CY23S09, CY23S05
Document Number: 38-07296 Rev. *D
Page 3 of 9
Pin Description for CY23S09
Pin
Signal
Description
1REF[2]
Input reference frequency, 5V tolerant input
2
CLKA1[3]
Buffered clock output, bank A
3
CLKA2[3]
Buffered clock output, bank A
4VDD
3.3V supply
5
GND
Ground
6
CLKB1[3]
Buffered clock output, bank B
7
CLKB2[3]
Buffered clock output, bank B
8S2[4]
Select input, bit 2
9S1[4]
Select input, bit 1
10
CLKB3[3]
Buffered clock output, bank B
11
CLKB4[3]
Buffered clock output, bank B
12
GND
Ground
13
VDD
3.3V supply
14
CLKA3[3]
Buffered clock output, bank A
15
CLKA4[3]
Buffered clock output, bank A
16
CLKOUT[3]
Buffered output, internal feedback on this pin
Pin Description for CY23S05
Pin
Signal
Description
1REF[2]
Input reference frequency, 5V tolerant input
2CLK2[3]
Buffered clock output
3CLK1[3]
Buffered clock output
4
GND
Ground
5CLK3[3]
Buffered clock output
6VDD
3.3V supply
7CLK4[3]
Buffered clock output
8
CLKOUT[3]
Buffered clock output, internal feedback on this pin
Notes
2. Weak pull-down.
3. Weak pull-down on all outputs.
4. Weak pull-up on these inputs.
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