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CY2318BNZPVI-11 Datasheet

  • CY2318BNZPVI-11

  • EIGHTEEN DISTRIBUTED-OUTPUT CLOCK DRIVER|SSOP|48PIN|PLASTIC

  • 8頁(yè)

  • ETC

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CY2318BNZ
18 Output, 3.3V SDRAM Buffer for
Desktop PCs with 4 DIMMs
Features
鈥?One input to 18 output buffer/driver
鈥?Supports up to four SDRAM DIMMs
鈥?Two additional outputs for feedback
鈥?SMBus interface for individual output control
鈥?Low skew outputs (< 200 ps)
鈥?Up to 100 MHz operation for Industrial temperatures
鈥?Up to 133 MHz operation for Commercial temperatures
鈥?Dedicated OE pin for testing
鈥?Space-saving 48-pin SSOP package
鈥?3.3V operation
Functional Description
The CY2318BNZ is a 3.3V buffer designed to distribute
high-speed clocks in PC applications. The part has 18 outputs,
16 of which can be used to drive up to four SDRAM DIMMs,
and the remaining can be used for external feedback to a PLL.
The device operates at 3.3V and outputs can run up to 100
MHz, thus making it compatible with Pentium II
廬
processors.
The CY2318BNZ can be used in conjunction with the CY2280,
CY2281, CY2282 or similar clock synthesizer for a complete
Pentium II motherboard solution.
The CY2318BNZ also includes an SMBus interface which can
enable or disable each output clock. On power-up, all output
clocks are enabled (internal pull up). A separate Output Enable
pin facilitates testing on ATE.
Block Diagram
Pin Configuration
SSOP
Top View
BUF_IN
SDRAM0
SDRAM1
SDRAM2
SDRAM3
SDRAM4
SDRAM5
SDRAM6
SDRAM7
SDRAM8
SDRAM9
SDRAM10
SDRAM11
SDRAM12
SDRAM13
SDRAM14
SDRAM15
SDRAM16
SDRAM17
OE
SDATA
SMBus
Decoding
SCLOCK
NC
NC
V
DD
SDRAM0
SDRAM1
V
SS
V
DD
SDRAM2
SDRAM3
V
SS
BUF_IN
V
DD
SDRAM4
SDRAM5
V
SS
V
DD
SDRAM6
SDRAM7
V
SS
V
DD
SDRAM16
V
SS
V
DDIIC
SDATA
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
NC
NC
V
DD
SDRAM15
SDRAM14
V
SS
V
DD
SDRAM13
SDRAM12
V
SS
OE
V
DD
SDRAM11
SDRAM10
V
SS
V
DD
SDRAM9
SDRAM8
V
SS
V
DD
SDRAM17
V
SS
V
SSIIC
SCLOCK
Pentium II is a registered trademark of Intel Corporation.
Cypress Semiconductor Corporation
Document #: 38-07217 Rev. **
鈥?/div>
3901 North First Street
鈥?/div>
San Jose
鈥?/div>
CA 95134 鈥?408-943-2600
Revised December 4, 2001

CY2318BNZPVI-11相關(guān)型號(hào)PDF文件下載

  • 型號(hào)
    版本
    描述
    廠商
    下載
  • 英文版
    Stepper System Controller
    ETC
  • 英文版
    Stepper System Controller
    ETC [ETC]
  • 英文版
    Stepper System Controller
    ETC
  • 英文版
    Stepper System Controller
    ETC [ETC]
  • 英文版
    Phase-Aligned Clock Multiplier
    CYPRESS
  • 英文版
    Phase-Aligned Clock Multiplier
    CYPRESS [C...
  • 英文版
    Frequency Multiplier and Zero Delay Buffer
    CYPRESS
  • 英文版
    Frequency Multiplier and Zero Delay Buffer
    CYPRESS [C...
  • 英文版
    Clocks and Buffers
    ETC
  • 英文版
    Phase-Aligned Clock Multiplier
    CYPRESS
  • 英文版
    3.3V Zero Delay Buffer
    CYPRESS
  • 英文版
    3.3V Zero Delay Buffer
    CYPRESS [C...
  • 英文版
    CY2305 and CY2309 as PCI and SDRAM Buffers
    CYPRESS
  • 英文版
    LOW-COST 3.3V ZERO DELAY BUFFER
    CYPRESS [C...
  • 英文版
    CY2305 and CY2309 as PCI and SDRAM Buffers
    CYPRESS [C...
  • 英文版
    3.3V Zero Delay Buffer
    CYPRESS
  • 英文版
    3.3V Zero Delay Buffer
    CYPRESS [C...
  • 英文版
    CY2305 and CY2309 as PCI and SDRAM Buffers
    CYPRESS
  • 英文版
    LOW-COST 3.3V ZERO DELAY BUFFER
    CYPRESS [C...
  • 英文版
    CY2305 and CY2309 as PCI and SDRAM Buffers
    CYPRESS [C...

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