CY29973 Cypress Semiconductor, CY29973 Datasheet - Page 2

• Manufacturer Part Number: CY29973
• Description: 3.3V 125-MHz Multi-Output Zero Delay Buffer
• Manufacturer: Cypress Semiconductor

Pinouts
Document #: 38-07291 Rev. *C
Logic Block Diagram
FB_SEL(0,1)
PECL_CLK#
PECL_CLK
TCLK_SEL
VCO_SEL
SELA(0,1)
SELB(0,1)
SELC(0,1)
REF_SEL
FB_SEL2
INV_CLK
MR#/OE
PLL_EN
SDATA
TCLK0
TCLK1
FB_IN
SCLK
PECL_CLK#
PECL_CLK
TCLK_SEL
REF_SEL
FB_SEL2
MR#/OE
PLL_EN
Power-On
SDATA
TCLK0
TCLK1
SCLK
Reset
0
1
VDD
VSS
1
2
3
4
5
6
7
8
9
10
11
12
13
52 51 50 49 48 47 46 45 44 43 42 41 40
14 15 16 17 18 19 20 21 22 23 24 25 26
2
2
2
2
Detector
Phase
Output Disable
CY29973
Data Generator
Circuitry
/4, /6, /8, /12
/4, /6, /8, /10
/4, /6, /8, /10
/2, /4, /6, /8
Sync Pulse
LPF
VCO
12
0
1
/2
0
1
39
38
37
36
35
34
33
32
31
30
29
28
27
VSS
QB0
VDDC
QB1
VSS
QB2
VDDC
QB3
FB_IN
VSS
FB_OUT
VDDC
FB_SEL0
D Q
D Q
D Q
D Q
D Q
D Q
Sync
Sync
Sync
Sync
Sync
Sync
Frz
Frz
Frz
Frz
Frz
Frz
QA0
QA1
QA2
QA3
QB0
QB1
QB2
QB3
QC0
QC1
QC2
QC3
FB_OUT
SYNC
CY29973
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