ZL30241 Data Sheet
35
Microsemi Corporation
AC Characteristics - SPI Timing
AC Characteristics - REFIN Inputs
Symbol Characteristics Min. Typ. Max. Unit Condition
1/t
REFP
Input reference Frequency
(LVCMOS Input)
22 180 MHz
1/t
REFP
Input reference Frequency
(Differential Input)
22 864 MHz
t
REFW
Input reference pulse width high
or low
0.15 ns Rise/fall time
of input signal
<=400fs
DC Characteristics - REFIN Inputs
Symbol Characteristics Min. Typ. Max. Unit Condition
V
IH
High-level input voltage 0.7*V
DD
V
V
IL
Low-level input voltage 0.3*V
DD
V
I
IL
Input leakage current -10 10 AV
I
=V
DD
or 0V
V
CM
Differential input common
mode voltage
0V
DD
-2.0 V
V
ID
Differential input voltage
difference
0.25 1.3 V
Specification Name Min. Typ. Max. Units
See
Figure
sck period tcyc 100 ns Both
sck pulse width low tclkl 50 ns Both
sck pulse width high tclkh 50 ns Both
si setup (write) from sck rising trxs 1.7 ns Write
si hold (write) from sck rising trxh 0 ns Write
so delay (read) from sck falling txd 18 ns Read
cs_b setup from sck rising tcss 200 ns Both
cs_b hold from sck falling tcsh 200 ns Both
cs_b to output high impedance tohz 65 ns Write
