cy2546 Cypress Semiconductor Corporation., cy2546 Datasheet - Page 2

• Manufacturer Part Number: cy2546
• Description: Quad Pll Programmable Clock Generator With Spread Spectrum
• Manufacturer: Cypress Semiconductor Corporation.

Document #: 001-12563 Rev. *A
Pin Description - CY2544 (2.5V, 3.0V or 3.3V VDD)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
VDD_CLK_B1
Pin Configuration
Pin Number
PD#OE
CLK2
CLK1
GND
NC
1
2
3
4
5
6
24
7
GND
CLK1
VDD_CLK_B1
PD#/OE
NC
CLK2
GND
CLK3/FS0
PD#/OE/FS1
CLK4/FS2
CLK5
GND
CLK6
VDD_CLK_B2
CLK7/SSON
VDD_CLK_B3
CLK8
GND
23
8
24LD QFN
Name
CY2544
22
9
21
10
20
11
Power
Output
Power
Input
NC
Output
Power
Output/Input
Input
Output/Input
Output
Power
Output
Power
Output/Input
Power
Output
Power
19
12
18
17
16
15
14
13
I/O
PRELIMINARY
GND
CLK8
VDD_CLK_B3
CLK7/SSON
VDD_CLK_B2
CLK6
Power Supply Ground for Core
Programmable Output Clock
2.5V/3.0V/3.3V Power Supply for Output Bank1 (CLK1, CLK2,
CLK3) output
Power Down or Output Enable
No Connect
Programmable Output Clock
Power Supply Ground for Output Bank 1
Multifunction Programmable pin,CLK3 Output Clock or Frequency
Select pin FS0
Multifunction Programmable pin, Power Down, Output Enable or
Frequency Select pin FS1
Multifunction Programmable pin, CLK4 Output or Frequency Select
input pin FS2
Programmable Output Clock
Power Supply Ground for Output Bank 2
Programmable Output Clock
2.5V/3.0V/3.3V Power Supply for Output Bank2 (CLK4, CLK5,
CLK6) output
Multifunction Programmable pin, CLK7 Output or SSON input
2.5V/3.0V/3.3V Power Supply for Output Bank3 (CLK7, CLK8,
CLK9) output
Programmable Output Clock
Power Supply Ground for Output Bank 3
VDD_CLK_B1
VDD_CORE
PD#OE
CLK2
CLK1
GND
1
2
3
4
5
6
24
7
23
Description
8
24LD QFN
CY2546
22
9
21
10
20
11
19
12
18
17
16
15
14
13
CY2546
CY2544
Page 2 of 11
GND
CLK8
VDD_CLK_B3
CLK7/SSON
VDD_CLK_B2
CLK6
[+] Feedback