CT2578 Datasheet, PDF (17/22 Pages) Aeroflex Circuit Technology – CT2578 / CT2581 SIMPLE REMOTE TERMINAL FOR MIL-STD-1553 / 1760 & McAir

OPERATING CONDITIONS
ABSOLUTE MAXIMUM RATINGS
VDD Supply voltage
VSS Supply voltage
VIH High level input voltage
VIL Low level input voltage
Operating free air temperature range
Storage temperature range
+7
0
VDD+0.5
VSS-0.5
-55 to +125
-65 to +150
Volts
Volts
Volts
Volts
C
C
RECOMMENDED OPERATING CONDITIONS
MIN NOM MAX UNIT
VDD Supply voltage
Free air temperature range
4.75 5.0 5.5 Volts
-55
+125 C
ELECTRICAL CHARACTERISTICS
DIGITAL SIGNALS
MIN NOM MAX UNIT
A1. INPUT WITH PULL UP
VIH High level input voltage
VIL Low level input voltage
IIH High level input current
IIL Low level input current
CIN Input capacitance
2.4
oc Volts
VSS
0.8 Volts
10 uA
35 65 120 uA
10 pf
A2. INPUT WITH PULL UP
VIH High level input voltage
VIL Low level input voltage
IIH High level input current
IIL Low level input current
CIN Input capacitance
2.4
oc Volts
VSS
0.8 Volts
10 uA
450 800 1500 uA
10 pf
B. INPUT WITH PULL DOWN
VIH High level input voltage
VIL Low level input voltage
IIH High level input current
IIL Low level input current
CIN Input capacitance
2.4
oc
35 65
VDD Volts
0.8 Volts
120 uA
10 uA
10 pf
C. OUTPUT
VOH High level output voltage VDD-0.5 VDD Volts
VOL Low level output voltage
0.4 Volts
IOH High level output current 2.0 5.5 10.0 mA
IOL Low level output current 2.0 5.5 10.0 mA
D. OPEN DRAIN OUTPUT
VOH High level output voltage
oc Volts
VOL Low level output voltage
0.4 Volts
IOH High level output current
10 uA
IOL Low level output current 2.0 5.5 10.0 mA
SCDCT2578 REV B 3/11/98
E. Not Used
MIN NOM MAX UNIT
F. INPUT OUTPUT
VIH High level input voltage 2.4
VDD Volts
VIL Low level input voltage VSS
0.8 Volts
IIH High level input current
10 uA
IIL Low level input current
10 uA
CIN Input capacitance
10 pf
VOH High level output voltage VDD-0.5 VDD Volts
VOL Low level output voltage
0.4 Volts
IOH High level output current 2.0 5.5 10.0 mA
IOL Low level output current 2.0 5.5 10.0 mA
IHZ High impedance IO current
10 uA
G. INPUT OUTPUT WITH PULL UP
VIH High level input voltage
VIL Low level input voltage
IIH High level input current
IIL Low level input current
CIN Input capacitance
VOH High level output voltage
VOL Low level output voltage
IOH High level output current
IOL Low level output current
oc
VSS
450 800
VDD-0.5
0.5 1.0
1.5 5.0
oc
0.8
10
1500
10
VDD
0.4
1.8
9.0
Volts
Volts
uA
uA
pf
Volts
Volts
mA
mA
DATA BUS SIGNALS
H. TRANSMITTER
IO Driver peak output current
600
VO Differential output level 7.0 7.5 9.0
point A-A’ (RL=35 ohms)
on 1760 BUS
TRF Rise and fall times
100 200 300
(10%-90% of p-p output)
VOE Output offset 2.5 uS after -90
90
mid bit crossing of parity,
point A-A’ (RL=35 ohms)
VO Differential output level 6.0 7.5 9.0
point A-A’ (RL=35 ohms)
on 1553 BUS
mA
V p-p
nS
mV
V p-p
H. RECEIVER
VIDR Differential input level
14 20
point P-P’ (TXFMR-2.12:1)
CMRR Common mode rejection 45
ratio
VTH Input threshold voltage 0.60 0.82 1.20
referred to the bus
(100KHz-1MHz)
V p-p
dB
V p-p
17