FW801A Datasheet, PDF (13/24 Pages) Agere Systems – Low-Power PHY IEEE 1394A-2000 One-Cable Transceiver/Arbiter Device

Data Sheet, Rev. 1
June 2001
FW801A Low-Power PHY IEEE 1394A-2000
One-Cable Transceiver/Arbiter Device
Electrical Characteristics
Table 3. Analog Characteristics
Parameter
Supply Voltage
Differential Input Voltage
Common-mode Voltage
Source Power Mode
Common-mode Voltage
Nonsource Power Mode*
Receive Input Jitter
Receive Input Skew
Positive Arbitration
Comparator Input
Threshold Voltage
Negative Arbitration
Comparator Input
Threshold Voltage
Speed Signal Input
Threshold Voltage
Output Current
TPBIAS Output Voltage
Current Source for
Connect Detect Circuit
Test Conditions
Source power node
Cable inputs, 100 Mbits/s operation
Cable inputs, 200 Mbits/s operation
Cable inputs, 400 Mbits/s operation
Cable inputs, during arbitration
TPB cable inputs,
speed signaling off
TPB cable inputs,
S100 speed signaling on
TPB cable inputs,
S200 speed signaling on
TPB cable inputs,
S400 speed signaling on
TPB cable inputs,
speed signaling off
TPB cable inputs,
S100 speed signaling on
TPB cable inputs,
S200 speed signaling on
TPB cable inputs,
S400 speed signaling on
TPA, TPB cable inputs,
100 Mbits/s operation
TPA, TPB cable inputs,
200 Mbits/s operation
TPA, TPB cable inputs,
400 Mbits/s operation
Between TPA and TPB cable inputs,
100 Mbits/s operation
Between TPA and TPB cable inputs,
200 Mbits/s operation
Between TPA and TPB cable inputs,
400 Mbits/s operation
—
—
200 Mbits/s
400 Mbits/s
TPBIAS outputs
At rated I/O current
—
Symbol
VDD—SP
VID—100
VID—200
VID—400
VID—ARB
VCM
VCM—SP—100
VCM—SP—200
VCM—SP—400
VCM
VCM—NSP—100
VCM—NSP—200
VCM—NSP—400
—
—
—
—
—
—
VTH+
VTH−
VTH—S200
VTH—S400
IO
VO
ICD
* For a node that does not source power (see Section 4.2.2.2 in IEEE 1394-1995 Standard).
Min Typ Max Unit
3.0 3.3 3.6 V
142 — 260 mV
132 — 260 mV
100 — 260 mV
168 — 265 mV
1.165 — 2.515 V
1.165 — 2.515 V
0.935 — 2.515 V
0.532 — 2.515 V
1.165 — 2.015 V
1.165 — 2.015 V
0.935 — 2.015 V
0.532 — 2.015 V
— — 1.08 ns
— — 0.5 ns
— — 0.315 ns
— — 0.8 ns
— — 0.55 ns
— — 0.5 ns
89 — 168 mV
–168 — –89 mV
45 — 139 mV
266 — 445 mV
–5 — 2.5 mA
1.665 — 2.015 V
— — 76 µA
Agere Systems Inc.
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