The 57401AW/883B is a 64-word by 4-bit asynchronous FIFO in a 20-lead ceramic flatpack (20-CFlatpack). It buffers data across clock domains or bus-width mismatches where the read and write sides run independently — no common clock needed. The 10 MHz data rate and 65 ns access time suit moderate-speed data acquisition, telemetry, or control-logic handshaking in systems that need a small, fast elastic store. This is a width-expansion FIFO — you cascade multiple devices to increase word width, not depth. No FWFT (First-Word Fall-Through) or programmable flags; the flag logic is basic empty/full with retransmit capability absent. The part is unidirectional: data flows one way.
Technical Documents
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RoHS Compliant · Lead-Free
EIA-481 Standard
57401AW/883B FIFO, 64x4, Asynchronous, 10MHz, -55°C~125°C
MPN 57401AW/883B
End of Life
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100% Original Sealed
57401AW/883B, Asynchronous FIFO, 64 x 4, 65 ns access time, 10 MHz data rate, 4.5 V ~ 5.5 V supply, -55°C to 125°C, 20-CFlatpack, Bulk.
In Stock: 1,028 pcs
MOQ: 1 pcs
Logistics: DHL / FedEx DAP (Global Express · 3-7d)
Russia & CIS DDP (Door-to-Door Cleared)
Dispatch: Shenzhen / HK
Unit Price (USD)
$79.54 / pc
Direct Purchase Ready
Volume Pricing Breaks Confirmed upon quotation
1+ pcs
$79.54
10+ pcs
$71.59
30+ pcs
$65.22
100+ pcs
$58.86
500+ pcs
$54.88
1,000+ pcs
$51.70
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[SPEC] Essential Parameters Snapshot Full Specifications (14)
Package / Case 20-CFlatpack
Supply Voltage 4.5 V ~ 5.5 V
Memory / RAM 64 x 4
Full Technical Specifications
14 Parameters| Parameter / Attribute | Specification / Value |
|---|---|
| Mounting | Surface Mount |
| Expansion type | Width |
| Supply voltage | 4.5 V ~ 5.5 V |
| Current - supply | 180mA |
| Operating temperature | -55°C ~ 125°C |
| Package | Bulk |
| Function | Asynchronous |
| Data rate | 10MHz |
| Memory size | 64 x 4 |
| FWFT support | No |
| Case | 20-CFlatpack |
| Bus directional | Uni-Directional |
| Retransmit capability | No |
| Programmable flags support | No |
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Technical Details & Description
Frequently asked questions
What is the difference between synchronous and asynchronous FIFO?
An asynchronous FIFO like the 57401AW/883B uses separate read and write clocks that run independently; a synchronous FIFO uses a single clock for both read and write operations.
57401AW/883B
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