B5S16862TTR 查看數據表（PDF） - STMicroelectronics

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B5S16862TTR

20-BIT TWO PORT BUS SWITCH WITH FOUR ENABLE CONTROL

STMicroelectronics 

B5S16862

INPUT EQUIVALENT CIRCUIT

) PIN DESCRIPTION

t(s PIN No

SYMBOL NAME QND FUNCTION

uc 1, 13

rod 2, 3, 4, 5, 6, 7,

8, 9, 10, 11

P 14, 15, 16, 17,

te 18, 19, 20, 21,

le 22, 23

o 34, 33, 32, 31,

s 30, 29, 28, 27,

b 26, 25

O 46, 45, 44, 43,

- 42, 41, 40, 39,

) 38, 37

t(s 47, 35

c 12, 24

du 36, 48

2G, 4G

Bus Enable Input

(Active Low)

1A0 to 1A9 Data Inputs

2A0 to 2A9 Data Inputs

2B0 to 2B9 Data Outputs

1B0 to 1B9 Data Outputs

1G, 3G

GND

VCC

Bus Enable Input

(Active Low)

Ground (0V)

Positive Supply Voltage

Pro TRUTH TABLE

teINPUT

ole yG

1An, 2An

sL

X

Ob H

X

OUTPUT

1Bn, 2Bn

Bus ON

Z

SCHEMATIC DIAGRAM

y: 1 to 4

y: 1, active on 1An, 1Bn port only with n:0 to 4

y: 2, active on 1An, 1Bn port only with n:5 to 9

y: 3, active on 2An, 2Bn port only with n:0 to 4

y: 4, active on 2An, 2Bn port only with n:5 to 9

X: "H" or "L"

Z: High Impedance

2/9

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