參數(shù)資料
型號: ML674000
廠商: OKI SEMICONDUCTOR CO., LTD.
英文描述: CMOS 32-Bit ARM-Based General-Purpose Single-Chip Microcontroller(基于ARM的32位CMOS單片機(jī))
中文描述: 的CMOS 32位基于ARM通用單芯片微控制器(基于ARM公司的32位的CMOS單片機(jī))
文件頁數(shù): 23/42頁
文件大小: 529K
代理商: ML674000
PEDL674000-02
OKI Semiconductor
ML674000
21/38
SRAM/ROM
Parameter
Symbol
Condition
Min.
Typ.
Max.
Unit
Note
XOE_N Delay Time (SRAM/ROM)
t
OED
-3
Tc
XWE_N Delay Time (SRAM/ROM)
t
WED
0.5Tc
1.5Tc+ 3
XBWE_N[1:0] Delay Time
(SRAM/ROM)
t
WELHD
0.5Tc- 3
1.5Tc
XBWE_N[1:0] Hold Time
(SRAM/ROM)
t
WELHH
-3
0
n
8
=
(OE/WE
Pulse Width)
n
9
=
(Off Time)
XOE_N, XWE_N Pulse Width
(SRAM/ROM)
t
OE/WEW
n
8
Tc
n
8
Tc + 3
XBS_N[1:0] Delay Time (SRAM/ROM)
t
BSBD
0
3
XBS_N[1:0] Output Hold Time 1
(SRAM/ROM)
t
BSBH1
-3
XBS_N[1:0] Output Hold Time 2
(SRAM/ROM)
t
BSBH2
CL = 5 pF
0.5Tc - 3
XA[23:0] Delay Time (SRAM/ROM)
t
XAD
-3
6
XA[23:0] Output Hold Time 1
(SRAM/ROM)
t
XAH1
-3
XA[23:0] Output Hold Time 2
(SRAM/ROM)
t
XAH2
CL = 25 pF
0.5Tc - 3
XD[15:0] Input Setup Time
(SRAM/ROM)
XD[15:0] Input Hold Time
(SRAM/ROM)
XD[15:0] Output Delay Time
(SRAM/ROM)
t
XDIS
21
t
XDIH
n
9
Tc- 3
t
XDOD
0
9
XD[15:0] Output Hold Time
(SRAM/ROM)
t
XDOH
CL = 20 pF
0.5Tc - 3
XROMCS_N,XRAMCS_N
Output Hold Time 1 (SRAM/ROM)
t
CSH1
-3
XROMCS_N,XRAMCS_N
Output Hold Time 2 (SRAM/ROM)
t
CSH2
CL = 5 pF
0.5Tc -3
ns
NOTES
*The OE/WE Pulse Width and Off time for SRAM/ROM are parameters which can be set in RAMAC/ROMAC register.
Refer to the following Table in detail.
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