參數(shù)資料
型號(hào): UPD720133
廠商: NEC Corp.
英文描述: MOS Integrated Circuit
中文描述: 馬鞍山集成電路
文件頁(yè)數(shù): 25/36頁(yè)
文件大小: 409K
代理商: UPD720133
S17100JJ2V0DS
25
μ
PD720133
ROM
MIN.
MAX.
Clock frequency
t
SCL
100
kHz
Clock pulse width low
t
LOW
4.7
μ
s
Clock pulse width high
t
HIGH
4.0
μ
s
Clock low to data valid
t
AA
100
4500
ns
Start hold time
t
HD.STA
4.0
μ
s
Start setup time
t
SU.STA
4.7
μ
s
Data in hold time
t
HD.DAT
0
ns
Data in setup time
t
SU.DAT
0.2
μ
s
Data out hold time
t
DH
50
ns
Stop setup time
t
SU.STO
4.7
μ
s
Time the bus must be free before a new
transmission can start
t
BUF
10
μ
s
Write cycle time
t
WR
10
ms
3
6
Transmit Waveform for Transceiver at DP/DM
0 V
Differential
+
400 mV
Differential
400 mV
Differential
Unit Interval
Level 1
Level 2
0%
100%
Point 4
Point 3
Point 1
Point 2
Point 5
Point 6
3
7
Transmitter Measurement Fixtures
Vbus
D+
D-
Gnd
15.8
+
To 50
Inputs of a
High Speed Differential
Oscilloscope, or 50
Outputs of a High Speed
Differential Data Generator
50
Coax
50
Coax
USB
Connector
Nearest
Device
Test Supply Voltage
15.8
143
143
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