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參數(shù)資料
| 型號： | 7C421-40 |
| 廠商： | Cypress Semiconductor Corp. |
| 英文描述： | 256/512/1K/2K/4K x 9 Asynchronous FIFO |
| 中文描述： | 256/512/1K/2K/4K × 9異步FIFO |
| 文件頁數(shù)： | 9/22頁 |
| 文件大?。?/td> | 522K |
| 代理商： | 7C421-40 |
CY7C419/21/25/29/33
Document #: 38-06001 Rev. *A
Page 9 of 22
Notes:
13. EF, HF and FF may change state during retransmit as a result of the offset of the read and write pointers, but flags will be valid at t
RTC
.
14. t
RTC
= t
PRT
+ t
RTR
.
Switching Waveforms
(continued)
Last Write to First Read Full Flag
Last Read to First Write Empty Flag
C420
–
12
C420
–
13
C420
–
14
LAST WRITE
FIRST READ
ADDITIONAL
READS
FIRST WRITE
VALID
LAST READ
FIRST WRITE
ADDITIONAL
WRITES
FIRST READ
VALID
t
REF
t
WEF
t
RTC
t
PRT
t
RTR
t
WFF
t
RFF
t
A
W
R
EF
R
W
FF
DATA OUT
FL/RT
R,W
Retransmit
[13]
[14]
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PDF描述 |
|---|---|
| 7C421-65 | 256/512/1K/2K/4K x 9 Asynchronous FIFO |
| 7C425-10 | 256/512/1K/2K/4K x 9 Asynchronous FIFO |
| 7C425-15 | 256/512/1K/2K/4K x 9 Asynchronous FIFO |
| 7C425-20 | 256/512/1K/2K/4K x 9 Asynchronous FIFO |
| 7C425-25 | 256/512/1K/2K/4K x 9 Asynchronous FIFO |
相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| 7C4215AT | 制造商:Cypress Semiconductor 功能描述: |
| 7C421-65 | 制造商:CYPRESS 制造商全稱:Cypress Semiconductor 功能描述:256/512/1K/2K/4K x 9 Asynchronous FIFO |
| 7C421DT | 制造商:Cypress Semiconductor 功能描述: |
| 7C4241AT | 制造商:Cypress Semiconductor 功能描述: |
| 7C4245AT | 制造商:Cypress Semiconductor 功能描述: |
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