TSB41BA3 Datasheet, PDF (15/63 Pages) Texas Instruments – IEEE1394B THREE PORT CABLE TRANSCEIVER/ARBITER

TSB41BA3
IEEE 1394b THREEĆPORT CABLE TRANSCEIVER/ARBITER
SLLS155A − MAY 2003 − REVISED OCTOBER 2003
electrical characteristics over recommended ranges of operating conditions (unless otherwise noted)
driver
PARAMETER
TEST CONDITION
MIN TYP MAX UNIT
VOD 1394a differential output voltage
56 Ω, See Figure 1
172
265 mV
VOD 1394a differential output voltage
400 550 800 mV
IDIFF Driver difference current, TPA+, TPA−, TPB+, TPB− Drivers enabled, speed signaling off −1.05†
1.05† mA
ISP200 Common-mode speed signaling current, TPB+, TPB− S200 speed signaling enabled
−4.84‡
−2.53‡ mA
ISP400 Common-mode speed signaling current, TPB+, TPB− S400 speed signaling enabled
−12.4‡
−8.10‡ mA
VOFF Off state differential voltage
Drivers disabled, See Figure 1
20 mV
† _{Limits defined as algebraic sum of TPA+ and TPA− driver currents. Limits also apply to TPB+ and TPB− algebraic sum of driver currents.}
‡ _{Limits defined as absolute limit of each of TPB+ and TPB− driver currents.}
receiver
PARAMETER
ZID
Differential impedance
TEST CONDITION
Drivers disabled
ZIC
Common-mode impedance
VTH−R
VTH−CB
VTH+
VTH−
VTH−SP200
VTH−SP400
Receiver input threshold voltage
Cable bias detect threshold, TPBx cable inputs
Positive arbitration comparator threshold voltage
Negative arbitration comparator threshold voltage
Speed signal threshold
Speed signal threshold
Drivers disabled
Drivers disabled
Drivers disabled
Drivers disabled
Drivers disabled
TPBIAS−TPA common mode
voltage, drivers disabled
MIN TYP MAX UNIT
4
7
kΩ
4 pF
20
kΩ
24 pF
−30
30 mV
0.6
1.0 V
89
168 mV
−168
−89 mV
49
131 mV
314
396 mV
device
PARAMETER
TEST CONDITION
MIN TYP MAX UNIT
IDD
VTH
VOH
VOL
Supply current 3.3 VDD
Power status threshold, CPS input†
High-level output voltage, CTL0, CTL1, D0−D7, PCLK,
S5_LKON_DS2 outputs
Low-level output voltage, CTL0, CTL1, D0−D7, PCLK,
S5_LKON_DS2 outputs
See Note 2
400-kΩ resistor†
VDD = 3 to 3.6 V,
IOH = −4 mA
IOL = 4 mA
75
mA
4.7
7.5 V
2.8
V
0.4 V
IBH+
IBH−
IOZ
Positive peak bus holder current, D0−D7, CTL0−CTL1, LREQ
Negative peak bus holder current, D0−D7, CTL0−CTL1, LREQ
Off-state output current, CTL0, CTL1, D0−D7, S5_LKON_DS2
I/Os
VDD = 3.6 V,
VI = 0 V to VDD
VDD = 3.6 V,
VI = 0 V to VDD
VO = VDD or 0 V
0.05
1 mA
−1.0
−0.05 mA
±5 µA
IIRST Pullup current, RESETz input
VI = 1.5 V or 0 V
−90
−20 µA
VO
TPBIAS output voltage
At rated IO current
1.665
2.015 V
† _{Measured at cable power side of resistor.}
‡ _{This parameter applicable only when ISO low.}
NOTE 2: Repeat Max Packet (1 port receiving maximum size isochronous packet—4096 bytes, sent on every isochronous interval, data value
of 0xCCCCCCCCh; 2 ports repeating; all ports with S400 beta-mode connection), VDD3.3 = 3.3 V, internal regulator, TA = 25_C
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