TNETX4080 Datasheet, PDF (51/64 Pages) Texas Instruments – ThunderSWITCH IIE 8-PORT 10-/100-MBIT/S ETHERNETE SWITCH

TNETX4080
ThunderSWITCH II^™ 8-PORT 10-/100-MBIT/S ETHERNET^™ SWITCH
SPWS050A – AUGUST 1998 – REVISED NOVEMBER 1998
electrical characteristics over recommended operating conditions (unless otherwise noted)
PARAMETER
VOH
High-level output voltage
VOL
Low-level output voltage
IOZ
High-impedance-state output current
IIH
High-level input current
IIL
Low-level input current
VOHR High-level output voltage (RSL)
VOLR Low-level output voltage (RSL)
IOZR High-impedance-state output current (RSL)
IIHR
High-level input current (RSL)
IILR
Low-level input current (RSL)
Ci
Capacitance, input
Co
Capacitance, output
† _{Values specified in recommended operating conditions}
TEST CONDITIONS
IOH = rated†
IOL = rated†
VO = VDD or GND
VI = VIH
VI = VIL
IOHR = 0.25 mA
IOLR = 1 mA
MIN
VDD(3.3)–0.5
2
0
TYP MAX UNIT
V
0.5 V
±10 µA
1 µA
–1 µA
VDD V
0.4 V
µA
µA
µA
6
pF
6
pF
timing requirements over recommended operating conditions
IEEE Std 1149.1 (JTAG) interface
control signals
RESET (see Figure 10)
NO.
1 tw(RESETP) Pulse duration, RESET low at power up
1 tw(RESET) Pulse duration, RESET low at other times
MIN MAX UNIT
100
µs
4
tcycle
RESET
1
Figure 10. RESET
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