SPECIFICATIONS FOR BUS-8559 HYBRID
WITH BUS-25679 TRANSFORMER
BUS-8559 PIN FUNCTION TABLE
PIN
FUNCTION
TX Data Out
TX Data Out
Gnd
N.C.
N.C.
Variable Vcc
RX Data Out
Strobe
GND
RX Data Out
N.C.
PIN
FUNCTION
+15V DC
PARAMETER
VALUE
1
2
3
4
5
6
7
8
9
13
14
15
16
17
18
19
20
21
22
23
24
RECEIVER SECTION
Input Level
Input Impedance
Threshold Level
N.C.
40 V pk-pk differential max
4 kΩ differential min
1 V pk-pk nominal, internally set
(direct mode)
RX Data In
RX Data In
N.C.
GND
-15V DC
+5V DC
TX Inhibit
TX Data In
TX Data In
N.C.
TTL, 10 LS loads
Output Levels
Outputs:
VOL
VOH
IOL
0.6 V max
2.5 V min
4 mA max
-400 µA max
10
11
12
N.C.
IOH
TERMINAL
IDENTIFICATION
THIS SIDE
.275 MAX
(7.0)
TRANSMITTER SECTION
Input Levels
.250 MIN
(6.3)
Inputs:
Vih
Vil
Iih
Iil
TTL, 2 LS loads
2 V min
0.8 V max
80 µA max
-3.2 mA
SIDE VIEW
.63
MAX
.200 ± .005
(5.1 ± 0.1)
.500 ± .005
(13 ± 0.1)
Output Level
0-27 V pk-pk nominal across 145 Ω load
0-20 V pk-pk nominal
8
1
7
.63 MAX
(16.0)
6
2
(measured at output of BUS-25679
XFMR output - XFMR coupled stub)
5
3
4
.020 ± .002
(0.5 ± 0.1)
Rise/Fall Time
Output Noise
Variable Vcc
130 nsec typ
10 mV pk-pk differential max
0 to +15 V DC
BOTTOM VIEW
NOTES:
1. All dimensions are in inches (millimeters).
2. Pin callouts on bottom view are for reference only.
BUS-25679 TRANSFORMER OUTLINE
P.S.
VOLTS
STDBY
mA
25%
mA
100%
mA
POWER SUPPLIES
REQUIREMENTS
+5 V
+15 V
-15 V
Vcc
25 max 22 max 21 max
30 max 30 max 30 max
30 max 30 max 30 max
0.150 MAX
0
70
180
(3.81)
0.750 MAX
(19.05)
0.250 MIN
(6.35)
NOTE: This unit will also operate with ±12 V P.S.
12
13
12 EQ.SP.
0.100=1.100
TOL. NONCUM
(2.5=27.9)
TEMPERATURE
RANGE
Operating (Case temp.)
Storage
1.390 MAX
(33.02)
-55°C to +125°C
-55°C to +135°C
0.100
(2.54)
1
24
PHYSICAL
CHARACTERISTICS
Size (24-pin DDIP hybrid)
0.600±0.002
(15.2 ±0.05)
0.095
(2.41)
0.020 0.51 DIA PIN
0.016 0.41 24 PLACES
1.4 x 0.8 x 0.2 inches
(36 x 20 x 5 mm).
BOTTOM VIEW
SIDE VIEW
BUS-8559 MECHANICAL OUTLINE
Weight
0.4 oz
(
)
11 g
2
ETC [ ETC ]
