MIC58P42

MIC58P42
8-Bit Serial-Input Protected Latched Driver
General Description
Features
The MIC58P42 serial-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 STROBE, CLOCK, SERIAL DATA INPUT, and
OUTPUT ENABLE functions. Similar to the MIC5842,
additional protection circuitry supplied on this device
includes thermal shutdown, under voltage lockout (UVLO),
and overcurrent shutdown.
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The bipolar/CMOS combination provides an extremely
low-power latch with maximum interface flexibility. The
MIC58P42 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 can be
operated with a split supply, where the negative supply is
down to –20V and may be paralleled for higher load
current capability.
3.3 MHz Minimum Data-Input Rate
CMOS, PMOS, NMOS, and TTL Compatible
Internal Pull-Up/Pull-Down Resistors
Low Power CMOS Logic and Latches
High Voltage (80V) Current-Sink Outputs
Output Transient-Protection Diodes
Single or Split Supply Operation
Thermal Shutdown
Under-Voltage Lockout
Per-Output Over-Current Shutdown (500mA typical)
With a 5V logic supply, the MIC58P42 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. By
using the serial data output, drivers may be cascaded for
interface applications requiring additional drive lines.
Each of these eight outputs has an independent over
current shutdown of 500 mA. Upon over-current detection,
the affected channel will turn OFF until VDD is cycled or
the ENABLE/RESET pin is pulsed high. Current pulses
less than 2µs will not activate current shutdown.
Temperatures above 165°C will shut down the device. The
UVLO circuit prevents operation at low VDD; hysteresis of
0.5V is provided. See the MIC59P60 for a similar device
that additionally provides an error flag output.
Datasheets and support documentation are available on
Micrel’s web site at: www.micrel.com.
Micrel Inc. • 2180 Fortune Drive • San Jose, CA 95131 • USA • tel +1 (408) 944-0800 • fax + 1 (408) 474-1000 • http://www.micrel.com
June 3, 2015
Revision 2.0
Micrel, Inc.
MIC58P42
Functional Diagram
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MIC58P42
Ordering Information
Part Number
Junction Temperature Range
Package
Pb-Free
MIC58P42YN
–40°C to +85°C
18-Pin Plastic DIP
√
MIC58P42YV
–40°C to +85°C
20-Pin PLCC
√
MIC58P42YWM
–40°C to +85°C
18-Pin Wide SOIC
√
Pin Configuration
18-pin DIP (N) and 18-pin Wide SOIC (WM)
20-pin PLCC (V)
(Top View)
(Top View)
Typical Input Circuits
Typical Output Driver
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MIC58P42
Pin Description
Pin Number
DIP & SOIC
Pin Number
PLCC
Pin Name
1, 9
1, 11
VEE
2
2
CLOCK
3
3
SERIAL DATA IN
4
5
VSS
Logic reference (Ground) pin.
5
6
VDD
Logic Positive Supply voltage.
6
7
SERIAL DATA OUT
7
9
STROBE
10
OUTPUT
ENABLE/RESET
10
12
K
11 – 18
13 – 20
OUTN
8
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Pin Function
Substrate. Most Negative voltage in the system connects here.
Serial Data Clock. A CLEAR input must also be clocked into the latches.
Serial Data Input pin.
Serial Data Output pin. (Flow–through).
Output Strobe pin. Loads output latches when high. Strobe is needed to clear
latch.
When Low, Outputs are active. When High, device is reset from a fault
condition.
Transient suppression diode's cathode common pin.
Open Collector outputs 8 through 1.
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Micrel, Inc.
MIC58P42
Absolute Maximum Ratings(1)
Operating Ratings(2)
Output Voltage ............................................................. +80V
Output Voltage, VCE(SUS)(3) ............................................ +50V
Logic Supply Voltage Range (VDD) ................... 4.5V to 15V
VDD with reference to VEE ......................................... 25V
Emitter Supply Voltage (Substrate) (VEE) ..................... –20V
Input Voltage Range (VIN) ..................... –0.3V to VDD +0.3V
Operating Temperature Range (TA) .......... –65°C to +125°C
Storage Temperature Range (TS) ............. –60°C to +150°C
ESD Rating(4) ................................................. ESD Sensitive
Package Power Dissipation, PD
MIC58P42YN ............................................................ 1.82W
Derate above TA = +25°C ..................................... 18mW/°C
MIC58P42YV .............................................................. 1.4W
Derate above TA = +25°C ..................................... 14mW/°C
MIC58P42YWM .......................................................... 1.2W
Derate above TA = +25°C ..................................... 12mW/°C
Operating Temperature Range (TA) ............ –40°C to +85°C
Electrical Characteristics(5)
TA = 25°C, VDD = 5V; VSS = VEE = 0V, unless otherwise noted.
Symbol
Parameter
ICEX
Output Leakage Current
VCE(SAT)
Collector-Emitter Saturation
Voltage
IOUT = 100mA
IOUT = 200mA
IOUT = 350mA
VCE(SUS)
Collector-Emitter Sustaining
Voltage
IOUT = 350mA, L = 2mH
VIN(0)
Input Voltage (Low)
VIN(1)
Input Voltage (High)
VDD = 12V
VDD = 10V
VDD = 5.0V, Note 6
RIN
Input Resistance
VDD = 12V
VDD = 10V
VDD = 5.0V
IDD(ON)
IDD(1 ON)
Supply Current
IDD(OFF)
Condition
Min.
Typ.
Max.
VOUT = 80V
50
VOUT = 80V, TA = +70°C
100
0.9
1.1
1.3
Units
µA
1.1
1.3
1.6
V
50
V
1.0
10.5
8.5
3.5
50
50
50
V
200
300
600
kΩ
All Drivers ON, VDD = 12V
All Drivers ON, VDD = 10V
All Drivers ON, VDD = 5.0V
6.4
6.0
4.6
10.0
9.0
7.5
One Driver ON, All others OFF, VDD = 12V
One Driver ON, All others OFF, VDD = 10V
One Driver ON, All others OFF, VDD = 5.0V
3.1
2.9
2.3
4.5
4.5
3.6
All Drivers OFF, VDD = 12V
All Drivers OFF, VDD = 10V
All Drivers OFF, VDD = 5.0V
2.6
2.4
1.9
4.2
3.6
3.0
mA
Notes:
1. Exceeding the absolute maximum ratings may damage the device.
2. The device is not guaranteed to function outside its operating ratings.
3. For inductive load applications.
4. Devices are ESD sensitive. Handling precautions are recommended. Human body model, 1.5kΩ in series with 100pF.
5. Specification for packaged product only.
6. Operation of these devices with standard TTL or DTL may require the use of appropriate pull-up resistors to insure a minimum logic “1”.
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MIC58P42
Electrical Characteristics (Continued)
Symbol
Parameter
Condition
IR
Clamp Diode Leakage Current
VR = 80V
VF
Clamp Diode Forward Voltage
IF = 350mA
ILIM
Output Current Shutdown
Threshold
VSU
Start Up Voltage
VDD MIN
Minimum Supply (VDD)
Min.
Typ.
1.7
Max.
Units
50
µA
2.0
V
500
Note 7
mA
3.5
4.0
4.5
V
3.0
3.5
4.0
V
Thermal Shutdown
165
°C
Thermal Shutdown Hysteresis
10
°C
Note:
7. Undervoltage Lockout is guaranteed to release device at no more than 4.5V, and disable the device at no less than 3.0V.
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MIC58P42
Timing Diagram
Timing Conditions
(TA = +25°C, Logic Levels are VDD and VSS), VDD = 5V
A.
B.
C.
D.
E.
F.
G.
Typical Data Active Time Before Clock Pulse (Data Set-Up Time) ............................................................................ 75ns
Minimum Data Active Time After Clock Pulse (Data Hold Time). .............................................................................. 75ns
Minimum Data Pulse Width ...................................................................................................................................... 150ns
Minimum Clock Pulse Width ..................................................................................................................................... 150ns
Minimum Time Between Clock Activation and Strobe.............................................................................................. 300ns
Minimum Strobe Pulse Width ................................................................................................................................... 100ns
Typical Time Between Strobe Activation and Output Transition .............................................................................. 500ns
SERIAL DATA present at the input is transferred to the shift register on the logic “0” to logic “1” transition of the CLOCK
input pulse. On succeeding CLOCK pulses, the registers shift data information towards the SERIAL DATA OUTPUT. The
SERIAL DATA must appear at the input prior to the rising edge of the CLOCK input waveform.
Information present at any register is transferred to its respective latch when the STROBE is high (serial-to-parallel
conversion). The latches will continue to accept new data as long as the STROBE is held high. Applications where the
latches are bypassed (STROBE tied high) will require that the ENABLE input be high to prevent invalid output states.
When the ENABLE input is high, all of the output buffers are disabled (OFF) without affecting information stored in the
latches or shift register. With the ENABLE input low, the outputs are controlled by the state of the latches. A positive
OUTPUT ENABLE/ RESET pulse resets the output after a current shutdown fault. Thermal limit faults are not latched and
require no reset pulse.
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MIC58P42
MIC58P42 Truth Table
Serial
Data
Input
Clock
Input
Shift Register Contents
I1 I2 I3 ….. I8
Serial
Data
Output
Strobe
Input
Latch Contents
H
H R1 R2 ….. R7
R7
L
L R1 R2 ….. R7
R7
X
R1 R2 R3 ….. R8
R8
O
O
O
….. O
L
X
X
X
….. X
X
L
R1 R2 R3 ….. R8
P1 P2 P3 ….. P8
P8
H
P1 P2 P3 ….. P8
L
P1 P2 P3 ….. P8
X
H
H
I1 I2 I3 ….. I8
X
X
….. X
Output
Enable
Output Contents
I1 I2 I3 ….. I8
H
H ….. H
L = Low Level Logic
H = High Level Logic
X = Irrelevant
P = Present State
R = Previous State
O = Output OFF
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MIC58P42
Typical Characteristics
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MIC58P42
Maximum Allowable Duty Cycle, Plastic DIP
VDD = 5.0V
Number of Outputs ON
(IOUT = 200mA
VDD = 5.0V)
25°C
40°C
50°C
60°C
70°C
8
85%
72%
64%
55%
46%
7
97%
82%
73%
63%
53%
6
100%
96%
85%
73%
62%
5
100%
100%
100%
88%
75%
4
100%
100%
100%
100%
93%
3
100%
100%
100%
100%
100%
2
100%
100%
100%
100%
100%
1
100%
100%
100%
100%
100%
Max. Allowable Duty Cycle at Ambient Temperatures
VDD = 12V
Number of Outputs ON
(IOUT = 200mA
VDD = 12V)
25°C
40°C
50°C
60°C
70°C
8
80%
68%
60%
52%
44%
7
91%
77%
68%
59%
50%
6
100%
90%
79%
69%
58%
5
100%
100%
95%
82%
69%
4
100%
100%
100%
100%
86%
3
100%
100%
100%
100%
100%
2
100%
100%
100%
100%
100%
1
100%
100%
100%
100%
100%
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Max. Allowable Duty Cycle at Ambient Temperatures
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Micrel, Inc.
MIC58P42
Package Information and Recommended Landing Pattern(8)
18-Pin Wide SOIC (WM)
Note:
8. Package information is correct as of the publication date. For updates and most current information, go to www.micrel.com.
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MIC58P42
Package Information and Recommended Landing Pattern(8) Continued
18-Pin DIP (N)
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Revision 2.0
Micrel, Inc.
MIC58P42
Package Information and Recommended Landing Pattern(8) Continued
20-Pin PLCC (V)
MICREL, INC. 2180 FORTUNE DRIVE SAN JOSE, CA 95131 USA
TEL +1 (408) 944-0800 FAX +1 (408) 474-1000 WEB http://www.micrel.com
Micrel, Inc. is a leading global manufacturer of IC solutions for the worldwide high performance linear and power, LAN, and timing & communications
markets. The Company’s products include advanced mixed-signal, analog & power semiconductors; high-performance communication, clock
management, MEMs-based clock oscillators & crystal-less clock generators, Ethernet switches, and physical layer transceiver ICs. Company customers
include leading manufacturers of enterprise, consumer, industrial, mobile, telecommunications, automotive, and computer products.
Corporation headquarters and state-of-the-art wafer fabrication facilities are located in San Jose, CA, with regional sales and support offices and
advanced technology design centers situated throughout the Americas, Europe, and Asia. Additionally, the Company maintains an extensive network
of distributors and reps worldwide.
Micrel makes no representations or warranties with respect to the accuracy or completeness of the information furnished in this datasheet. This
information is not intended as a warranty and Micrel does not assume responsibility for its use. Micrel reserves the right to change circuitry,
specifications and descriptions at any time without notice. No license, whether express, implied, arising by estoppel or otherwise, to any intellectual
property rights is granted by this document. Except as provided in Micrel’s terms and conditions of sale for such products, Micrel assumes no liability
whatsoever, and Micrel disclaims any express or implied warranty relating to the sale and/or use of Micrel products including liability or warranties
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© 2015 Micrel, Incorporated.
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