STMUX1800L datasheet(3/21 Pages) STMICROELECTRONICS

Part #	STMUX1800L

Description	16- to 8-bit MUX/DEMUX for gigabit Ethernet LAN switch with LED switch and enhanced ESD protection

PDF	21 Pages

Scroll/Zoom	100%

Manufacturer	STMICROELECTRONICS [STMicroelectronics]

Direct Link	http://www.st.com

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3 / 21 page

STMUX1800L

Pin description

Doc ID 14869 Rev 4

3/21

Pin description

Figure 1.

Pin connection (top through view)

Table 2.

Pin description

Symbol

Name and function

2, 3, 7, 8, 11, 12, 14, 15

A, B, C, D, E, F, G, H

8-bit bus

48, 47, 43, 42, 37, 36, 32, 31

A0, B0, C0, D0, E0, F0, G0, H0 8-bit multiplexed to bus 0

46, 45, 41, 40, 35, 34, 30, 29

A1, B1, C1, D1, E1, F1, G1, H1 8-bit multiplexed to bus 1

N/C

Not connected

SEL

Bus and LED switch selection

19, 20, 54

LED1, LED2, LED3

LED switch input

22, 23, 25, 26, 51, 52

LED1_0, LED2_0, LED1_1,

LED2_1, LED3_1, LED3_0

LED switch output

4, 10, 18, 27, 38, 50, 56

VDD

Supply voltage

1, 6, 9, 13, 16, 21, 24, 28, 33,

39, 44, 49, 53, 55

GND

Ground

GND

LED1_0

LED2_0

GND

LED1_1

LED2_1

VDD

GND

VDD

GND

LED3

GND

LED3_0

LED3_1

VDD

GND

CS000103

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