CT1775 Datasheet, PDF (3/14 Pages) Aeroflex Circuit Technology – CT1775 Universal MacAir/1553 Dumb RTU Hybrid

VALUES AT NOMINAL POWER SUPPLY VOLTAGES UNLESS OTHERWISE SPECIFIED
PARAMETER
VALUE
UNITS
Receiver
Differential Input Impedance
(DC to 1MHz)
Differential Input Voltage
Input Threshold (Direct Coupled)
CMRR (DC to 2MHZ)
CMV (DC to 2MHZ)
RX STROBE Characteristics
4 min
40 max
1 typ
40 min
±10 min
1 typ
KΩ
V_P-P
V_P-P
dB
V
TTL Loads
Transmitter
Differential Output Voltage
Direct Coupled (across 145Ω Load)
Transformer Coupled (at stub)
Output Rise and Fall time
Output Noise
TX INHIBIT Characteristics
30 typ
21 typ
130 typ
10 max
1 typ
V_P-P
V_P-P
ns
mV_P-P
TTL Loads
Logic
I_IH, I_IL, I_OH, I_OL
V_OH
V_OL
V_IH
V_IL
See pin function &
loading Table
2.5 min
V
0.4 max
V
2.0 min
V
0.7 max
V
Clock
V_OHC (Internal Clock)
V_OLC (Internal Clock)
V_IHC (External Clock)
V_ILC (External Clock)
Supply
V
-0.3 min
Ground
V
+0.3 min
Supply
V
-0.5 min
Ground
V
+0.5 min
Power Supplies
+5V OSC/CLOCK Supply
Voltage Tolerances
Current Drain
+5V Logic Supply
Voltage Tolerances
Current Drain
+15V (or +12V) Supply
Voltage Tolerances
Current Drain
-15V Supply
Voltage Tolerances
Current Drain
Idle
25% Transmit
100% Transmit
-12V Supply
Voltage Tolerances
Current Drain
Idle
25% Transmit
100% Transmit
±10
%
8 typ; 13 max
mA
±10
%
250 max
mA
±5
%
65 max
mA
±5
%
65 max
mA
105 max
mA
250 max
mA
±5
%
65 max
mA
105 max
mA
250 max
mA
Temperature Range
Operating (Case)
Storage
−55 to +125
°C
−65 to +150
°C
Physical Characteristics
Size
68 pin DDIP
1.6 x 1.9 x 0.18
in
SCDCT1775 Rev B
TABLE 1 – CT1775 SPECIFICATIONS
3