參數(shù)資料
型號: CYD18S72V-100BBC
廠商: CYPRESS SEMICONDUCTOR CORP
元件分類: DRAM
英文描述: FLEx72 3.3V 64K/128K/256K x 72 Synchronous Dual-Port RAM
中文描述: 256K X 72 DUAL-PORT SRAM, 5.2 ns, PBGA484
封裝: 23 X 23 MM, 1 MM, ROHS COMPLIANT, MO-192, FBGA-484
文件頁數(shù): 20/26頁
文件大?。?/td> 470K
代理商: CYD18S72V-100BBC
PRELIMINARY
CYD04S72V
CYD09S72V
CYD18S72V
Document #: 38-06069 Rev. *D
Page 20 of 26
Readback State of Address Counter or Mask Register
[40, 41, 42, 43]
Notes:
40. CE
= OE = BE0 – BE7 = LOW; CE
= R/W = CNTRST = MRST = HIGH.
41. Address in output mode. Host must not be driving address bus after t
CKLZ
in next clock cycle.
42. Address in input mode. Host can drive address bus after t
.
43. An * is the internal value of the address counter (or the mask register depending on the CNT/MSK level) being Read out on the address lines.
Switching Waveforms
(continued)
CNTEN
CLK
t
CH2
t
CL2
t
CYC2
ADDRESS
A
0
–A
17
ADS
A
n
Q
x-2
Q
x-1
Q
n
t
SA
t
HA
t
SAD
t
HAD
t
SCN
t
HCN
LOAD
EXTERNAL
ADDRESS
t
CD2
INTERNAL
ADDRESS
A
n+1
A
n+2
A
n
t
CKHZ
DATA
OUT
A
n*
Q
n+3
Q
n+1
Q
n+2
A
n+3
A
n+4
t
CKLZ
t
CA2
or t
CM2
READBACK
COUNTER
INTERNAL
ADDRESS
INCREMENT
EXTERNAL
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CYD18S72V-100BBI FLEx72 3.3V 64K/128K/256K x 72 Synchronous Dual-Port RAM
CYD18S72V-133BBC FLEx72 3.3V 64K/128K/256K x 72 Synchronous Dual-Port RAM
CYD18S36V FLEx36TM 3.3V 32K/64K/128K/256K/512 x 36 Synchronous Dual-Port RAM(FLEx36TM 3.3V 32K/64K/128K/256K/512 x 36同步雙端口RAM)
CYD02S36V FLEx36TM 3.3V 32K/64K/128K/256K/512 x 36 Synchronous Dual-Port RAM(FLEx36TM 3.3V 32K/64K/128K/256K/512 x 36同步雙端口RAM)
CYD04S36V FLEx36TM 3.3V 32K/64K/128K/256K/512 x 36 Synchronous Dual-Port RAM(FLEx36TM 3.3V 32K/64K/128K/256K/512 x 36同步雙端口RAM)
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CYD18S72V-100BBXC 制造商:CYPRESS 制造商全稱:Cypress Semiconductor 功能描述:FLEx72⑩ 3.3V 64K/128K/256K x 72 Synchronous Dual-Port RAM
CYD18S72V-100BBXI 制造商:CYPRESS 制造商全稱:Cypress Semiconductor 功能描述:FLEx72⑩ 3.3V 64K/128K/256K x 72 Synchronous Dual-Port RAM
CYD18S72V-133BBC 功能描述:靜態(tài)隨機存取存儲器 18M Sync Dual Port 256K x 72 3.3V COM RoHS:否 制造商:Cypress Semiconductor 存儲容量:16 Mbit 組織:1 M x 16 訪問時間:55 ns 電源電壓-最大:3.6 V 電源電壓-最小:2.2 V 最大工作電流:22 uA 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 安裝風格:SMD/SMT 封裝 / 箱體:TSOP-48 封裝:Tray
CYD18S72V-133BBI 功能描述:靜態(tài)隨機存取存儲器 18M (256Kx72) 3.3v 133MHz Synch 靜態(tài)隨機存取存儲器 RoHS:否 制造商:Cypress Semiconductor 存儲容量:16 Mbit 組織:1 M x 16 訪問時間:55 ns 電源電壓-最大:3.6 V 電源電壓-最小:2.2 V 最大工作電流:22 uA 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 安裝風格:SMD/SMT 封裝 / 箱體:TSOP-48 封裝:Tray