Product Details
| Functional Description The CY2309 is a low-cost 3.3-V zero delay buffer designed to distribute high speed clocks and is available in a 16-pin SOIC or TSSOP package. The CY2305 is an 8-pin version of the CY2309. It accepts one reference input, and drives out five low skew clocks. The -1H versions of each device operate at up to 100-/133 MHz frequencies, and have higher drive than the -1 devices. All parts have on-chip PLLs which lock to an input clock on the REF pin. The PLL feedback is on-chip and is obtained from the CLKOUT pad. Features ■ Not recommended for new designs. The CY2305C and CY2309C are form, fit, function compatible devices with improved specifications. ■ 10 MHz to 100/133 MHz operating range, compatible with CPU and PCI bus frequencies ■ Zero input-output propagation delay ■ 60-ps typical cycle-to-cycle jitter (high drive) ■ Multiple low skew outputs ❐ 85 ps typical output-to-output skew ❐ One input drives five outputs (CY2305) ❐ One input drives nine outputs, grouped as 4 + 4 + 1 (CY2309) ■ Compatible with Pentium-based systems ■ Test Mode to bypass phase-locked loop (PLL) (CY2309) ■ Packages: ❐ 8-pin, 150-mil SOIC package (CY2305) ❐ 16-pin 150-mil SOIC or 4.4-mm TSSOP (CY2309) ■ 3.3-V operation ■ Commercial and industrial temperature ranges |
Product Description
| Type# | Description |
| ANSC PART# | ANSC- CY2309SXI-1 |
| Category | Integrated Circuits (ICs) |
| Clock/Timing | |
| Clock Generators, PLLs, Frequency Synthesizers | |
| Manufacturer | Original |
| Series | - |
| Packaging | Bulk |
| Part Status | Active |
| DigiKey Programmable | Not Verified |
| Type | Fanout Buffer (Distribution), Zero Delay Buffer |
| PLL | Yes with Bypass |
| Input | LVCMOS, LVTTL |
| Output | LVCMOS |
| Number of Circuits | 1 |
| Ratio - Input:Output | 1:09 |
| Differential - Input:Output | No/No |
| Frequency - Max | 133.33MHz |
| Divider/Multiplier | No/No |
| Voltage - Supply | 3V ~ 3.6V |
| Operating Temperature | -40°C ~ 85°C |
| Mounting Type | Surface Mount |
| Package / Case | 16-SOIC (0.154", 3.90mm Width) |
| Supplier Device Package | 16-SOIC |
| Base Product Number | CY2309 |
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