SN75ALS085_14 Datasheet, PDF (9/19 Pages) Texas Instruments – LAN ACCESS UNIT INTERFACE DUAL DRIVER/RECEIVER

receiver
PARAMETER
tPLH
tPHL
tPLH
tPHL
tsk
tw
tw
Propagation delay time,
low-to-high level output
Propagation delay time,
high-to-low level output
Start-up delay time,
low-to-high level output
Shutdown delay time,
high-to-low level output
Receiver caused signal
skew (tPLH – tPHL)
Pulse duration at RXI and RXI
(to not activate squelch)
Pulse duration at RXI and RXI
(to activate squelch)
tr1
Rise time, RXO
tr2
Rise time, RXEN
tf1
Fall time, RXO
tf2
Fall time, RXEN
tv
RXO valid after RXEN high
loop
PARAMETER
tPLH
tPHL
tPLH
tPHL
Propagation delay time,
low-to-high level output
Propagation delay time,
high-to-low level output
Propagation delay time,
low-to-high level output
Propagation delay time,
high-to-low level output
SN75ALS085
LAN ACCESS UNIT INTERFACE DUAL DRIVER/RECEIVER
SLLS054D – APRIL 1989 – REVISED OCTOBER 2001
FROM
(INPUT)
RXI, RXI
TO
(OUTPUT)
TEST CONDITIONS
RXO
VIC = 1 V to 4.2 V, See Figure 10
RXI, RXI
RXI, RXI
RXI, RXI
RXI, RXI
RXO
RXEN
RXEN
RXO
VIC = 1 V to 4.2 V, See Figure 10
VIC = 1 V to 4.2 V, VID = – 500 mV,
See Figure 12
VIC = 1 V to 4.2 V, VID = 500 mV,
See Figure 12
VIC = 1 V to 4.2 V, VID = 500 mV,
See Figure 10
VIC = 1 V to 4.2 V, VID = – 175 mV,
See Figure 11
VIC = 1 V to 4.2 V, VID = – 275 mV,
See Figure 11
VIC = 1 V to 4.2 V, VID = ± 500 mV,
See Figure 10
VIC = 1 V to 4.2 V, VID = ± 500 mV,
See Figure 12
VIC = 1 V to 4.2 V, VID = ± 500 mV,
See Figure 10
VIC = 2.5 V,
See Figure 12
VID = ± 500 V,
See Figure 10
MIN MAX UNIT
15 ns
15 ns
55 ns
142 181 ns
± 3 ns
25
ns
50 ns
1
8 ns
1
8 ns
1
8 ns
1
8 ns
– 10
15 ns
FROM
(INPUT)
TXI
TXI
TXEN
TXEN
TO
(OUTPUT)
RXO
RXO
TEST CONDITIONS
LOOP at 0.8 V,
See Figure 13
LOOP at 0.8 V,
See Figure 13
TXEN at 2 V,
TXEN at 2 V,
RXEN
LOOP at 0.8 V, See Figure 14
RXEN
LOOP at 0.8 V, See Figure 14
MIN MAX UNIT
30 ns
30 ns
50 ns
50 ns
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