MAX485EESA Maxim Integrated Products, MAX485EESA Datasheet - Page 11
MAX485EESA
Manufacturer Part Number
MAX485EESA
Description
RS-422/RS-485 Interface IC
Manufacturer
Maxim Integrated Products
Datasheet
1.MAX488ECSA.pdf
(16 pages)
Specifications of MAX485EESA
Lead Free Status / Rohs Status
No
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
MAX485EESA
Manufacturer:
MAXIM/美信
Quantity:
20 000
Company:
Part Number:
MAX485EESA+
Manufacturer:
Maxim
Quantity:
12 392
Company:
Part Number:
MAX485EESA+
Manufacturer:
MAXIM
Quantity:
200
Part Number:
MAX485EESA+
Manufacturer:
MAXIM/美信
Quantity:
20 000
Company:
Part Number:
MAX485EESA+T
Manufacturer:
Maxim
Quantity:
22 500
Part Number:
MAX485EESA+T
Manufacturer:
MAXIM/美信
Quantity:
20 000
Figure 10. Driver/Receiver Timing Test Circuit
Figure 12. Driver Propagation Delays
Figure 14. Receiver Propagation Delays
V
DIFF
RO
A-B
DI
-V
-V
V
V
V
V
3V
0V
0V
OH
OL
ID
ID
Z
Y
O
O
DI
V
1/2 V
O
1.5V
DE
t
0V
R
10%
3V
O
±15kV ESD-Protected, Slew-Rate-Limited,
Y
Z
______________________________________________________________________________________
Low-Power, RS-485/RS-422 Transceivers
V
90%
ID
t
PLH
1.5V
V
t
SKEW =
DIFF
t
PHL
INPUT
= V (Y) - V (Z)
R
C
C
| t
DIFF
L1
L2
PLH
OUTPUT
- t
PHL
t
PHL
t
PLH
|
t
F
A
B
90%
1.5V
1.5V
0V
RE
10%
RO
1/2 V
O
Figure 13. Driver Enable and Disable Times (except MAX488E
and MAX490E)
and MAX490E)
Figure 11. Driver Timing Test Load
Figure 15. Receiver Enable and Disable Times (except MAX488E
RO
RO
RE
DE
V
Y, Z
Y, Z
3V
0V
CC
0V
V
0V
3V
0V
OL
UNDER TEST
OUTPUT
1.5V
1.5V
1.5V
1.5V
2.3V
2.3V
C
L
t
t
t
ZL(SHDN)
ZH(SHDN)
t
ZL(SHDN)
ZH(SHDN)
OUTPUT NORMALLY HIGH
OUTPUT NORMALLY LOW
500
OUTPUT NORMALLY HIGH
OUTPUT NORMALLY LOW
, t
, t
, t
, t
ZL
ZH
ZL
ZH
t
t
HZ
t
LZ
t
HZ
LZ
S1
S2
1.5V
1.5V
V
V
V
V
OL
OH
V
OL
OH
CC
+ 0.5V
- 0.5V
+0.5V
-0.5V
11