HT45B0F Holtek Semiconductor, HT45B0F Datasheet - Page 3

• Manufacturer Part Number: HT45B0F
• Description: SPI-to-UART Bridge
• Manufacturer: Holtek Semiconductor

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D.C. Characteristics
Rev. 1.00
V
I
i
I
V
V
V
V
I
I
R
Sym-
DD2
DD1
STB
OL
OH
DD
IL1
IH1
IL2
IH2
bol
PH
Operating Voltage
Operating Current
(SPI Enabled, UART disabled)
Operating Current
(SPI enabled, UART enabled)
Standby Current
(SPI disabled, UART disabled)
Input Low Voltage for I/O Ports
Input High Voltage for I/O Ports
Input Low Voltage for CLKI
Input High Voltage for CLKI
I/O Port Sink Current
I/O Port Source Current
Pull-high Resistance for
SCS only
Parameter
2.0V
2.7V
3.3V
5.0V
2.0V f
2.7V
3.3V f
5.0V
2.0V
2.7V f
3.3V
5.0V
2.0V
2.7V
3.3V
5.0V
2.0V
2.7V
3.3V
5.0V
2.0V
2.7V
3.3V
5.0V
V
DD
f
f
f
f
Output no load
f
Output no load
Output no load
Output no load
f
SCS=V
TXEN=1, RXEN=1, SDI=H,
RX=H, Output no load
SCS=V
TXEN=1, RXEN=1, SDI=H,
RX=H, Output no load
V
V
CLKI
CLKI
CLKI
CLKI
CLKI
CLKI
CLKI
CLKI
CLKI
O
O
Test Conditions
=0.1V
=0.9V
= 12MHz
= 16MHz
= 20MHz
=12MHz, SCK=f
=16MHz, SCK=f
=6MHz, SCK=f
=12MHz, SCK=f
=12MHz, SCK=f
=16MHz, SCK=f
3
DD
DD
Conditions
DD
DD
, UARTEN=0,
, UARTEN=0,
CLKI
CLKI
CLKI
CLKI
CLKI
CLKI
/4,
/4,
/4,
/4,
/4,
/4,
0.7V
0.7V
Min.
10.0
2.0
2.7
4.5
0.5
1.0
4.0
30
20
15
10
0.4
1.0
4.0
5.0
0
0
DD
DD
Typ.
10.0
25.0
1.0
2.0
90
60
45
30
0.8
2.0
5.0
8.0
0.3V
0.3V
Max.
V
V
150
100
5.5
5.5
5.5
0.8
1.0
1.5
2.0
4.0
4.5
5.0
6.0
0.6
0.6
0.6
0.6
75
50
HT45B0F
DD
DD
DD
DD
June 7, 2011
Ta=25 C
Unit
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
k
k
k
k
V
V
V
V
V
V
V
A
A
A
A
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