FBL22041BB 查看數據表（PDF） - Philips Electronics

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FBL22041BB

3.3V BTL 7-bit Futurebus + transceiver (standard A-port)

Philips Electronics 

Philips Semiconductors

3.3V BTL 7-bit Futurebus+ transceiver (standard A-port)

Product specification

FBL22041

PIN DESCRIPTION

SYMBOL

PIN NUMBER

ai0 – ai6

51, 2, 3, 8, 9, 14, 18

aO0 – aO6

50, 52, 4, 6, 10, 12, 16

b0 – b6

40, 38, 36, 34, 32, 30, 28

OEB0

46

OEB1

45

OEB2

25

OEB3

26

OEA1

47

OEA2

20

OEA3

24

bus gnd

41, 39, 37, 35, 33, 31, 29

LOGIC gnd

1, 5, 7, 11, 13, 15

LOGIC/bus VCC

BG VCC

BIAS V

23, 43, 49

17

48

TMS

42

Tck

44

Tdi

22

Tdo

21

BG GND

19

TYPE

Input

Output

i/o

Input

Input

Input

Input

Input

Input

Input

GND

GND

Power

Power

Power

Input

Input

Input

Output

GND

NAME AND FUNCTION

Data inputs (TTL)

3-state outputs (TTL)

Data inputs/Open Collector outputs, High current drive (BTL)

Enables the Bn outputs when High

Enables the B0 output when Low

Enables the B1 – B3 outputs when Low

Enables the B4 – B6 outputs when Low

Enables the A0 outputs when High

Enables the A1 – A3 outputs when High

Enables the A4 – A6 outputs when High

Bus ground (0V)

Logic ground (0V)

Positive supply voltage

Positive supply voltage BAND GAP

Positive supply voltage

Test Mode Select (no-connect)

Test Clock (no-connect)

Test Data In (shorted to TDO)

Test Data Out (TDI)

BAND GAP GROUND (0V)

1998 Aug 12

4

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