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SN65512C Datasheet(PDF) 1 Page - TI store

Part No. SN65512C
Description  VACUUM FLUORESCENT DISPLAY DRIVERS
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Maker  TI [TI store]
Homepage  http://www.ti.com
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SN65512C, SN75512C
VACUUM FLUORESCENT DISPLAY DRIVERS
SLDS054 – D3516, MAY 1990
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
Copyright
© 1990, Texas Instruments Incorporated
4–1
Each Device Drives 12 Lines
60-V Output Voltage Swing Capability
25-mA Output Source Current Capability
High-Speed Serially-Shifted Data Input
TTL-Compatible Inputs
Latches on All Driver Outputs
description
The SN65512C and SN75512C are monolithic
BIDFET integrated circuits designed to drive a
dot matrix or segmented vacuum fluorescent
display.
All device inputs are diode-clamped pnp inputs
and assume a high logic level when open
circuited. The nominal input threshold is 1.5 V.
Outputs are totem-pole structures formed by an
npn emitter follower and double-diffused MOS
(DMOS) transistors.
The device consists of a 12-bit shift register,
12 latches, and 12 output AND gates. Serial data
is entered into the shift register on the low-to-high
transition of CLOCK. When high, LATCH ENABLE
transfers the shift register contents to the outputs
of the 12 latches. The active-low STROBE input
enables all Q outputs. Serial data output from the
shift register can be used to cascade shift
registers. This output is not affected by LATCH
ENABLE or STROBE.
The SN65512C is characterized for operation
from
– 40
°C to 85°C. The SN75512C is
characterized for operation from 0
°C to 70°C.
† BIDFET – Bipolar, double-diffused, N-channel and P-channel MOS transistors on same chip. This is a patented process.
1
2
3
4
5
6
7
8
9
10
20
19
18
17
16
15
14
13
12
11
Q11
Q12
STROBE
SERIAL OUT
DATA IN
VCC1
CLOCK
LATCH ENABLE
Q1
Q2
Q10
Q9
Q8
Q7
VCC2
GND
Q6
Q5
Q4
Q3
DW OR N PACKAGE
(TOP VIEW)
logic symbol
‡ This symbol is in accordance with ANSI/IEEE Std 91-1984
and IEC Publication 617-12.
SRG12
C1/
TTL / VAC
FLUOR DISPLAY
Q1
9
Q2
10
Q3
11
Q4
12
Q5
13
Q6
14
Q7
17
Q8
18
Q9
19
Q10
20
Q11
1
Q12
2
SERIAL OUT
4
2D
3
2D
3
2D
3
2D
3
2D
3
2D
3
2D
3
2D
3
2D
3
2D
3
2D
3
2D
3
CLOCK
7
LATCH ENABLE
8
DATA IN
5
STROBE
3
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.




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