DC ELECTRICAL CHARACTERISTICS (cont.)

VDD = 5.0V, GND = 0V, T = Operating Temperature Range (unless otherwise specified).

A

AC ELECTRICAL CHARACTERISTICS

VDD = 5.0V, GND = 0V, T =Operating Temperature Range (unless otherwise specified).

A

HI-1565, HI-1566

PARAMETER

SYMBOL

CONDITION

MIN

TYP

MAX

UNITS

Output Voltage

Direct coupled

35 ohm load

7.0

9.0

Vp-p

(Measured at Point “A “ in Figure 3)

70

20.0

27.0

Vp-p

Output Noise

V

Differential, inhibited

10.0

mVp-p

Output Dynamic Offset Voltage

V

-90

90

mV

-250

250

mV

Output resistance

R

Differential, not transmitting

10

Kohm

Output Capacitance

C

1 MHz sine wave

15

pF

TRANSMITTER

(Measured at Point “A ” in Figure 3 unless otherwise specified)

D

D

V

Transformer coupled

V

ohm load

(Measured at Point “A “ in Figure 4)

Direct coupled

35 ohm load

(Measured at Point “A “ in Figure 3)

Transformer coupled

V

70 ohm load

(Measured at Point “A “ in Figure 4)

OUT

OUT

DYN

T

D

T

ON

DYN

OUT

OUT

PARAMETER

SYMBOL

TEST CONDITIONS

MIN

TYP

MAX

UNITS

Driver Delay

t

TXA/B, TXA/B to BUSA/B, BUSA/B

150

ns

Rise time

tr

35 ohm load

100

300

ns

Fall Time

tf

35 ohm load

100

300

ns

Inhibit Delay

t

Inhibited output

100

ns

t

Active output

150

ns

RECEIVER

TRANSMITTER

(Measured at Point “A ” in Figure 4 unless otherwise specified)

(Measured at Point “A ” in Figure 3)

T

Receiver Delay

t

From input zero crossing to RXA/B

450

ns

or

Receiver gap time

t

Spacing between RXA/B

90

365

ns

and

pulses.

1 MHz sine wave applied at point “AT” Figure 4,

amplitude range 0.86 Vp-p to 27.0Vp-p

Receiver Enable Delay

t

From STROBE rising or falling edge to

40

ns

RXA/B or

DR

RG

REN

RXA/B

RXA/B

RXA/B

D

DT

DI-H

DI-L

Transceiver A

Transceiver B

HI-1565 / HI-1566

MIL-STD-1553

Stub Coupler

MIL-STD-1553

BUS A

(Direct Coupled)

MIL-STD-1553

BUS B

(Transformer Coupled)

Isolation

Transformer

52.5

W

55

W

BUS B

52.5

W

55

W

BUS B

BUS A

BUS A

1:1.4

1:1.79

1:2.5

Isolation

Transformer

Figure 2. Bus Connecton Example using HI-1565 or HI-1566

HOLT INTEGRATED CIRCUITS

5