LAN88710BM_samples SMSC, LAN88710BM_samples Datasheet - Page 75

• Manufacturer Part Number: LAN88710BM_samples
• Description: Ethernet ICs MII/RMII 10/100 Automot Transceiver
• Manufacturer: SMSC

Specifications of LAN88710BM_samples

• Ethernet Connection Type: 10BASE-T, 100BASE-TX
• Minimum Operating Temperature: - 40 C
• Mounting Style: SMD/SMT
• Product: Ethernet Transceivers
• Standard Supported: IEEE802.3, IEEE802.3u
• Supply Voltage (max): 3.6 V
• Supply Voltage (min): 1.6 V
• Maximum Operating Temperature: + 105 C
• Package / Case: QFN-32
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Small Footprint MII/RMII 10/100 Ethernet Transceiver for Automotive Applications
Datasheet
SMSC LAN88710AM/LAN88710BM
5.6.5
SYMBOL
t
t
t
t
t
ohold
t
ihold
clkp
clkh
oval
t
clkl
su
(REF_CLK)
RXD[1:0]
CRS_DV
TXD[1:0]
RMII Interface Timing
Note 5.19 Timing was designed for system load between 10 pF and 25 pF.
CLKIN period
CLKIN high time
CLKIN low time
TXD[1:0], TXEN output valid from rising edge of
CLKIN
TXD[1:0], TXEN output hold from rising edge of
CLKIN
RXD[1:0], CRS_DV setup time to rising edge of
CLKIN
RXD[1:0], CRS_DV input hold time after rising
edge of CLKIN
CLKIN
TXEN
t
DESCRIPTION
ihold
t
ohold
Table 5.11 RMII Timing Values
t
su
Figure 5.6 RMII Timing
DATASHEET
t
t
ihold
t
val
clkh
t
clkp
75
t
clkl
t
su
t
t
t
clkp
clkp
t
ihold
val
MIN
3.0
4.0
1.5
20
* 0.35
* 0.35
t
t
clkp
clkp
MAX
14.0
* 0.65
* 0.65
t
t
ohold
ihold
t
val
UNITS
Revision 1.1 (05-26-10)
ns
ns
ns
ns
ns
ns
ns
t
su
Note 5.19
Note 5.19
Note 5.19
Note 5.19
NOTES