ThunderLAN

™ TNETE100A

PCI ETHERNET

™ CONTROLLER

SINGLE-CHIP 10 BASE-T WITH MII FOR 100 BASE-T/100VG-AnyLAN

SPWS021B – OCTOBER 1995 – REVISED NOVEMBER 1996

14

POST OFFICE BOX 1443

electrical characteristics over recommended ranges of supply voltage (unless otherwise noted)

(logic pins)

PARAMETER

TEST CONDITIONS †

MIN

NOM

MAX

UNIT

VOH High-level output voltage, TTL-level signal

VDD = MIN,

IOH = MAX

2.4

V

VOL

Low-level output voltage, TTL-level signal

VDD = MAX,

IOL = MAX

0.5

V

IO

High impedance output current

VDD = MIN,

VO = VDD

10

µA

IO

High-impedance output current

VDD = MIN,

VO = 0 V

–10

µA

II

Input current

VI = VSS to VDD

"10

µA

Supply current @ 25 MHz (PCLK) (See Note 8)

100 Mbps

150‡

210§

IDD

Supply current @ 25 MHz (PCLK) (See Note 8)

VDD = NOM / MAX

10 Mbps

190‡

mA

IDD

Supply current @ 33 MHz (PCLK) (See Note 8)

VDD = NOM / MAX

100 Mbps

183‡

285§

mA

Supply current @ 33 MHz (PCLK) (See Note 8)

10 Mbps

228‡

Ci

Input capacitance, any input¶

f = 1 MHz,

Others at 0 V

10

pF

Co

Output capacitance, any output or input / output¶

f = 1 MHz,

Others at 0 V

10

pF

† For conditions shown as MIN / MAX, use the appropriate value specified under the recommended operating conditions.

‡ Characterized in system test not tested

§ Characterized but not tested

¶ Specified by design/process

NOTE 8: Actual operating current is less than these maximum values. These maximum values were obtained under specially produced

worst-case test conditions, which are not sustained during normal device operation.

recommended operating conditions (physical layer pins) (see Note 9)

JEDEC

SYMBOL

MIN

NOM

MAX

UNIT

VDD

Supply voltage

4.75

5

5.25

V

NOTE 9: Physical layer pins include VDDOSC, VDDR, VDDT, VDDVCO, ACOLN, ACOLP, ARCVN, ARCVP, AXMTP, AXMTN, FATEST, FIREF,

FRCVN, FRCVP, FXTL1, FXTL2, FXMTP, and FXMTN.

electrical characteristics over recommended ranges of supply voltage (unless otherwise noted)

(physical interface pins)

10 Base-T receiver input (FRCVP, FRCVN)

PARAMETER

JEDEC

SYMBOL

TEST CONDITIONS

MIN

MAX

UNIT

VI(DIFF) Differential input voltage#

VID

0.6

2.8

V

I(CM)

Common-mode current#

IIC

4

mA

VSQ+

Rising input pair squelch threshold (see Note 10)

VCM = VSB,

See Note 11

360

mV

VSQ –

Falling input pair squelch threshold

VCM = VSB,

See Note 11

– 360

mV

# Refer to recommended operating conditions

NOTES: 10. VSQ is the voltage level at which input is assured to be seen as data.

11. VSB is the self-bias voltage of the input pair FRCVP and FRCVN.

10 Base-T transmitter drive characteristics (FXMTP, FXMTN)

PARAMETER

JEDEC

SYMBOL

TEST CONDITIONS

MIN

MAX

UNIT

VSLW

Differential voltage at specified slew rate

VOD(SLEW)

"2.2

"2.8

V

VO(CM)

Common-mode output voltage

VOC

See Figure 3d

0

4

V

VO(DIFF)

Differential voltage output

VOD

Into open circuit

5.25

V

VO(I)

Output idle differential voltage

VOD(IDLE)

"50

mV

IO(FC)

Output current, fault condition¶

IO(FC)

300

mA

¶ Specified by design/process