MIC58P01 MICREL [Micrel Semiconductor], MIC58P01 Datasheet

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MIC58P01

Manufacturer Part Number
MIC58P01
Description
8-Bit Parallel-Input Protected Latched Driver
Manufacturer
MICREL [Micrel Semiconductor]
Datasheet

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MIC58P01
General Description
The MIC58P01 parallel-input latched driver is a high-voltage
(80V), high-current (500mA) integrated circuit comprised of
eight CMOS data latches, a bipolar Darlington transistor
driver for each latch, and CMOS control circuitry for the
common CLEAR, STROBE, and OUTPUT ENABLE functions.
Similar to the MIC5801, additional protection circuitry supplied
on this device includes thermal shutdown, under voltage
lockout (UVLO), and overcurrent shutdown.
The bipolar/CMOS combination provides an extremely low-
power latch with maximum interface flexibility. The MIC58P01
has open-collector outputs capable of sinking 500 mA and
integral diodes for inductive load transient suppression with a
minimum output breakdown voltage rating of 80V (50V
sustaining). The drivers may be paralleled for higher load
current capability.
With a 5V logic supply, the MIC58P01 will typically operate at
better than 5MHz. With a 12V logic supply, significantly higher
speeds are obtained. The CMOS inputs are compatible with
standard CMOS, PMOS, and NMOS circuits. TTL circuits
may require pull-up resistors.
Each of these eight outputs has an independent overcurrent
shutdown of 500mA. Upon current shutdown, the affected
channel will turn OFF until V
RESET pin is pulsed high. Current pulses less than 2 s will
not activate current shutdown. Temperatures above 165 C
will shut down all outputs. The UVLO circuit disables the
outputs at low V
Functional Diagram
October 1998
IN
STROBE
DD
; hysteresis of 0.5V is provided.
V DD
1.25V
R
2.2R
+
UVLO
DD
CLEAR
is cycled or the ENABLE/
SHUTDOWN
THERMAL
ENABLE/RESET
Circuitry below dashed line is
included in each of the 8 channels.
R
S
I SHUTDOWN
Q
7-17
70k
Features
• 4.4MHz Minimum Data Input Rate
• High-Voltage, High-Current Outputs
• Per-Output Overcurrent Shutdown (500mA typical)
• Under Voltage Lockout
• Thermal Shutdown
• Output Transient Protection Diodes
• CMOS, PMOS, NMOS, and TTL Compatible Inputs
• Internal Pull-Down Resistors
• Low-Power CMOS Latches
Ordering Information
-
R1
V EE
8-Bit Parallel-Input Protected Latched Driver
Part Number
MIC58P01BN
MIC58P01BV
MIC58P01BWM
COMMON
I REF
I OUT / N
R2
3k
OUTPUT
Pin Configuration
(DIP)
GROUND
STROBE
Temperature Range
CLEAR
–40 C to +85 C
–40 C to +85 C
–40 C to +85 C
IN 1
IN 2
IN 3
IN 4
IN 5
IN 6
IN 7
IN 8
MIC58P01
10
11
6
1
2
3
4
5
7
8
9
UVLO
SHUTDOWN
THERMAL
I
LIMIT
AND
22-Pin Plastic DIP
28-Pin PLCC
24-Pin Wide SOIC
Package
22
21
20
19
18
17
16
15
14
13
12
OUTPUT
ENABLE/RESET
V DD
OUT 1
OUT 2
OUT 3
OUT 4
OUT 5
OUT 6
OUT 7
OUT 8
COMMON
Micrel
7

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MIC58P01 Summary of contents

Page 1

... The drivers may be paralleled for higher load current capability. With a 5V logic supply, the MIC58P01 will typically operate at better than 5MHz. With a 12V logic supply, significantly higher speeds are obtained. The CMOS inputs are compatible with standard CMOS, PMOS, and NMOS circuits ...

Page 2

... MIC58P01BV MIC58P01BV, 28–Pin PLCC 1 GROUND 2 CLEAR STROBE MIC58P01BWM GROUND 12 MIC58P01BWM, 24–Pin SOIC (not pin compatible with MIC5801BWM) ...

Page 3

... MIC58P01 Electrical Characteristics: Characteristic Symbol Output Leakage Current I CEX Collector-Emitter V CE(SAT) Saturation Voltage Input Voltage V IN(0) V IN(1) Input Resistance R IN Supply Current I DD(ON) (One output active) I DD(ON) (All outputs active) I DD(OFF) (Total) Clamp Diode I R Leakage Current Overcurrent Threshold I LIM Start-Up Voltage V SU Minimum Operating V ...

Page 4

... MIC58P01 CLEAR STROBE OUTPUT ENABLE OUT N Timing Conditions (T = +25 C, Logic Levels are Minimum data active time before strobe enabled (data set-up time) ....................................................................... 50ns B. Minimum data active time after strobe disabled (data hold time) ............................................................................. 50ns C. Minimum strobe pulse width .................................................................................................................................. 125 ns D ...

Page 5

... MIC58P01 Typical Application STROBE INPUT 1 INPUT 2 INPUT 3 INPUT 4 INPUT 5 INPUT 6 INPUT 7 INPUT 8 October 1998 +5V 0 Relays: Guardian Electric 1725-1C-12D MIC58P01 Protected Relay Driver 7-21 Micrel +12V ...

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