ꢀꢁ ꢂꢃ ꢄ ꢃ ꢅ ꢆ ꢇ ꢀ ꢁꢂ ꢃꢄ ꢃꢄ ꢆ
ꢈꢉ ꢊꢋ ꢌꢀ ꢍꢌ ꢈꢎ ꢀꢊꢋ ꢌꢏ ꢈ ꢐꢎ ꢑ ꢒꢐ ꢀ
SLDS035 − JANUARY 1987 − REVISED NOVEMBER 1989
SN751508 . . . FT PACKAGE
(TOP VIEW)
D
D
D
D
D
D
Each Device Drives 32 Lines
−120-V PNP Open-Collector Parallel
Outputs
Q32
Q31
Q1
Q2
1
2
3
4
5
6
7
8
9
48
47
46
45
44
43
42
41
40
High-Speed Serially Shifted Data Inputs
CMOS-Compatible Inputs
Q30
Q3
Q29
Q4
Strobe and Sustain Inputs Provided
Serial Data Output for Cascade Operation
Q28
Q5
Q27
Q6
Q26
Q7
Q25
Q8
description
Q24
Q9
The SN751508 and SN751518 are monolithic
10 39
11 38
12 37
13 36
14 35
15 34
16 33
17 32
18 31
19 30
20 29
21 28
22 27
23 26
24 25
Q23
Q22
Q21
Q20
Q19
Q18
Q17
GND
NC
Q10
Q11
Q12
Q13
Q14
Q15
Q16
GND
SUSTAIN
NC
LATCH ENABLE
NC
integrated circuits designed to drive the data lines
of a dc plasma panel display. The SN751518 pin
sequence is reversed from the SN751508 for
ease in printed-circuit-board layout.
Each device consists of two 16-bit shift registers,
32 latches, 32 OR gates, and 32 pnp open-
collector output AND gates. Typically, a 32-bit
data string is split into two 16-bit data strings
externally and then entered in parallel into the shift
registers on the high-to-low transition of the clock
signal. A high LATCH ENABLE transfers the data
from the shift registers to the inputs of 32 OR gates
through the latches. Data present in the latch
during the high-to-low transition of LATCH
ENABLE is stored. When STROBE is high, the
latch is masked and a high is placed on the data
input of the output AND gates. When STROBE is
low and SUSTAIN is high, data from the latches is
reflected at the outputs. When low, SUSTAIN
forces all outputs to their off state. Drivers can be
cascaded via the serial data outputs of the static
shift registers. These outputs are not affected by
LATCH ENABLE, STROBE, or SUSTAIN.
STROBE
NC
CLOCK
V
V
CC
CC
SERIAL OUT2
SERIAL OUT1
DATA IN2
DATA IN1
SN751518 . . . FT PACKAGE
(TOP VIEW)
Q1
Q2
Q3
Q4
Q5
Q6
Q7
Q8
Q9
Q32
Q31
Q30
Q29
Q28
Q27
Q26
Q25
1
2
3
4
5
6
7
8
9
48
47
46
45
44
43
42
41
The SN751508 and the SN751518 are
characterized from 0°C to 70°C.
40 Q24
39 Q23
Q10 10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
38
37
36
35
34
33
32
31
30
29
28
27
26
25
Q11
Q12
Q13
Q14
Q15
Q16
GND
Q22
Q21
Q20
Q19
Q18
Q17
GND
NC
STROBE
NC
SUSTAIN
NC
LATCH ENABLE
NC
CLOCK
V
V
CC
CC
DATA IN2
DATA IN1
SERIAL OUT2
SERIAL OUT1
NC − No internal connection
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Copyright 1989, Texas Instruments Incorporated
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1
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