Datasheet
S
CANL
FAULT
SN65HVD257
5V Supply and Fault
Output
TXD
RXD
GND
V
CC
CANH
1
2
3
4
8
7
6
5
SN65HVD256
S
CANH
CANL
5V Supply with RXD
Level-Shifting
TXD
RXD
GND
V
CC
V
RXD
1
2
3
4
8
7
6
5
SN65HVD255
5V Supply
TXD
RXD
GND
V
CC
S
CANH
CANL
NC
1
2
3
4
8
7
6
5
SN65HVD255
SN65HVD256, SN65HVD257
SLLSEA2C –DECEMBER 2011–REVISED SEPTEMBER 2013
www.ti.com
These devices have limited built-in ESD protection. The leads should be shorted together or the device placed in conductive foam
during storage or handling to prevent electrostatic damage to the MOS gates.
Figure 2. D PACKAGE (TOP VIEW)
DEVICE OPTIONS
I/O
TXD RXD FAULT
SUPPLY
PART NUMBER COMMENT
DTO DTO Output
for RXD
'251 and '1050 functional upgrade with 'Turbo CAN' fast loop times and
SN65HVD255 No Yes No No
TXD DTO protection allowing data rates down to 10kbps
'251 and '1050 functional upgrade with 'Turbo CAN' fast loop times and
SN65HVD256 Yes Yes No No TXD DTO protection allowing data rates down to 10kbps. RXD output
level shifting via RXD supply input.
'251 and '1050 functional upgrade with 'Turbo CAN' fast loop times,
SN65HVD257 No Yes Yes Yes TXD & RXD DTO protection allowing data rates down to 10kbps and
fault output pin
PIN FUNCTIONS
PIN
TYPE DESCRIPTION
NAME NO.
TXD 1 I CAN transmit data input (LOW for dominant and HIGH for recessive bus states)
GND 2 GND Ground connection
V
CC
3 Supply Transceiver 5V supply voltage
RXD 4 O CAN receive data output (LOW for dominant and HIGH for recessive bus states)
NC 5 NC SN65HVD255: No Connect
V
RXD
Supply SN65HVD256: RXD output supply voltage
FAULT O SN65HVD257: open drain FAULT output pin
CANL 6 I/O Low level CAN bus line
CANH 7 I/O High level CAN bus line
S 8 I Mode select: S (silent mode) select pin (active high)
ORDERING INFORMATION
(1)
T
A
PACKAGE
(2)
ORDERABLE PART NUMBER TOP SIDE MARKING
SN65HVD255D and SN65HVD255DR HVD255
–40°C to 125°C SOIC – D SN65HVD256D and SN65HVD256DR HVD256
SN65HVD257D and SN65HVD257DR HVD257
(1) For the most current package and ordering information, see the Package Option Addendum at the end of this document, or see the TI
web site at www.ti.com.
(2) Package drawings, thermal data, and symbolization are available at www.ti.com/packaging.
2 Submit Documentation Feedback Copyright © 2011–2013, Texas Instruments Incorporated
Product Folder Links: SN65HVD255 SN65HVD256 SN65HVD257