CT1775 Просмотр технического описания (PDF) - Aeroflex Corporation

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CT1775

PRELIMINARY DATA SHEET Universal MacAir/1553 Dumb RTU Hybrid

Aeroflex Corporation 

19

ESC OUT

START CYCLE

ENC ENABLE

0

1

STROBE SYNC

110ns MAX

180ns MIN

2

3

4

STROBE DATA

SYNC SELECT

SEND DATA

(LOAD DATA)

LATCH DATA

TRI-STATE DATA

DATA SELECT

190ns MIN

240ns MIN

DON’T CARE

DON’T CARE

DON’T CARE

80ns MAX

80ns MIN

130ns MIN

80ns MIN

100ns MIN

70ns MIN

130ns MIN

FIGURE 4 – ENCODER DETAIL TIMING

SCDCT1775 Rev B

5

6

7

DSC OUT

TAKE DATA

100ns MAX

COMM / DATA SYNC PREVIOUS

150ns MAX

CURRENT SYNC

SERIAL DATA OUT

15

14

DATA SELECT

TRI-STATE DATA

VALID WORD

MODE CODE

RT ENABLE

DON’T CARE

BROADCAST

VAL CMD WD

0

1

2

100ns MAX

CURRENT

0

50ns MIN

50ns MAX

CURRENT DATA

100ns MAX

60ns MAX

60ns MAX

100ns MAX

110ns MAX

FIGURE 5 – DECODER DETAIL TIMING

7

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