HT42B564-1 Datasheet, PDF (3/13 Pages) Holtek Semiconductor Inc – USB (HID) to UART Bridge IC

HT42B564-x
Pin Description
Pin Name
D+
D-
TX
RX
LED
UDET
V33O
VDDIO
VDD
GND
Type
I/O
I/O
O
I
O
I
O
PWR
PWR
PWR
Description
USB D+ Line
USB D- Line
Asynchronous data output – UART Transmit
Asynchronous data input – UART Receive
TX/RX signal LED indication, active low
USB plug-in/out detect pin
3.3V regulator output
Positive power supply for TX/RX pins
Positive power supply, USB bus power
Negative power supply, ground
Absolute Maximum Ratings
Supply Voltage ...........................V_SS-0.3V to V_SS+6.0V
Input Voltage ............................. V_SS-0.3V to V_DD+0.3V
Storage Temperature ........................... -55°C to 150°C
Operating Temperature ......................... -40°C to 85°C
I_OH Total ........................................................... -80mA
I_OL Total ...............................................................80mA
Total Power Dissipation ..................................500mW
Note: These are stress ratings only. Stresses exceeding the range specified under "Absolute Maximum Ratings"
may cause substantial damage to these devices. Functional operation of these devices at other conditions
beyond those listed in the specification is not implied and prolonged exposure to extreme conditions may
affect devices reliability.
D.C Characteristics
Symbol
Parameter
Test Conditions
V_DD
Conditions
V_DD
Operating Voltage
—
—
V_DDIO
UART Pins VDDIO input voltage —
—
I_DD
Operating Current
5V No load, USB Plug-in
I_SUS
Suspend Current – USB
5V
Suspend mode, No load, USB
on, other peripherals off
Standby mode, No load, USB
I_STB
Standby Current – Non-USB
3V Plug-out, other peripherals off,
VDD power from VDDIO
V_IL
Input Pin Input Low Voltage
—
—
V_IH
Input Pin Input High Voltage
—
—
I_OL
I/O Pin Sink Current
3V
5V ^{VOL = 0.1VDDIO}
I_OH
I/O Pin Source Current
3V
5V ^{VOH = 0.9VDDIO}
3V
—
R_PH
I/O Pin Pull-high Resistance
5V
—
I_LEAK
Input Leakage Current
3V
5V ^{VIN = VDD or VIN = VSS}
V_V33O
R_UDP1
3.3V Regulator Output Voltage
Pull-high Resistance between
D+ and V33O
5V I_V33O = 70mA
3.3V
—
Ta=25°C
Min. Typ. Max. Unit
3.3
—
5.5
V
1.8
—
V_DD
V
—
11
16 mA
— 360 450 μA
— 0.1 1.0 μA
0
— 0.2V_DDIO V
0.8V_DDIO —
V_DDIO
V
4
8
— mA
10
20
— mA
-2
-4
— mA
-5 -10 — mA
20
60 100 kΩ
10
30
50
kΩ
—
—
±1
μA
—
—
±1
μA
3.0 3.3 3.6
V
-5% 1.5 +5% kΩ
Rev. 1.00
3
December 21, 2016