Philips Semiconductors

Product specification

MB2623

16-bit transceiver with dual enable, non-inverting

(3-State)

2

1998 Jan 16

853–1575 18869

FEATURES

and 200 V per Machine Model

DESCRIPTION

The MB2623 high-performance BiCMOS device combines low

static and dynamic power dissipation with high speed and high

output drive.

The MB2623 is a 16-bit transceiver featuring non-inverting 3-State

bus compatible outputs in both send and receive directions. The

MB2623 is designed for asynchronous two-way communication

between data buses.

The control function implementation allows for maximum flexibility in

timing. This device allows data transmission from the A bus to the B

bus or from the B bus to the A bus, depending upon the logic levels

at the Enable inputs (nOEBA and nOEAB). The Enable inputs can

be used to disable the device so that the buses are effectively

isolated.

QUICK REFERENCE DATA

SYMBOL

PARAMETER

CONDITIONS

TYPICAL

UNIT

Propagation delay

nAx to nBx, or nBx to nAx

3.2

3.1

ns

Input capacitance

4

pF

I/O capacitance

7

pF

Total supply current

50

µA

ORDERING INFORMATION

PACKAGES

TEMPERATURE RANGE

OUTSIDE NORTH AMERICA

NORTH AMERICA

DWG NUMBER

52–pin plastic Quad Flat Pack

–40

°C to +85°C

MB2623 BB

MB2623 BB

SOT379-1

LOGIC SYMBOL

19

22

20

23

17

16

25

26

2A5

15

14

21

18

1B7

2B1

GND

GND

GND

1B5

2B3

VCC

2B2

1B4

2B0

1B6

VCC

1

2

3

4

5

6

7

8

9

10

11

12

13

47

44

46

43

49

50

41 40

42

51

52

45

48

1A7

2A1

GND

GND

GND

1A5

2A3

VCC

2A2

1A4

2A0

1A6

VCC

39

38

37

36

35

34

33

32

31

30

29

28

27

52-pin PQFP

SB00104

PIN DESCRIPTION

PIN NUMBER

SYMBOL

FUNCTION

44, 43, 41, 40,

38, 37, 35, 34,

32, 31, 29, 28,

26, 25, 23, 22

1A0 – 1A7

2A0 – 2A7

Data inputs/outputs (A

side)

48, 49, 51, 52,

2, 3, 5, 6,

8, 9, 11, 12,

14, 15, 17, 18

1B0 – 1B7

2B0 – 2B7

Data inputs/outputs (B

side)

47, 19

1OEAB, 2OEAB

Output enable inputs

(active-High)

45, 21

1OEBA, 2OEBA

Output enable inputs

(active-Low)

4, 7, 10, 16,

20, 24, 30, 33,

36, 42, 46, 50

GND

Ground (0V)

1, 13, 27, 39

Positive supply voltage