L9637D STMicroelectronics, L9637D Datasheet

IC INTERFACE ISO 9141 SOIC-8

L9637D

Manufacturer Part Number
L9637D
Description
IC INTERFACE ISO 9141 SOIC-8
Manufacturer
STMicroelectronics
Type
Bus Driverr
Datasheet

Specifications of L9637D

Input Type
Logic
Output Type
Logic
Interface
ISO9141
Current - Supply
2.3mA
Mounting Type
Surface Mount
Package / Case
8-SOIC (3.9mm Width)
Maximum Operating Temperature
+ 150 C
Mounting Style
SMD/SMT
Minimum Operating Temperature
- 40 C
Lead Free Status / RoHS Status
Lead free / RoHS Compliant

Available stocks

Company
Part Number
Manufacturer
Quantity
Price
Part Number:
L9637D
Manufacturer:
st
Quantity:
64
Part Number:
L9637D
Manufacturer:
ST
0
Part Number:
L9637D
Manufacturer:
ST
Quantity:
20 000
Part Number:
L9637D-TR
Manufacturer:
ST
0
Part Number:
L9637D013
Manufacturer:
ST
0
Part Number:
L9637D013TR
Manufacturer:
ROCKWEL
Quantity:
430
Part Number:
L9637D013TR
Manufacturer:
ST
0
Part Number:
L9637D013TR
Manufacturer:
ST
Quantity:
20 000
Part Number:
L9637D013TR
Manufacturer:
ST
Quantity:
17 243
Part Number:
L9637D013TR
Manufacturer:
ST
Quantity:
13 166
Part Number:
L9637D013TR
0
Part Number:
L9637DT
Manufacturer:
ST
0
Features
Table 1.
1. Device in ECOPACK® package (see
June 2009
Operating power supply voltage range
4.5 V ≤ V
Reverse supply (battery) protected down to
V
Standby mode with very low current
consumption IS
Low quiescent current in off condition
IS
TTL compatible TX input
Bidirectional K-I/O pin with supply voltage
dependent input threshold
Overtemperature shut down function Selective
to K-I/O pin
Wide input and output voltage range
-24 V ≤ V
K output current limitation, typ. I
Defined OFF output status in undervoltage
condition and V
Controlled output slope for low EMI
S
OFF
≥ -24 V
E-L9637D013TR
= 120 µA
L9637D013TR
E-L9637D
Order code
S
K
Device summary
L9637D
≤ 36 V (40 V for transients)
≤ V
S
SB
S
or GND interruption
(1)
≤ 1 mA @ V
(1)
Section 4: Package information on page
CC
Monolithic bus driver with ISO 9141 interface
K
= 60 mA
≤ 0.5 V
Doc ID 1765 Rev 7
Package
SO8
SO8
SO8
SO8
Description
The L9637 is a monolithic integrated circuit
containing standard ISO 9141 compatible
interface functions.
High input impedance for open V
connection
Defined output ON status of LO or RX for open
LI or K inputs
Defined K output OFF for TX input open
Integrated pull up resistors for TX, RX and LO
EMI robustness optimized
13).
SO8
Tape and reel
Tape and reel
Packing
Tube
Tube
S
L9637
or GND
www.st.com
1/15
15

Related parts for L9637D

L9637D Summary of contents

Page 1

... Controlled output slope for low EMI Table 1. Device summary Order code L9637D L9637D013TR (1) E-L9637D (1) E-L9637D013TR 1. Device in ECOPACK® package (see June 2009 Monolithic bus driver with ISO 9141 interface ≤ 0 ■ High input impedance for open V connection ■ Defined output ON status for open inputs ■ ...

Page 2

Contents Contents 1 Block diagram and pin description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 1.1 Block ...

Page 3

L9637 1 Block diagram and pin description 1.1 Block diagram Figure 1. Block diagram 1.2 Pin description Figure 2. Pin connection (top view) Table 2. Pin description N. Name VCC 4 TX ...

Page 4

Electrical specification 2 Electrical specification 2.1 Absolute maximum ratings Table 3. Absolute maximum ratings (No damage or latch) Symbol Supply voltage ISO transients 400 ms V Stabilized voltage CC ΔV /d Supply voltage transient S t ...

Page 5

L9637 Table 5. Electrical characteristics (continued) Symbol Parameter Supply V current OFF Input voltage low state low VK Input voltage high state high V Input threshold hysteresis Khys I Input current Koff RK ...

Page 6

Electrical specification Table 5. Electrical characteristics (continued) Symbol Parameter VL Input voltage HIGH state high VLI Input threshold hysteresis hys ILI Input current C Internal output capacities Ki,LO,RX f LI-LO f Transmission frequency K-RX f TX-k t rLI-LO t Rise ...

Page 7

L9637 Figure 3. Input to output timings and output pulse shape OUT 80% 20 OFF Doc ID 1765 Rev 7 Electrical specification t 80% 20 7/15 ...

Page 8

Electrical specification Figure 4. ISO application circuit 40V 510 Ohm K Diagnostic 0.4 Ohm Tester L 8/ OFF - + ILI ECU1 ECU2 Doc ID ...

Page 9

L9637 3 Functional description The L9637 is a monolithic bus driver designed to provide bidirectional serial communication in automotive diagnostic applications according to the specification "Diagnostic Systems ISO9141". The device provides a bidirectional link, called K, to the V includes ...

Page 10

Functional description Figure 5. Typical timing for mode transitions 10/ Doc ...

Page 11

L9637 Figure 6. Output characteristics Figure 7. Output signal shape related to output current ...

Page 12

Functional description Figure 8. EMS performance (ISO 9141 bus system Ohm Signal comparison Δ≤± 10% D£ Figure 9. Input power vs. frequency diagram ...

Page 13

L9637 4 Package information In order to meet environmental requirements, ST offers these devices in different grades of ® ECOPACK packages, depending on their level of environmental compliance. ECOPACK specifications, grade definitions and product status are available at: www.st.com. ® ...

Page 14

Revision history 5 Revision history Table 6. Document revision history Date 24-Jan-2002 07-Nov-2008 15-Jun-2009 14/15 Revision 5 Initial release. Document reformatted. 6 Added Table 1: Device summary on page Updated Section 4: Package information on page Updated the values of ...

Page 15

... L9637 Information in this document is provided solely in connection with ST products. STMicroelectronics NV and its subsidiaries (“ST”) reserve the right to make changes, corrections, modifications or improvements, to this document, and the products and services described herein at any time, without notice. All ST products are sold pursuant to ST’s terms and conditions of sale. ...

Related keywords