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5222-DS02-R 数据表(PDF) 66 Page - Broadcom Corporation.

部件名 5222-DS02-R
功能描述  Dual Port 10/100BASE-TX IEEE 802.3u Fast Ethernet Transceiver
PDF  76 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
制造商  BOARDCOM [Broadcom Corporation.]
网页  http://www.broadcom.com
标志 BOARDCOM - Broadcom Corporation.

5222-DS02-R 数据表(HTML) 66 Page - Broadcom Corporation.

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BCM5222
Preliminary Data Sheet
7/20/04
Broadcom Corporation
Page 54
Timing and AC Characteristics
Document 5222-DS02-405-R
Table 39: MII 10BASE-T Receive Timing
Parameter
Symbol
Min
Typical
Max
Unit
RXC Cycle Time
RXC_CYCLE
400
ns
RXC High/Low Time
200
ns
CRS Assert after Receive Analog Data
RX_CRS_BT
300
ns
RXC Valid after CRS Assert
RXC_VALID
2000
ns
RXDV Assert after Receive Analog Data
RX_RXDV
2300
ns
RXDV Deassert after Receive Analog EOP ends
RX_NOT_RXDV
560
ns
CRS Deassert after Receive Analog EOP ends
RX_NOT_CRS
560
ns
Table 40: MII 10BASE-T Collision Timing
Parameter
Symbol
Min
Typical
Max
Unit
COL Assert after Receive Analog (while
transmitting)
RX_COL
TBD
ns
COL Deassert after TXEN Deassert (while
receiving)
TXEN_NOT_CO
L
TBD
ns
COL Assert after TXEN Assert (while receiving)
TXEN_COL
TBD
ns
COL Deassert after Receive Analog ends (while
transmitting)
RX_NOT_COL
TBD
ns
Table 41: 10BASE_T Serial Transmit Timing
Parameter
Symbol
Min
Typical
Max
Unit
TXC Cycle Time
TXC
95
100
105
ns
TXC Low Time
TXC High Time
TXC_LO
TXC_HIGH
35
50
65
ns
TXC Rise Time
TXC Fall Time
TXC_RISE
TXC_FALL
210
ns
TXEN, TXD0 to TXC Rising
TXEN_SETUP
10
TXEN, TXD0 Hold after TXC Rising
TXEN_HOLD
4
TXEN to TD± Start
TXEN_TDATA
500
ns
TXEN to TD± End
TXEN_QUIET
500
ns



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