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TSB41BA3AIPFP Datasheet(PDF) 18 Page - Texas Instruments |
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TSB41BA3AIPFP Datasheet(HTML) 18 Page - Texas Instruments |
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18 / 66 page  TSB41BA3A IEEE 1394b THREEPORT CABLE TRANSCEIVER/ARBITER SLLS618B − JUNE 2004 − REVISED AUGUST 2004 18 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 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 1394b differential output voltage 300 700 800 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‡ −8.1‡ 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 TEST CONDITION MIN TYP MAX UNIT ZID Differential impedance Drivers disabled 4 7 k Ω ZID Differential impedance Drivers disabled 4 pF ZIC Common-mode impedance Drivers disabled 20 k Ω ZIC Common-mode impedance Drivers disabled 24 pF VTH−R Receiver input threshold voltage Drivers disabled −30 30 mV VTH−CB Cable bias detect threshold, TPBx cable inputs Drivers disabled 0.6 1 V VTH+ Positive arbitration comparator threshold voltage Drivers disabled 89 168 mV VTH− Negative arbitration comparator threshold voltage Drivers disabled −168 −89 mV VTH−SP200 Speed signal threshold TPBIAS−TPA common-mode voltage, drivers disabled 49 131 mV VTH−SP400 Speed signal threshold TPBIAS−TPA common-mode voltage, drivers disabled 314 396 mV device PARAMETER TEST CONDITION MIN TYP MAX UNIT IDD Supply current 3.3 VDD See Note 2 75 mA VTH Power status threshold, CPS input† 400-k Ω resistor† 4.7 7.5 V VOH High-level output voltage, CTL0, CTL1, D0−D7, PCLK, S5_LKON outputs VDD = 3 to 3.6 V, IOH = −4 mA 2.8 V VOL Low-level output voltage, CTL0, CTL1, D0−D7, PCLK, S5_LKON outputs IOL = 4 mA 0.4 V IBH+ Positive peak bus holder current, D0−D7, CTL0−CTL1, LREQ VDD = 3.6 V, VI = 0 V to VDD 0.05 1 mA IBH− Negative peak bus holder current, D0−D7, CTL0−CTL1, LREQ VDD = 3.6 V, VI = 0 V to VDD −1.0 −0.05 mA IOZ Off-state output current, CTL0, CTL1, D0−D7, VO = VDD or 0 V TSB41BA3A ±5 A IOZ Off-state output current, CTL0, CTL1, D0−D7, S5_LKON I/Os VO = VDD or 0 V TSB41BA3AI ±20 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. NOTE 2: Repeat Max Packet (1 port receiving maximum size isochronous packet—4096 bytes, sent on every isochronous interval, data value of 0x00FF00FFh; 2 ports repeating; all ports with S400 beta-mode connection), VDD3.3 = 3.3 V, internal regulator, TA = 25_C |
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