Q1
37 Q2
36 Q3
35 Q4
34 Q5
33 Q6
32 Q7
31 Q8
30 Q9
29 Q10
28 Q11
27 Q12
26 Q13
25 Q14
24 Q15
23 Q16
22 LATCH ENABLE
21 CLOCK
FN PACKAGE
(TOP VIEW)
Q29
Q28
Q27
Q26
Q25
Q24
Q23
Q22
Q21
Q20
Q19
6 5 4 3 2 1 44 43 42 41 40
7 39
8 38
9 37
10 36
11 35
12 34
13 33
14 32
15 31
16 30
17 29
18 19 20 21 22 23 24 25 26 27 28
Q4
Q5
Q6
Q7
Q8
Q9
Q10
Q11
Q12
Q13
NC
NC − No internal connection
† BIDFET − Bipolar, double-diffused, N-channel and P-channel MOS transistors on same chip. This is a patented process.
PRODUCTION DATA information is current as of publication date.
Products conform to specifications per the terms of Texas Instruments
standard warranty. Production processing does not necessarily include
testing of all parameters.
Copyright 1990, Texas Instruments Incorporated
POST OFFICE BOX 655303 DALLAS, TEXAS 75265
POST OFFICE BOX 1443 HOUSTON, TEXAS 77251−1443
4−1

                    
     






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