參數(shù)資料
型號: TSB43AA82PGE
廠商: TEXAS INSTRUMENTS INC
元件分類: 微控制器/微處理器
英文描述: 2 CHANNEL(S), 400M bps, SERIAL COMM CONTROLLER, PQFP144
封裝: PLASTIC, QFP-144
文件頁數(shù): 50/146頁
文件大?。?/td> 770K
代理商: TSB43AA82PGE
143
14.3.2 Driver
PARAMETER
TEST CONDITION
MIN
TYP
MAX
UNIT
VOD
Differential output voltage
56
between differential pairs
172
265
mV
IDIFF
Driver Ddfference 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
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.
14.3.3 Receiver
PARAMETER
TEST CONDITION
MIN
TYP
MAX
UNIT
ZID
Differential impedance
4
7
k
ZID
Differential impedance
4
pF
ZIC
Common-mode impedance
20
k
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, TPB cable inputs
0.6
1
V
VTH+
Positive arbitration comparator threshold voltage
89
168
mV
VTH-
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
UNIT
Jitter, transmit
Between TPA and TPB
±0.15
ns
Skew, transmit
Between TPA and TPB
±0.10
ns
tr
TP differential rise time, transmit
10% to 90% at 1394 connector
0.5
1.2
ns
tf
TP differential fall time, transmit
90% to 10% at 1394 connector
0.5
1.2
ns
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