CY29940AXI vs CY29942AXI

Part Number	CY29940AXI	CY29942AXI
Category	Clock/Timing - Clock Buffers, Drivers	Clock/Timing - Clock Buffers, Drivers
Manufacturer	Cypress Semiconductor Corp	Cypress Semiconductor Corp
Description	IC CLK BUFFER 1:18 200MHZ 32TQFP	IC CLK BUFFER 1:18 200MHZ 32TQFP
Package	32-LQFP	Tape & Reel (TR)
Series	-	-
Type	Fanout Buffer (Distribution), Multiplexer	Fanout Buffer (Distribution)
Voltage - Supply	2.375 V ~ 3.465 V	2.375V ~ 3.465V
Operating Temperature	-40°C ~ 85°C	-40°C ~ 85°C
Mounting Type	Surface Mount	Surface Mount
Package / Case	32-LQFP	32-LQFP
Supplier Device Package	32-TQFP (7x7)	32-TQFP (7x7)
Output	LVCMOS, LVTTL	LVCMOS, LVTTL
Frequency - Max	200MHz	200 MHz
Number of Circuits	1	1
Input	LVCMOS, LVPECL, LVTTL	LVCMOS, LVTTL
Ratio - Input:Output	1:18	1:18
Differential - Input:Output	Yes/No	No/No

1. What are clock buffers and drivers?

Clock buffers and drivers are electronic components used for distributing and enhancing clock signals. The clock buffer is used to replicate clock signals and distribute them to multiple outputs, while the driver enhances the signal strength to drive higher loads or longer transmission distances.
2. What are the main applications of clock buffers?

Clock buffers are widely used in systems that require the distribution of clock signals to multiple devices, such as computer motherboards, servers, communication equipment, data centers, and industrial control systems, to ensure synchronized operation of all devices.
3. Does the clock driver support differential signals?

Yes, many clock drivers support differential signaling, such as LVDS, CML, and HCSL, which can provide higher anti-interference capabilities, especially in high-speed signal transmission applications.
4. How do clock buffers and drivers help with timing design?

Clock buffers and drivers ensure that multiple components in the system can work synchronously at precise time points by providing stable, low jitter clock signals, thereby optimizing timing design, especially in high-performance computing and communication systems.