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| NE5090 Datasheet, PDF (1/6 Pages) NXP Semiconductors – Addressable relay driver | |||
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Philips Semiconductors Linear Products
Addressable relay driver
Product specification
NE/SA5090
DESCRIPTION
The NE/SA5090 addressable relay driver is a high-current latched
driver, similar in function to the 9934 address decoder. The device
has 8 open-collector Darlington power outputs, each capable of
150mA load current. The outputs are turned on or off by respectively
loading a logic â1â or logic â0â 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 which also serves the function of further
address decoding. A common clear input, CLR, turns all outputs off
when a logic â0â is applied. The device is packaged in a 16-pin
plastic or Cerdip package.
FEATURES
⢠8 high-current outputs
⢠Low-loading bus-compatible inputs
⢠Power-on clear ensures safe operation
⢠Will operate in addressable or demultiplex mode
⢠Allows random (addressed) data entry
⢠Easily expandable
⢠Pin-compatible with 9334 (Siliconix or Fairchild)
PIN CONFIGURATION
D1, N Packages
A0 1
A1 2
A2 3
Q0 4
Q1 5
Q2 6
Q3 7
GND 8
16 VCC
15 CLR
14 CE
13 D
12 Q7
11 Q6
10 Q5
9 Q4
TOP VIEW
NOTE:
1. SOL - Released in Large SO package only.
APPLICATIONS
⢠Relay driver
⢠Indicator lamp driver
⢠Triac trigger
⢠LED display digit driver
⢠Stepper motor driver
BLOCK DIAGRAM
CLR
CE
A0
A1
A2
D
1âOFâ8
DECODER
CONTROL
GATE
LATCH
Q0
LATCH
Q1
LATCH
Q2
LATCH
Q3
LATCH
Q4
LATCH
Q5
LATCH
Q6
LATCH
Q7
INPUT STAGE
VCC
OUTPUT STAGE
August 31, 1994
512
853-0892 13721
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