MA108 Datasheet, PDF (18/19 Pages) Megawin Technology Co., Ltd – USB Low Speed

MA108
USB Low Speed HID Keyboard V1.01
7 Electrical Characteristics
7.1 DC
VSS = 0V, TA = 25 ℃, VDD5V=VDDO= 5.0V and execute NOP for each machine cycle, unless otherwise
specified
Symbol
Parameter
Test
Condition
Limits
Unit
min typ max
V_IH1 Input High voltage (All I/O Ports except P35&P36)
2.0
V
V_IH2 Input High voltage (RESET)
3.9
V
V_IL1 Input Low voltage (All I/O Ports except P35&P36)
0.8
V
V_IL2 Input Low voltage (RESET)
I_OL1
Output Low current (All I/O Ports except
P35&P36)
V_PIN = 0.4V
1.1
V
4
mA
I_OP Operating current
F_OSC = 6MHz
6
mA
I_PD Power down current
150
uA
R_RST Internal reset pull-down resistance
50
KΩ
R_DM DM pull-up resistance in USB mode
1.1
KΩ
V33 Regulator output voltage
3.3
V
F_INT Built-in oscillator frequency
T_INT System initial time
5.91
6
6.09 MHz
60
ms
7.2 USB Transceiver Electrical Characteristics
VSS = 0V, TA = 25 ℃, VDD = 5.0V and execute NOP for each machine cycle, unless otherwise specified
Symbol
Parameter
Transmitter
V_OH Output High Voltage
V_OL Output Low Voltage
I_OL DP/DM output Low Current
V_CRS Output Cross Over point
Z_DRVH Output Impedance on Driving High
Z_DRVL Output Impedance on Driving Low
T_R Output Rise Time
T_F Output Fall Time
Receiver
V_DI Differential Input Sensitivity
V_CM Differential Input Common Mode Range
I_L Input Leakage current
Test
Condition
Limits
Unit
min typ max
2.8
V
0.8
V
V_PIN = 0.4V
30
mA
1.3
2.0
V
28
44
Ω
28
44
Ω
75
300
ns
75
300
ns
| DP – DM |
0.2
V
0.8
2.5
V
Pull-up Disabled
<1.0
uA
This document information is the intellectual property of Megawin Technology.
 Megawin Technology Co., Ltd. 2014 All right reserved.
QP-7300-03D
18/19