Electrical Characteristics con’t
Parameter / Condition
Sym
Min
Typ
Max
Unit
Receiver con’t
Output Characteristics, RX Data & Data
“1” State (I
SOURCE
= -0.4 mA) Note 2
“0” State (I
SINK
= 4 mA) Note 2
Note: With Receiver input below threshold, both RX Data & RX
Data outputs remain in “1” state.
Delay (average) from differential input zero crossings to RX Data
& RX Data output 50% points.
Note 1: Assumes unit in free air (natural convection cooling).
V
OH
V
OL
2.5
-
3.3
-
-
0.5
V
V
t
DRX
-
290
450
ns
Driver
Power Supply Voltage Ranges
(See Receiver Section for V
CCL
)
Supply Current
,
“Standby” mode (See Receiver Section for I
CCL
)
(TX Inhibit high; or TX Data & TX Data both high or both low)
Supply Current transmitting at 1MHz into a 35Ω load
at point A in Figure 4
(I
CCL
limits do not change with mode of operation
or duty cycle)
Input Characteristics, TX Data In or TX Data In
“0” Input Current (V
IN
= 0.4 V)
“1” Input Current (V
IN
= 2.7 V)
“0” Input Voltage
“1” Input VoltageV
Inhibit Characteristic
“0” Input Current (V
IN
= 0.4 V)
“1” Input Current (V
IN
= 2.7 V)
“0” Input Voltage
“1” Input Voltage
Delay from TX Inhibit (0
∅
1) to inhibited output impedance
Delay from TX Inhibit (1
∅
0) to active output impedance
Differential output noise, inhibit mode
Differential output impedance (inhibited) at 1MHz
Output Characteristics (Figure 3)
Differential output level (140 ohm load)
Differential Active output impedance at 1MHz
Rise and Fall times (10% to 90% of p-p output)
Output offset at point A in Fig. 4 (35Ω load) 2.5µS after mid-bit
crossing of the parity bit of the last word of a 660µS message
Delay from 50% point of TX Data or TX Data input to zero
crossing of differential output
Duty Cycle
25%
100%
I
EETX
I
ILD
I
IHD
V
ILD
V
IHD
I
ILI
I
IHI
V
ILI
V
IHI
I
t
DXOFF
t
DXON
V
NOI
Z
OI
V
O
Z
OA
t
R
/ t
F
V
OS
t
DTX
Note 3
-
-
-
2.0
-
-
-
2.0
-
-
-
10K
28
-
200
-
-
135
-
-
-
-
-
-
-
-
300
100
-
-
32
-
-
±20
220
Note 2
-1.2
100
0.7
-
-0.8
50
0.7
-
450
350
10
-
35
10
300
±75
350
mA
mA
µa
V
V
mA
µA
V
V
ns
ns
mV
PEAK
Ω
Vp-p
Ω
ns
mVpeak
ns
V
CCTX
V
EETXL
I
CCTXS
I
EETXS
I
CCX
25
I
EEX
25
V
CCTX
+11.75
-11.75
-
-
Note 4
Note 3
Note 4
-
-
12
0
45
35
150
+15.75
-15.75
Note 2
1.0
Note 2
Note 2
Note 2
V
V
mA
mA
mA
mA
mA
Note 2: Maximum supply currents for driver and receiver combined are included in power and thermal data table.
Aeroflex Circuit Technology
4
SCDCT3232 REV A 6/27/02 Plainview NY (516) 694-6700
AEROFLEX [ AEROFLEX CIRCUIT TECHNOLOGY ]
