CY2273A Cypress Semiconductor, CY2273A Datasheet - Page 2

• Manufacturer Part Number: CY2273A
• Description: K6 Clock Synthesizer/Driver
• Manufacturer: Cypress Semiconductor

Pin Configurations
PCICLK_F
SDRAM10
XTALOUT
SDRAM11
PCICLK0
PCICLK2
PCICLK3
PCICLK4
PCICLK5
SDRAM9
SDRAM8
PCICLK1
XTALIN
SDATA
V
V
V
REF0
SCLK
AV
DDQ3
DDQ3
DDQ3
V
V
V
V
DD
SS
SS
SS
SS
CY2273A-1,-4
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
Top View
SSOP
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
SDRAM7/PCI_STOP
V
USBCLK
SEL1
V
CPUCLK0
CPUCLK1
V
CPUCLK2
CPUCLK3
V
SDRAM0
SDRAM1
V
SDRAM2
SDRAM3
V
SDRAM4
SDRAM5/PWR_DWN
V
SDRAM6/CPU_STOP
V
SEL0
MODE
DDQ3
SS
DDCPU
SS
DDQ3
SS
SS
DDQ3
PCICLK_F
SDRAM11
SDRAM10
XTALOUT
PCICLK0
PCICLK2
PCICLK3
SDRAM9
SDRAM8
PCICLK1
XTALIN
SDATA
V
V
V
AGP0
AGP1
REF0
SCLK
AV
DDQ3
DDQ3
DDQ3
V
V
V
V
DD
SS
SS
SS
SS
CY2273A-2
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
Top View
SSOP
2
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
SDRAM7/PCI_STOP
V
USBCLK
SEL1
V
CPUCLK0
CPUCLK1
V
CPUCLK2
CPUCLK3
V
SDRAM0
SDRAM1
V
SDRAM2
SDRAM3
V
SDRAM5/PWR_DWN
SDRAM6/CPU_STOP
V
SEL0
MODE
SDRAM4
V
DDQ3
SS
DDCPU
SS
DDQ3
SS
DDQ3
SS
PCICLK_F
SDRAM10
XTALOUT
SDRAM11
PCICLK0
PCICLK2
PCICLK3
PCICLK4
PCICLK5
SDRAM9
SDRAM8
USBCLK
PCICLK1
XTALIN
SDATA
V
V
V
REF0
AV
DDQ3
DDQ3
DDQ3
V
V
V
V
DD
SS
SS
SS
SS
CY2273A-3
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
Top View
SSOP
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
SDRAM7/PCI_STOP
V
IOAPIC
SEL0
V
CPUCLK0
CPUCLK1
V
CPUCLK2
CPUCLK3
V
SDRAM0
SDRAM1
V
SDRAM2
SDRAM3
V
SDRAM4
SDRAM5/PWR_DWN
V
SDRAM6/CPU_STOP
V
MODE
SCLK
DDQ2
SS
DDCPU
SS
DDQ3
SS
SS
DDQ3
CY2273A