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TPIC6B273 Datasheet Preview

TPIC6B273 Datasheet

POWER LOGIC OCTAL D-TYPE LATCH

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TPIC6B273
POWER LOGIC OCTAL D-TYPE LATCH
SLIS031 – APRIL 1994 – REVISED JULY 1995
D Low rDS(on) . . . 5 Typical
D Avalanche Energy . . . 30 mJ
D Eight Power DMOS-Transistor Outputs of
150-mA Continuous Current
D 500-mA Typical Current-Limiting Capability
D Output Clamp Voltage . . . 50 V
D Low Power Consumption
description
The TPIC6B273 is a monolithic, high-voltage,
medium-current, power logic octal D-type latch
with DMOS-transistor outputs designed for use in
systems that require relatively high load power.
The device contains a built-in voltage clamp on
the outputs for inductive transient protection.
Power driver applications include relays, sole-
noids, and other medium-current or high-voltage
loads.
The TPIC6B273 contains eight positive-edge-
triggered D-type flip-flops with a direct clear input.
Each flip-flop features an open-drain power
DMOS-transistor output.
When clear (CLR) is high, information at the D
inputs meeting the setup time requirements is
transferred to the DRAIN outputs on the positive-
going edge of the clock (CLK) pulse. Clock
triggering occurs at a particular voltage level and
is not directly related to the transition time of the
positive-going pulse. When the clock input (CLK)
is at either the high or low level, the D input signal
has no effect at the output. An asynchronous CLR
is provided to turn all eight DMOS-transistor
outputs off. When data is low for a given output,
the DMOS-transistor output is off. When data is
high, the DMOS-transistor output has sink-current
capability.
Outputs are low-side, open-drain DMOS
transistors with output ratings of 50 V and 150-mA
continuous sink-current capability. Each output
provides a 500-mA typical current limit at
TC = 25°C. The current limit decreases as the
junction temperature increases for additional
device protection.
DW OR N PACKAGE
(TOP VIEW)
CLR 1
D1 2
D2 3
DRAIN1 4
DRAIN2 5
DRAIN3 6
DRAIN4 7
D3 8
D4 9
GND 10
20 VCC
19 D8
18 D7
17 DRAIN8
16 DRAIN7
15 DRAIN6
14 DRAIN5
13 D6
12 D5
11 CLK
logic symbol
1
CLR
11
CLK
2
D1
3
D2
8
D3
9
D4
12
D5
13
D6
18
D7
19
D8
R
C1
1D
4
DRAIN1
5
DRAIN2
6
DRAIN3
7
DRAIN4
14
DRAIN5
15
DRAIN6
16
DRAIN7
17
DRAIN8
This symbol is in accordance with ANSI/IEEE Standard 91-1984
and IEC Publication 617-12.
FUNCTION TABLE
(each channel)
INPUTS
CLR
CLK
D
OUTPUT
DRAIN
L
X
X
H
H
H
L
H
L
H
H
L
X
Latched
H = high level, L = low level, X = irrelevant
The TPIC6B273 is characterized for operation over the operating case temperature range of – 40°C to 125°C.
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.
POST OFFICE BOX 655303 DALLAS, TEXAS 75265
Copyright © 1997, Texas Instruments Incorporated
1




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TPIC6B273 Datasheet Preview

TPIC6B273 Datasheet

POWER LOGIC OCTAL D-TYPE LATCH

No Preview Available !

TPIC6B273
POWER LOGIC OCTAL D-TYPE LATCH
SLIS031 – APRIL 1994 – REVISED JULY 1995
logic diagram (positive logic)
1
CLR
D1 2
11
CLK
3
D2
8
D3
9
D4
12
D5
13
D6
D7 18
19
D8
CLR
1D
C1
CLR
1D
C1
CLR
1D
C1
CLR
1D
C1
CLR
1D
C1
CLR
1D
C1
CLR
1D
C1
CLR
1D
C1
4
DRAIN1
5
DRAIN2
6
DRAIN3
7
DRAIN4
14 DRAIN5
15
DRAIN6
16
DRAIN7
17
DRAIN8
10
GND
2
POST OFFICE BOX 655303 DALLAS, TEXAS 75265


Part Number TPIC6B273
Description POWER LOGIC OCTAL D-TYPE LATCH
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