SC220C6B datasheet(7/34 Pages) ZARLINK

Part #	SC220C6B

Description	XpressFlow 2020 Ethernet Routing Switch Chipset

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Manufacturer	ZARLINK [Zarlink Semiconductor Inc]

Direct Link	http://www.zarlink.com

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PRELIMINARY

INFORMATION

XpressFlow-2020 Series –

SC220

Ethernet Switch Chipset

XpressFlow Engine

6

Rev. 4.5 – February

1999

Pin No(s).

Symbol

Type

Name & Functions

CAM Interface

214,215,217,218,219,

220,221,222,223,225,

226,228,229,220.221,

C_D[15:0]

TTL I/O-TS

(5VT)

CAM Interface – Data Bus bit [15:0]

239

C_WE#

CMOS Output CAM Interface – Write Enable

241

C_CE#

CMOS Output CAM Interface – Chip Enable

233

C_EC#

CMOS Output CAM Interface – Enable Comparison

234

C_CM#

CMOS Output CAM Interface – Data/Command Select

236

C_FF#

TTL Input

(5VT)

CAM Interface – Full Flag

237

C_MF#

TTL Input

(5VT)

CAM Interface – Match Flag

Test & Reserved Pins

65

TEST

CMOS I/O-TS Test Pin – Set Test Mode upon Reset,

and provides test status output during

test mode

62,63,64,67,242

n/c

---

Reserved Pins (5 pins)

Power Pins

32,78,115,161,206,243

VDD (Core)

Input

+3.3 Volt DC Supply for Core Logic (6

pins)

7,20,31,44,55,68,76,86,

94,102,110,120,144,

152,162,170,178,186,

197,216,227,238,252

VDD

Input

+3.3 Volt DC Supply for I/O Pads (23

pins)

35,81,112,158,209,240

VSS (Core)

Input

Ground for Core Logic (6 pins)

4,17,28,41,52,61,66,74,

83,91,99,197,117,127,

136,147,155,165,173,

181,188,200,213,224,

235,249

VSS

Input

Ground for I/O Pads (26 pins)

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