Philips Semiconductors Linear Products
Product specification
Addressable peripheral drivers
NE590/591
DESCRIPTION
The NE590/591 addressable peripheral drivers are high current
latched drivers, similar in function to the 9334 address decoder. The
device has eight Darlington power outputs, each capable of 250mA
load current. The outputs are turned on or off by respectively loading
a logic high or logic low into the device data input. The required
output is defined by a 3-bit address. The device must be enabled by
a CE input line. A common clear input, CLR, turns all outputs off
when a logic low is applied.
The NE590 has eight open-collector Darlington outputs which sink
current to ground. The device is packaged in a 16-pin plastic or
Cerdip package.
The NE591 has eight open-emitter Darlington outputs which source
current to an external load from a common collector line, V
S
. This
V
S
line need not necessarily be the same as the 5V V
CC
supply. The
device is packaged in an 18-pin plastic or Cerdip package.
PIN CONFIGURATIONS
N Package
A
0
A
1
A
2
Q
0
Q
1
Q
2
Q
3
GND
1
2
3
4
5
6
7
8
16 V
CC
15 CLR
14 CE
13 D
12 Q
7
11 Q
6
10 Q
5
9
TOP VIEW
Q
4
NE590
N Package
FEATURES
CS
A
0
A
1
A
2
Q
0
Q
1
Q
2
Q
3
GND
1
2
3
4
5
6
7
8
9
TOP VIEW
鈥?/div>
8 high current outputs
鈥?/div>
Low-loading bus compatible inputs
鈥?/div>
Power-on clear ensures safe operation
鈥?/div>
NE590 will operate in addressable or demultiplex mode
鈥?/div>
Allows random (addressed) data entry
鈥?/div>
Easily expandable
鈥?/div>
NE590 is pin compatible with 54/74LS259
APPLICATIONS
18 V
CC
17 CLR
16 CE
15 D
14 Q
7
13 Q
6
12 Q
5
11 Q
4
10 V
S
NE591
鈥?/div>
Relay driver
鈥?/div>
Indicator lamp driver
鈥?/div>
Triac trigger
鈥?/div>
LED display digit driver
鈥?/div>
Stepper motor driver
ORDERING INFORMATION
DESCRIPTION
16-Pin Plastic Dual In-Line Package (DIP)
18-Pin Plastic Dual In-Line Package (DIP)
TEMPERATURE RANGE
0 to +70擄C
0 to +70擄C
ORDER CODE
NE590N
NE591N
DWG #
0406C
0406C
August 31, 1994
518
853-0951 13721
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