ksz8021rnli Micrel Semiconductor, ksz8021rnli Datasheet - Page 34

• Manufacturer Part Number: ksz8021rnli
• Description: 10base-t/100base-tx Phy With Rmii Support
• Manufacturer: Micrel Semiconductor

Micrel, Inc.
Electrical Characteristics
Notes:
1. Exceeding the absolute maximum rating may damage the device. Stresses greater than the absolute maximum rating may cause permanent
2. The device is not guaranteed to function outside its operating rating.
3. T
4. Current consumption is for the single 3.3V supply KSZ8021/31RNL device only, and includes the transmit driver current and the 1.2V supply voltage
August 2010
Symbol
100Base-TX Transmit (measured differentially after 1:1 transformer)
V
V
t
V
10Base-T Transmit (measured differentially after 1:1 transformer)
V
t
10Base-T Receive
V
REF_CLK Output
r
r
, t
, t
O
IMB
SET
P
SQ
damage to the device. Operation of the device at these or any other conditions above those specified in the operating sections of this specification is
not implied. Maximum conditions for extended periods may affect reliability.
(V
f
f
A
DD_1.2
= 25°C. Specification is for packaged product only.
) that are supplied by the KSZ8021/31RNL.
Parameter
Peak Differential Output Voltage
Output Voltage Imbalance
Rise/Fall Time
Rise/Fall Time Imbalance
Duty-Cycle Distortion
Overshoot
Reference Voltage of ISET
Output Jitter
Peak Differential Output Voltage
Jitter Added
Rise/Fall Time
Squelch Threshold
50MHz RMII Clock Output Jitter
(3)
(Continued)
Condition
100Ω Termination Across Differential Output
100Ω Termination Across Differential Output
Peak-to-Peak
100Ω Termination Across Differential Output
Peak-to-Peak
5MHz Square Wave
Peak-to-Peak
(Applies to RMII – 50MHz Clock Mode only)
34
Min.
0.95
2.2
KSZ8021RNL / KSZ8031RNL
3
0
Typ.
0.65
400
600
0.7
25
M9999-082710-1.0
+ 0.25
Max.
1.05
2.8
0.5
1.4
3.5
2
5
5
Units
mV
ns
ns
ns
ns
ps
%
%
V
V
V