CS8900A datasheet(112/128 Pages) CIRRUS

112 / 128 page

112

DS271PP3

CS8900A

Crystal LAN™ ISA Ethernet Controller

CIRRUS LOGIC PRODUCT DATA SHEET

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)

Output Low Voltage

IOL = 24 mA

OD24, B24, O24ts

IOL = 10 mA

OD10

IOL = 4 mA

B4w, O4

VOL

0.4

Output Low Voltage (all outputs) VDD = 3.3V and TA = >70°C

VOL

0.425

Output High Voltage

IOH = -12 mA

B24

IOH = -2 mA

B4w, O24ts, O4

VOH

2.4

Output Leakage Current

≤ V

OUT ≤ VCC

OD24, OD10, B24, O24ts

B4w

ILL

-10

-20

µA

Input Low Voltage

I, Iw

VIL

0.8

Input High Voltage

I, Iw

VIH

2.4

Input Leakage Current

≤ V

IN ≤ VCC

-10

-20

µA

10BASE-T Interface

Transmitter Differential Output Voltage (Peak)

VOD

2.2

2.8

Receiver Normal Squelch Level (Peak)

VISQ

300

525

Receiver Low Squelch Level (LoRxSquelch bit set)

VSQL

125

290

AUI Interface

Transmitter Differential Output Voltage (DO+/DO- Peak)

VAOD

±0.45

±1.2

Transmitter Undershoot Voltage

VAODU

100

Transmitter Differential Idle Voltage (DO+/DO- Peak)

VIDLE

Receiver Squelch Level (DI+/DI- Peak)

VAISQ

180

300

CS8900A Datasheet(PDF) 112 Page - Cirrus Logic

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