CS8900A_01 Datasheet, PDF (122/137 Pages) Cirrus Logic – Crystal LAN TM ISA Ethernet Controller

CS8900A
Crystal LAN™ ISA Ethernet Controller
DC CHARACTERISTICS (Continued)
Parameter
Symbol Min
Typ
Digital Inputs and Outputs
(Note 2)
Output Low Voltage
I_OL = 24 mA OD24, B24, O24ts V_OL
-
-
I_OL = 10 mA
OD10
-
-
I_OL = 4 mA
B4w, O4
-
-
Output Low Voltage (all outputs) V_DD = 3.3V and T_A = >70°C V_OL
Output High Voltage
I_OH = -12 mA
B24 V_OH
2.4
-
I_OH = -2 mA
B4w, O24ts, O4
2.4
-
Output Leakage Current 0 ≤ V_OUT ≤ V_CC
I_LL
OD24, OD10, B24, O24ts
-10
-
B4w
-20
-
Input Low Voltage
Input High Voltage
Input Leakage Current
0 ≤ V_IN ≤ V_CC
I, Iw V_IL
-
-
I, Iw V_IH
2.4
-
I_L
I
-10
-
Iw
-20
-
10BASE-T Interface
Transmitter Differential Output Voltage (Peak)
Receiver Normal Squelch Level (Peak)
Receiver Low Squelch Level (LoRxSquelch bit set)
AUI Interface
V_OD
2.2
-
V_ISQ
300
-
V_SQL
125
-
Transmitter Differential Output Voltage (DO+/DO- Peak)
Transmitter Undershoot Voltage
Transmitter Differential Idle Voltage (DO+/DO- Peak)
Receiver Squelch Level (DI+/DI- Peak)
V_AOD
±0.45
-
V_AODU
-
-
V_IDLE
-
-
V_AISQ
180
-
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
Max Unit
0.4
V
0.4
V
0.4
V
0.425 V
-
V
-
V
µA
10
10
0.8
V
-
V
µA
10
10
2.8
V
525 mV
290 mV
±1.2
V
100 mV
40
mV
300 mV
CIRRUS LOGIC PRODUCT DATASHEET
122
DS271PP4