Cirrus Logic CS8900A - Manual (Page 124)

124 DS271F5
CS8900A
Crystal LAN™ Ethernet Controller
CIRRUS LOGIC PRODUCT DATASHEET
DC CHARACTERISTICS
(Continued)
Notes: 2. OD24: Open Drain Output with 24 mA Drive
OD10: Open Drain Output with 10 mA Drive
B24: Bi-Directional with 3-State Output and 24 mA Drive
B4w: Bi-Directional with 3-State Output, Internal Weak Pullup, and 4 mA Drive
O24ts: 3-State Output with 24 mA Drive
O4: Output with 4 mA Drive
I: Input
Iw: Input with Internal Weak Pullup
Parameter Symbol Min Typ Max Unit
Digital Inputs and Outputs (Note 2)
Power Supply Current while Active 5.0V I
DD
- 60 - mA
Power Supply Current while Active 3.3V I
DD
- 50 - mA
Output Low Voltage I
OL
= 24 mA OD24, B24, O24ts
I
OL
= 10 mA OD10
I
OL
= 4 mA B4w, O4
V
OL
-
-
- -
-
- 0.4
0.4
0.4 V
V
V
Output Low Voltage (all outputs) V
DD
= 3.3V and T
A
= >70°C V
OL
0.425 V
Output High Voltage I
OH
= -12 mA B24
I
OH
= -2 mA B4w, O24ts, O4
V
OH
2.4
2.4 -
- -
- V
V
Output Leakage Current 0
≤ V
OUT
≤ V
CC
OD24, OD10, B24, O24ts
B4w
I
LL
-10
-20 -
- 10
10
µA
Input Low Voltage I, Iw V
IL
- - 0.8 V
Input High Voltage I, Iw V
IH
2.4 - - V
Input Leakage Current 0
≤ V
IN
≤ V
CC
I
Iw
I
L
-10
-20 -
- 10
10
µA
10BASE-T Interface
Transmitter Differential Output Voltage (Peak) V
OD
2.2 - 2.8 V
Receiver Normal Squelch Level (Peak) V
ISQ
300 - 525 mV
Receiver Low Squelch Level (LoRxSquelch bit set) V
SQL
125 - 290 mV
AUI Interface
Transmitter Differential Output Voltage (DO+/DO- Peak) V
AOD
- ±0.8 - V
Transmitter Undershoot Voltage V
AODU
- 75 - mV
Transmitter Differential Idle Voltage (DO+/DO- Peak) V
IDLE
- 30 - mV
Receiver Squelch Level (DI+/DI- Peak) V
AISQ
- 240 - mV