VSC838UG VITESSE [Vitesse Semiconductor Corporation], VSC838UG Datasheet - Page 14

• Manufacturer Part Number: VSC838UG
• Description: 3.2Gb/s 36x37 Crosspoint Switch
• Manufacturer: VITESSE [Vitesse Semiconductor Corporation]

Page 14
3.2Gb/s
36x37 Crosspoint Switch
Signal Name
Control Pins
ACTCLK
ACTIVITY
ALE_SCN
CMV
CONFIG
CS
DRIVE_CTRL
INCHAN0
(SDIN)
INCHAN1
(SCLK)
INCHAN2
INCHAN3
INCHAN4
INCHAN5
INIT
ITC
LOAD
OUTCHAN0
OUTCHAN1
ACTCHAN
OUTCHAN2
OUTCHAN3
OUTCHAN4
OUTCHAN5
SDOUT
SERIAL
TERM_CTRL
© VITESSE SEMICONDUCTOR CORPORATION • 741 Calle Plano • Camarillo, CA 93012
AD25
AG24
AH24
AD27
AD26
AD29
AD28
AF24
AJ24
Ball
AD2
AD1
AD3
AD4
AG6
AD5
AF6
AE6
F27
AJ6
A6
B6
F1
F2
F5
F4
F3
Tel: (800) VITESSE • FAX: [phone] • Email: [e-mail]
VITESSE
SEMICONDUCTOR CORPORATION
Clock for Activity Monitor (<10MHz)
ActivityResult from Previous ACTCLK Period
Address Latch Enable for Multiplexed Parallel Mode; Scan
Enable for Serial Mode. See Figures 2 through 6 for proper
use.
Output Drive Current Control (leave floating)
Logic HIGH Transfers Programming to Main Program
Memory
Chip Select (active LOW)
Output Drive Current Switch (LOW = 10mA, HIGH = 20mA)
Input Channel, Bit 0 and Serial Data in Serial Mode
Input Channel, Bit 1 and Serial Clock in Serial Mode
Input Channel, Bit 2
Input Channel, Bit 3
Input Channel, Bit 4
Input Channel, Bit 5
INIT = 0 Forces “Straight-Through” Program
Input Termination Control (GND = floating input termination,
V
Rising Edge Writes Data in Parallel and Burst Modes,
See Figure 5 for Serial Mode
Output Channel, Bit 0
Output Channel, Bit 1
Activity Channel Enable bit; HIGH = Enable
Output Channel, Bit 2
Output Channel, Bit 3
Output Channel, Bit 4
Output Channel, Bit 5
Serial Data Out for Serial Mode and Scan
SERIAL = 1 (Sets Serial Mode)
Output Back-Termination Control (LOW = no back term;
HIGH = 50 back-termination to V
CC
Internet: www.vitesse.com
= CML mode. See Table 7).
Description
CC
. See Table 9).
Preliminary Data Sheet
VSC838
G52351-0, Rev 3.0
ANALO
ANALO
LVTTL
LVTTL
LVTTL
LVTTL
LVTTL
LVTTL
LVTTL
LVTTL
LVTTL
LVTTL
LVTTL
LVTTL
LVTTL
LVTTL
LVTTL
LVTTL
LVTTL
LVTTL
LVTTL
LVTTL
LVTTL
LVTTL
LVTTL
LVTTL
Level
G
G
02/12/01