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CY7C421-30PC The Cypress Semiconductor CY7C421-30PC is an asynchronous FIFO memory with a 512 x 9 bit configuration. It offers a 30ns access time and operates at a 25MHz data rate.
Mfr Part #:

CY7C421-30PC

Available from 1 distributors
Mfr Name: Cypress Semiconductor
Cypress Semiconductor
The Cypress Semiconductor CY7C421-30PC is an asynchronous FIFO memory with a 512 x 9 bit configuration. It offers a 30ns access time and operates at a 25MHz data rate.
✓ Total Stock: 14 pcs
$ Price Range: $1.50

CY7C421-30PC Available from 1 distributor

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Tomark Electronics Ltd ✓
Non-Authorised Inventory information
14 pcs
On Request
14 pcs On Request 1 On Request On Request On Request On Request On Request
DistyParts aggregates offers from multiple distributors. Final prices, lead times and terms are subject to the distributors' discretion and may change without prior notice. DistyParts is not liable for any discrepancies.

CY7C421-30PC Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Access Time
Bus Directional
Current
Data Rate
Expansion Type
FWFT Support
Function
Memory Size
Mounting Type
Operating Temperature
Programmable Flags Support
Retransmit Capability
Supplier Device Package
Voltage
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CY7C421-30PC Description

Short technical summary and product information.

The CY7C421-30PC is a 512-word by 9-bit asynchronous FIFO memory designed for reliable data buffering in digital systems. It offers a fast access time of 30 ns and supports a data rate up to 25 MHz. The device operates from a 4.5V to 5.5V supply and draws 40 mA of current. It supports depth and width expansion for flexible system design. The FIFO is uni-directional and includes retransmit capability, allowing data to be re-read without reinitialization. It is not equipped with first-word fall-through (FWFT) or programmable flags. The device is housed in a through-hole 28-pin DIP package (0.300", 7.62mm) and is intended for commercial temperature range operation (0°C to 70°C). It is suitable for applications requiring asynchronous data transfer between different clock domains.

CY7C421-30PC Quick Information

Product Type: FIFO Memory
Series: CY7C
Canonical Name: CY7C421-30PC Asynchronous FIFO
Subcategory: Asynchronous FIFO

CY7C421-30PC Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

CY7C421-30PC Estimated Pricing

Qty Low High
1+ $1.50 $1.50

Estimated market price range - modelled values for guidance only, not live distributor offers.

CY7C421-30PC Features

  • 512 x 9 asynchronous FIFO memory.
  • 30 ns access time, 25 MHz data rate.
  • Operates from 4.5V to 5.5V supply.
  • Supports depth and width expansion.
  • Retransmit capability for data re-reading.

CY7C421-30PC Applications

  • Buffering data between asynchronous clock domains.
  • Temporary storage in digital systems.
  • Data rate matching in communication interfaces.
  • Depth expansion for larger FIFO configurations.
  • Retransmit applications requiring data re-read.

CY7C421-30PC FAQs

7 frequently asked questions generated from this part’s specifications.
What is the memory organization of the CY7C421-30PC?

512 x 9 bits.

What is the access time?

30 ns.

What is the data rate?

25 MHz.

What is the supply voltage range?

4.5 V to 5.5 V.

What is the operating temperature range?

0°C to 70°C.

What package type is the device available in?

28-DIP (0.300", 7.62mm) through-hole.

Does the device support retransmit capability?

Yes.

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