參數(shù)資料
型號: TSB43AA82A1
廠商: Texas Instruments, Inc.
英文描述: 1394 integrated PHY and link layer controller(1394集成PHY和鏈路層控制器)
中文描述: 1394綜合物理層和鏈路層控制器(1394集成物理層和鏈路層控制器)
文件頁數(shù): 143/146頁
文件大?。?/td> 597K
代理商: TSB43AA82A1
143
14.3.2 Driver
PARAMETER
TEST CONDITION
56
between differential pairs
Drivers enabled, speed signaling off
MIN
TYP
MAX
UNIT
VOD
IDIFF
ISP200
ISP400
VOFF
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.
Differential output voltage
172
265
1.05
–2.53§
–8.10§
mV
Driver Ddfference current, TPA+, TPA–, TPB+, TPB–
–1.05
–4.84§
–12.4§
mA
Common-mode speed signaling current, TPB+, TPB–
S200 speed signaling enabled
mA
Common-mode speed signaling current, TPB+, TPB–
S400 speed signaling enabled
mA
Off-state differential voltage
Drivers disabled
20
mV
14.3.3 Receiver
PARAMETER
TEST CONDITION
MIN
TYP
MAX
UNIT
k
pF
k
pF
ZID
Differential impedance
4
7
4
ZIC
Common-mode impedance
20
Drivers disabled
24
VTH-R
VTH-CB
VTH+
VTH-
Receiver input threshold voltage
–30
30
mV
Cable bias detect threshold, TPB cable inputs
0.6
1
V
Positive arbitration comparator threshold voltage
89
168
mV
Negative arbitration comparator threshold voltage
–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
14.4 Switching Characteristics
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
±
0.15
±
0.10
1.2
UNIT
Jitter, transmit
Between TPA and TPB
ns
Skew, transmit
Between TPA and TPB
ns
tr
tf
TP differential rise time, transmit
10% to 90% at 1394 connector
0.5
ns
TP differential fall time, transmit
90% to 10% at 1394 connector
0.5
1.2
ns
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