6A595
ADVANCE INFORMATION
8-BIT SERIAL-INPUT,
DMOS POWER DRIVER
(Subject to change without notice)
March 22, 2000
The A6A595KA and A6A595KLB combine an 8-bit CMOS shift
register and accompanying data latches, control circuitry, and DMOS
power driver outputs. Power driver applications include relays, sole-
noids, and other medium-current or high-voltage peripheral power
loads.
A6A595KA (DIP)
OUT
2
3
OUT
1
0
1
2
3
4
20
19
18
17
16
15
14
13
OUT
OUT
LATCHES
REGISTER
SERIAL
DATA IN
REGISTER
CLEAR
The serial-data input, CMOS shift register and latches allow direct
interfacing with microprocessor-based systems. Serial-data input rates
are over 5 MHz. Use with TTL may require appropriate pull-up
resistors to ensure an input logic high.
CLR
OE
OUTPUT
ENABLE
LOGIC
SUPPLY
VDD
POWER
GROUND
POWER
GROUND
5
6
POWER
GROUND
POWER
GROUND
A CMOS serial-data output enables cascade connections in appli-
cations requiring additional drive lines.
LOGIC
GROUND
STROBE
CLOCK
7
8
ST
SERIAL
DATA OUT
The A6A595 DMOS open-drain outputs are capable of sinking up
to 500 mA. All of the output drivers are disabled (the DMOS sink
drivers turned off) by the OUTPUT ENABLE input high.
CLK
REGISTER
LATCHES
OUT
4
5
9
OUT
7
6
12
11
OUT
10
OUT
The A6A595KA is furnished in a 20-pin dual in-line plastic
package. The A6A595KLB is furnished in a 24-lead wide-body, small-
outline plastic batwing package (SOIC) with gull-wing leads. Copper
lead frames, reduced supply current requirements, and low on-state
resistance allow both devices to sink 150 mA from all outputs continu-
ously, to ambient temperatures over 85°C.
Dwg. PP-029-15
ABSOLUTE MAXIMUM RATINGS
at TA = 25°C
Output Voltage, VO ............................... 50 V
Output Drain Current,
Continuous, IO .......................... 350 mA*
Peak, IOM ................................. 1100 mA†
Single-Pulse Avalanche Energy,
EAS ................................................. 75 mJ
Logic Supply Voltage, VDD .................. 7.0 V
Input Voltage Range,
FEATURES
I 50 V Minimum Output Clamp Voltage
I 350 mA Output Current (all outputs simultaneously)
I 1 Ω Typical rDS(on)
I Internal Short-Circuit Protection
I Low Power Consumption
VI ................................... -0.3 V to +7.0 V
Package Power Dissipation,
PD ........................................... See Graph
Operating Temperature Range,
I Replacements for TPIC6A595N and TPIC6A595DW
TA ................................. -40°C to +125°C
Storage Temperature Range,
TS ................................. -55°C to +150°C
* Each output, all outputs on.
† Pulse duration ≤ 100 µs, duty cycle ≤ 2%.
Always order by complete part number:
Caution: These CMOS devices have input static
protection (Class 3) but are still susceptible to
damage if exposed to extremely high static
electrical charges.
Part Number
A6A595KA
A6A595KLB 24-lead SOIC 55°C/W
Package
20-pin
RθJA
RθJC
RθJT
—
6°C/W
DIP55°C/W 25°C/W
—
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