VSC8641XKO Vitesse Semiconductor Corp, VSC8641XKO Datasheet - Page 84

• Manufacturer Part Number: VSC8641XKO
• Description: IC PHY 10/100/1000 100-LQFP
• Manufacturer: Vitesse Semiconductor Corp
• Type: PHY Transceiverr

Specifications of VSC8641XKO

• Number Of Drivers/receivers: 1/1
• Protocol: Gigabit Ethernet
• Voltage - Supply: 2.5V, 3.3V
• Mounting Type: Surface Mount
• Package / Case: 100-LQFP
• Case: TQFP
• Dc: 07+
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 907-1031

Figure 20.
5.3.5
Table 73.
Revision 4.3
August 2009
Parameter
NRESET assertion time
Wait time between NRESET
de-assert and access of the
SMI interface
Soft reset (pin) assertion
Soft reset (pin) de-
assertion
Reset rise time
Supply stable time
Wait time between soft
reset pin de-assert and
access of the SMI interface
Soft reset MII register 0.15
assertion
Wait time between Soft
Reset (MII Register 0.15)
de-assert and access to the
SMI interface
SMI Interface Timing
Device Reset
The following specifications apply to the device reset functionality. For information
about the reset timing, see
AC Characteristics for Device Reset
(write)
(read)
MDIO
MDIO
MDC
t
SRESET_DEASSERT
t
SRESET_ASSERT
t
t
t
SREG_RESET
SREG_WAIT
t
VDDSTABLE
Symbol
RST_RISE
t
t
t
RESET
SWAIT
WAIT
t
WL
Figure 21,
Minimum
100
220
300
200
200
100
300
200
200
20
25
10
t
4
4
0
4
4
CYC
page 85.
Maximum
t
WH
t
SU
Data
Unit Condition
ms
ms
ms
ms
ms
ms
ms
ms
ms
ms
ms
ns
µs
µs
ns
µs
µs
Register 21E.14 = 0
Register 21E.14 = 1
If REG_EN pin = 0
If REG_EN pin = 1
Measured from a 10% level to a
90% level
Registers 28.1 = 1, 21E.14 = 0
Registers 28.1 = 0, 21E.14 = 0
Registers 28.1 = 0, 21E.14 = 1
Registers 28.1 = 1, 21E.14 = 1
Registers 18.1 = 1, 21E.14 = 0
Registers 18.1 = 0, 21E.14 = 0
Registers 18.1 = 0, 21E.14 = 1
Registers 18.1 = 1, 21E.14 = 1
Data
Electrical Specifications
t
H
VSC8641 Datasheet
t
CO
Page 84