參數(shù)資料
型號(hào): KS86C6408
廠商: SAMSUNG SEMICONDUCTOR CO. LTD.
英文描述: SAM87RI family of 8-bit single-chip CMOS microcontrollers offers a fast and efficient CPU, a wide range of integrated peripherals, and various mask-pr
中文描述: SAM87RI家庭的8位單芯片CMOS微控制器提供了快速,高效的CPU,一個(gè)廣泛的集成外設(shè),各種面具,公關(guān)
文件頁(yè)數(shù): 19/28頁(yè)
文件大小: 193K
代理商: KS86C6408
KS86C6404/C6408/P6408
ELECTRICAL DATA
12-9
Table 12-8. Low Speed USB Electrical Characteristics
(T
A
= – 40
°
C to + 85
°
C, Voltage Regulator Output V
33out
= 2.8 V to 3.5 V, typ 3,3 V)
Parameter
Symbol
Transition Time:
Rise Time
Tr
Conditions
Min
Max
Unit
CL = 50 pF
CL = 350 pF
CL = 50 pF
CL = 350 pF
(Tr/Tf) CL = 50 pF
CL = 50 pF
with V33OUT to GND 0.1
μ
F
capacitor
75
75
80
1.3
2.8
ns
300
300
120
2.0
3.5
Fall Time
Tf
Rise/Fall Time Matching
Output Signal Crossover Voltage
Voltage Regulator Output Voltage
Trfm
Vcrs
V33OUT
%
V
V
Measurement
Points
90%
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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