F81485 Datasheet, PDF (8/12 Pages) Feature Integration Technology Inc. – 5V Low Power RS-485 Interface Transceiver

F81485
PARAMETER
Maximum Data Rate
Driver Input to Output
Driver Skew
Driver Rise or Fall Time
Driver Enable to Output
High
Driver Enable to Output Low
Driver Disable Time from
Low
Driver Disable Time from
High
SYMBOL MIN. TYP.
AC Characteristics
5
20
30
MAX
60
UNIT
Mbps
ns
20
30
60
ns
5
10
ns
3
15
40
ns
40
70
ns
40
70
ns
40
70
ns
40
70
ns
CONDITIONS
RE# = 5V, DE = 5V
t_PLH; R_DIFF = 54Ω, C_L1 =
C_L2 = 100pF
tPHL; RDIFF = 54Ω, CL1 =
C_L2 = 100pF
t_SKEW =⏐ t_DPLH - t_DPHL ⏐
10% to 90%, R_DIFF =
54Ω, C_L1 = C_L2 = 100pF
C_L1 = 100pF
CL1 = 100pF
CL1 = 15pF
CL1 = 15pF
5.3 Receiver Section
Test condition: VCC = 5V
PARAMETER
Differential Input Threshold
Input Hysteresis
Output Voltage High
Output Voltage Low
Output Current
Input Resistance
Input Current (A,B), V_IN =
12V
Input Current (A,B), V_IN = -
7V
Short Circuit Current
SYMBOL MIN. TYP.
DC Characteristics
-300
10
3.5
MAX
+0
UNIT
mV
mV
V
0.4
V
±1
μA
12
15
k
+1.0 mA
-0.8 mA
7
95Ω mA
CONDITIONS
-7V ≤ V_CM ≤ +12V
V_CM = 0V
I_o = -4mA, V_ID =
+200mV
Io = +4mA, VID = -
200mV
0.4V ≤ Vo ≤ 2.4V, RE#
= -5V
-7V ≤ VCM ≤ +12V
DE = 0V, V_cc = 0V or
5.25V, V_IN = 12V
DE = 0V, Vcc = 0V or
5.25V, V_IN = -7V
0V ≤ V_CM ≤ V_cc
8
Jan, 2012
V0.11P