AM79C976KI AMD (ADVANCED MICRO DEVICES), AM79C976KI Datasheet - Page 280
AM79C976KI
Manufacturer Part Number
AM79C976KI
Description
Manufacturer
AMD (ADVANCED MICRO DEVICES)
Datasheet
1.AM79C976KI.pdf
(312 pages)
Specifications of AM79C976KI
Operating Supply Voltage (typ)
3.3V
Operating Supply Voltage (min)
2.97V
Operating Supply Voltage (max)
3.63V
Operating Temperature Classification
Industrial
Mounting
Surface Mount
Pin Count
208
Lead Free Status / RoHS Status
Not Compliant
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SWITCHING CHARACTERISTICS: MEDIA INDEPENDENT INTERFACE
Notes:
1. MDIO valid measured at the exposed mechanical Media Independent Interface.
2. TXCLK and RXCLK frequency and timing parameters are defined for the external physical layer transceiver as defined in the
3. t
4. t
280
Transmit Timing
t
Receive Timing
t
t
Management Cycle Timing
t
t
t
t
t
t
TVAL
RSU
RH
MHIGH
MLOW
MCYC
MSU
MH
MVAL
Parameter
IEEE 802.3u standard. They are not replicated here.
Symbol
MSU
MVAL
and t
is the output delay when MDIO is driven by the Am79C976 device.
MH
TX_EN, TX_ER, TXD valid from
↑ TX_CLK
RX_DV, RX_ER, RXD setup to
↑ RX_CLK
RX_DV, RX_ER, RXD hold from
↑ RX_CLK
MDC Pulse Width HIGH Time
MDC Pulse Width LOW Time
MDC Cycle Period
MDIO setup to ↑ MDC
MDIO hold from ↑ MDC
MDIO valid from ↑ MDC
are input requirements when MDIO is driven by an external PHY device.
Parameter Name
P R E L I M I N A R Y
measured from V
measured from V
measured from V
measured from V
measured from V
measured from V
C
C
C
C
measured from V
measured from V
(Note 1, 3)
C
measured from V
measured from V
(Note 1, 3)
C
measured from V
measured from V
(Note 1, 4)
LOAD
LOAD
LOAD
LOAD
LOAD
LOAD
Am79C976
= 390 pf
= 390 pf
= 390 pf
= 470 pf,
= 470 pf,
= 470 pf,
Test Condition
ilmax
ihmin
ilmax
ihmin
ilmax
ihmin
ilmax
ihmin
ilmax
ihmin
ilmax
ihmin
= 0.8 V or
= 0.8 V or
= 0.8 V or
= 0.8 V or
= 2.0V
= 2.0V
= 0.8 V or
= 2.0V
= 0.8 V or
= 2.0V
= 2.0V
= 2.0V,
0
10
10
160
160
400
25
10
t
t
MCYC
MSU
Min
-
25
Max
9/14/00
ns
ns
ns
ns
ns
ns
ns
ns
ns
Unit
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