参数资料
型号: S3P9648-QZ
元件分类: 微控制器/微处理器
英文描述: 8-BIT, OTPROM, 6 MHz, MICROCONTROLLER, PQFP44
封装: 10 X 10 MM, QFP-44
文件页数: 11/26页
文件大小: 179K
代理商: S3P9648-QZ
S3C9644/C9648/P9648
ELECTRICAL DATA
12-9
Table 12-8. Low Speed USB Electrical Characteristics
(T
A = – 40°C to + 85°C, Voltage Regulator Output V33out = 2.8 V to 3.5 V, typ 3,3 V)
Parameter
Symbol
Conditions
Min
Max
Unit
Transition Time:
Rise Time
Tr
CL = 50 pF
75
ns
CL = 350 pF
300
Fall Time
Tf
CL = 50 pF
75
CL = 350 pF
300
Rise/Fall Time Matching
Trfm
(Tr/Tf) CL = 50 pF
80
120
%
Output Signal Crossover Voltage
Vcrs
CL = 50 pF
1.3
2.0
V
Voltage Regulator Output Voltage
V33OUT
with V33OUT to GND 0.1
F
capacitor
2.8
3.5
V
Measurement
Points
90%
Tr
Tf
10%
D.U.T
R1
S/W
2.8V
Test
Point
CL
R1 = 15 K
R2 = 1.5 K
CL = 50pF-350pF
DM: S/W ON
DP: S/W OFF
R2
10%
Figure 12-6. USB Data Signal Rise and Fall Time
Vcrs
MAX: 2.0 V
MIN: 1.3 V
3.3 V
0 V
DP
DM
Figure 12-7. USB Output Signal Crossover Point Voltage
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