HT45B0K Holtek Semiconductor, HT45B0K Datasheet - Page 4

• Manufacturer Part Number: HT45B0K
• Description: SPI to USB Bridge
• Manufacturer: Holtek Semiconductor

A.C. Characteristics
Rev 1.00
R
f
t
t
t
t
t
t
t
t
t
t
t
Symbol
CLKI
CP
CH
CL
CSW
CSS
CSH
SDS
SDH
R
F
W
POR
V
System Clock
(External Clock Input)
SCK Period (t
SCK High Time
SCK Low Time
SDI to SCK Setup Time
SDI to SCK Hold Time
SPI Output Rise Time
SPI Output Fall Time
SPI Data Output Delay Time
DD
Slew Rate for POR
High Pulse Width
to SCK Setup Time
to SCK Hold Time
Parameter
CH
+
CL
)
3.3V~
5.0V
3.3V
5.0V
3.3V
5.0V
3.3V
5.0V
3.3V
5.0V
V
―
―
―
―
―
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DD
Test Conditions
4
Conditions
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SPI to USB Bridge
0.0034
Min.
62.5
50.0
500
400
100
100
―
―
28
22
28
22
―
―
0
0
0
Typ.
12
10
10
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6
HT45B0K
March 22, 2010
Max.
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www.DataSheet4U.com
V/ms
Unit
MHz
MHz
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns