參數(shù)資料
型號(hào)： UPD72850AGK-9EU
廠商： NEC Corp.
元件分類： 圓形連接器
英文描述： Circular Connector; No. of Contacts:56; Series:MS27467; Body Material:Aluminum; Connecting Termination:Crimp; Connector Shell Size:25; Circular Contact Gender:Pin; Circular Shell Style:Straight Plug; Insert Arrangement:25-4 RoHS Compliant: No
中文描述： IEEE1394連接400Mbps的物理層
文件頁數(shù)： 39/48頁
文件大?。?/td> 290K
代理商： UPD72850AGK-9EU
Data Sheet S14452EJ1V0DS00
39
μ
PD72850A
DC Characteristics
Common
Parameter
Symbol
Condition
MIN.
TYP.
MAX.
Unit
3-port, S400, V
DD
= 3.6 V
240
mA
Supply current
I
DD
1-port transmit or receive,
S400, V
DD
= 3.3 V
135
mA
PHY/Link Interface
Parameter
Symbol
Condition
MIN.
TYP.
MAX.
Unit
High-level output voltage (Undifferentiated)
V
OH
I
OH
= –4 mA
2.8
V
High-level output voltage (Differentiated)
V
OHD
I
OH
= –9 mA
V
DD
–0.4
V
Low-level output voltage (Undifferentiated)
V
OL
I
OH
= 4 mA
0.4
V
Low-level output voltage (Differentiated)
V
OLD
I
OH
= 9 mA
0.4
V
High-level input voltage (Undifferentiated)
V
IH
2.6
V
DD
+10%
V
Low-level input voltage (Undifferentiated)
V
IL
0.7
V
Input rising threshold voltage (LPS)
V
LIT+
V
LREF
+1
V
Input falling threshold voltage (LPS)
V
LIT-
V
LREF
+0.2
V
Hysteresis input rising threshold
voltage(Differentiated)
V
IT+
V
REF
+0.3
V
REF
+0.9
V
Hysteresis input falling threshold
voltage(Differentiated)
V
IT-
V
REF
–0.9
V
REF
–0.3
V
Reference voltage
V
REF
V
DD
/2±1%
V
Reference voltage (LPS)
V
LREF
0.5
1.6
V
Input capacitance
C
IN
7.5
pF
Cable Interface
Parameter
Symbol
Condition
MIN.
TYP.
MAX.
Unit
Cable input, 100 Mbps operation
142
260
mV
Cable input, 200 Mbps operation
132
260
mV
Differential input voltage
V
ID
Cable input, 400 Mbps operation
118
260
mV
100 Mbps speed signaling off
1.165
2.515
V
200 Mbps speed signaling
0.935
2.515
V
TpB common mode input voltage
V
ICM
400 Mbps speed signaling
0.523
2.515
V
Differential output voltage
V
OD
Cable output (Test load 55
)
172.0
265.0
mV
100 Mbps speed signaling off
1.665
2.015
V
200 Mbps speed signaling
1.438
2.015
V
TpA common mode output voltage
V
OCM
400 Mbps speed signaling
1.030
2.015
V
100 Mbps speed signaling off
–0.81
+0.44
mA
200 Mbps speed signaling
–4.84
–2.53
mA
TpA common mode output current
I
CM
400 Mbps speed signaling
–12.40
–8.10
mA
Power status threshold voltage
V
TH
CPS
7.5
V
TpBias output voltage
V
TPBIAS
1.665
2.015
V
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