MAX3140EEI+T Maxim Integrated Products, MAX3140EEI+T Datasheet - Page 6
![IC UART W/RS485 28-QSOP](/photos/6/61/66154/28-qsop_21-0055_sml.jpg)
MAX3140EEI+T
Manufacturer Part Number
MAX3140EEI+T
Description
IC UART W/RS485 28-QSOP
Manufacturer
Maxim Integrated Products
Datasheet
1.MAX3140CEIT.pdf
(36 pages)
Specifications of MAX3140EEI+T
Features
Transceiver
Fifo's
8 Byte
Protocol
RS232, RS485
Voltage - Supply
4.75 V ~ 5.25 V
With Irda Encoder/decoder
Yes
With False Start Bit Detection
Yes
With Cmos
Yes
Mounting Type
Surface Mount
Package / Case
28-QSOP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
SWITCHING CHARACTERISTICS—SRL = V
(V
SPI/MICROWIRE-Compatible UART with Integrated
True Fail-Safe RS-485/RS-422 Transceivers
6
Driver Input to Output
Driver Output Skew
|
Driver Rise or Fall Time
Maximum Data Rate
Driver Enable to Output High
Driver Enable to Output Low
Driver Disable Time from Low
Driver Disable Time from High
Receiver Input to Output
|
Receiver Skew
Receiver Enable to Output Low
Receiver Enable to Output High
Receiver Disable Time from Low
Receiver Disable Time from
High
Time to Shutdown
Driver Enable from Shutdown to
Output High
Driver Enable from Shutdown to
Output Low
Receiver Enable from Shutdown
to Output High
Receiver Enable from Shutdown
to Output Low
CC
t
t
DPLH
RPLH
_______________________________________________________________________________________
= +5V ±5%, T
- t
- t
PARAMETER
RPHL
DPHL
|
|
Differential
A
= T
MIN
to T
MAX
t
t
t
t
, unless otherwise noted. Typical values are at V
DZH(SHDN)
RZH(SHDN)
SYMBOL
DZL(SHDN)
RZL(SHDN)
t
t
DSKEW
DR,
t
t
t
t
t
t
f
RPLH
SHDN
DPLH
DPHL
t
t
RSKD
t
t
t
t
RPHL
t
t
MAX
DZH
DHZ
RZH
RHZ
DZL
DLZ
RZL
RLZ
t
DF
,
Figures 3 and 5, R
C
Figures 3 and 5, R
C
Figures 3 and 5, R
C
Figures 4 and 6, C
Figures 4 and 6, C
Figures 4 and 6, C
Figures 4 and 6, C
Figures 7 and 9,
rise and fall time of V
Figures 7 and 9,
rise and fall time of V
Figures 2 and 8, C
Figures 2 and 8, C
Figures 2 and 8, C
Figures 2 and 8, C
(Note 5)
Figures 4 and 6, C
Figures 4 and 6, C
Figures 2 and 8, C
Figures 2 and 8, C
L1
L1
L1
= C
= C
= C
L2
L2
L2
= 100pF
= 100pF
= 100pF
CONDITIONS
CC
|
|
V
V
DIFF
DIFF
DIFF
L
L
L
L
L
L
L
L
L
L
L
L
ID
ID
= 100pF, S2 closed
= 100pF, S1 closed
= 15pF, S1 closed
= 15pF, S2 closed
= 100pF, S1 closed
= 100pF, S2 closed
= 100pF, S1 closed
= 100pF, S2 closed
= 15pF, S2 closed
= 15pF, S1 closed
= 100pF, S2 closed
= 100pF, S1 closed
ID
ID
|
|
≥ 2.0V,
≥ 2.0V,
= 54Ω,
= 54Ω,
= 54Ω,
≤ 15ns
≤ 15ns
CC
= +5V and T
MIN
250
250
200
500
50
A
= +25°C.)
TYP
720
720
530
127
200
20
20
20
20
-3
3
MAX
1000
1000
±100
2500
2500
4500
4500
3500
3500
950
100
100
200
±30
600
50
50
50
50
UNITS
kbps
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns