參數(shù)資料
型號: CY7C4225V-25ASC
廠商: CYPRESS SEMICONDUCTOR CORP
元件分類: DRAM
英文描述: OSC 5V SMT 7X5 CMOS PROGRM
中文描述: 1K X 18 OTHER FIFO, 15 ns, PQFP64
封裝: 10 X 10 MM, 1.40 MM HEIGHT, PLASTIC, STQFP-64
文件頁數(shù): 13/25頁
文件大?。?/td> 409K
代理商: CY7C4225V-25ASC
CY7C4425/4205/4215
CY7C4225/4235/4245
13
Notes:
32. Read from Last Physical Location.
33. Clocks are free running in this case.
34. The flags may change state during Retransmit as a result of the offset of the read and write pointers, but flags will be valid at t
RTR
.
35. For the synchronous PAE and PAF flags (SMODE), an appropriate clock cycle is necessary after t
RTR
to update these flags.
Switching Waveforms
(continued)
Read Expansion Out Timing
REN
WCLK
RXO
t
CLKH
t
ENS
Note
t
XO
t
XO
42X5–20
32
Write Expansion InTiming
WCLK
WXI
t
XI
t
XIS
42X5–21
Read Expansion In Timing
RCLK
RXI
t
XI
t
XIS
42X5–22
Retransmit Timing
REN/WEN
FL/RT
t
PRT
t
RTR
42X5–23
EF/FF
and all
async flags
HF/PAE/PAF
[33, 34, 35]
相關PDF資料
PDF描述
CY7C4425V-35ASC OSC 5V SMT 7X5 CMOS PROGRM
CY7C4225V-35ASC OSC 5V SMT 7X5 CMOS PROGRM
CY7C4235V-15ASC 64/256/512/1K/2K/4K x18 Low-Voltage Synchronous FIFOs
CY7C4235V-25ASC 64/256/512/1K/2K/4K x18 Low-Voltage Synchronous FIFOs
CY7C4235V-35ASC 64/256/512/1K/2K/4K x18 Low-Voltage Synchronous FIFOs
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