參數(shù)資料
型號(hào)： CY7C453
廠商： Cypress Semiconductor Corp.
英文描述： 2Kx9 Cascadable Clocked FIFOs with Programmable Flags(帶可編程標(biāo)記的2Kx9可級(jí)聯(lián)定時(shí)的先進(jìn)先出)
中文描述： 2Kx9級(jí)聯(lián)與時(shí)鐘FIFO的可編程標(biāo)志（帶可編程標(biāo)記的2Kx9可級(jí)聯(lián)定時(shí)的先進(jìn)先出）
文件頁數(shù)： 12/23頁
文件大?。?/td> 437K
代理商： CY7C453
CY7C451
CY7C453
CY7C454
12
PRELIMINARY
Notes:
34. W2 updates the flag to the Almost Full state by asserting PAFE. Because R1 occurs greater than t
SKEW1
after W2, W2 does not recognize R1 when
updating the flag status. W3 includes R2 in the flag update because R2 occurs greater than t
SKEW2
enabled to update flags.
35. The dashed lines show W3 as a flag update write rather than an enabled write because ENW is deasserted.
Switching Waveforms
(continued)
Write to Almost Full Timing Diagram
COUNT
2030
2031
2031
2032
2031
[495]
t
FD
t
FD
t
FD
EWRITE
EWRITE
FLAG UPDATE
EWRITE
EWRITE
2032
2031
2030
[494]
2033
2032
[496]
EWRITE
2030
W1
W2
W3
W4
EREAD
EREAD
R1
R2
t
SKEW1
t
SKEW2
t
FD
LOW
HIGH
CKW
ENW
HF
PAFE
CKR
ENR
E/F
Write to Almost Full Timing Diagram with Free-Running Clocks
COUNT
2031
[495]
2032
[496]
2030
[494]
2032
[496]
t
SKEW1
t
SKEW2
t
FD
t
FD
t
FD
EWRITE
EWRITE
EWRITE
EWRITE
EREAD
EREAD
2031
[495]
2031
[495]
2033
[497]
C451-17
CKW
CKR
ENW
ENR
PAFE
HF
E/F
C451-18
HIGH
LOW
W5
W1
W2
W3
W4
W5
W6
R2
R3
R6
R5
R4
R1
[21,26,29,34,35]
[
21,26,29]
相關(guān)PDF資料
PDF描述
CY7C451 512x9 Cascadable Clocked FIFOs with Programmable Flags(帶可編程標(biāo)記的512x9可級(jí)聯(lián)定時(shí)的先進(jìn)先出)
CY7C454 4Kx9 Cascadable Clocked FIFOs with Programmable Flags(帶可編程標(biāo)記的4Kx9可級(jí)聯(lián)定時(shí)的先進(jìn)先出)
CY7C466A Asynchronous, Cascadable 64K x9 FIFOs(異步，可級(jí)聯(lián)的 64K x9 先進(jìn)先出)
CY7C460A Asynchronous, Cascadable 8K/16K/32K/64K x9 FIFOs
CY7C460A-10JC Asynchronous, Cascadable 8K/16K/32K/64K x9 FIFOs
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
CY7C453 WAF 制造商:Cypress Semiconductor 功能描述:
CY7C453-14JI 制造商:Cypress Semiconductor 功能描述:
CY7C453-20JC 制造商:Cypress Semiconductor 功能描述:FIFO Mem Sync Dual Depth/Width Uni-Dir 2K x 9 32-Pin PLCC 制造商:Cypress Semiconductor 功能描述:FIFO, 2K x 9, Synchronous, 32 Pin, Plastic, PLCC
CY7C454-14LMB 制造商:Cypress Semiconductor 功能描述:512X9, 2KX9, AND 4KX9 CASCADABLE CLOCKED FIFOS WITH PROGRAMMABLE
CY7C455-14JC 制造商:Cypress Semiconductor 功能描述:FIFO Mem Sync Dual Depth/Width Uni-Dir 512 x 18 52-Pin PLCC
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