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X28C64S-15 参数 Datasheet PDF下载

X28C64S-15图片预览
型号: X28C64S-15
PDF下载: 下载PDF文件 查看货源
内容描述: 5伏,可变的字节E2PROM [5 Volt, Byte Alterable E2PROM]
分类和应用: 存储内存集成电路光电二极管可编程只读存储器电动程控只读存储器电可擦编程只读存储器
文件页数/大小: 25 页 / 112 K
品牌: XICOR [ XICOR INC. ]
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X28C64  
WRITE CYCLE LIMITS  
Symbol  
(7)  
(1)  
Parameter  
Min.  
Typ.  
Max.  
Units  
(5)  
tWC  
Write Cycle Time  
Address Setup Time  
Address Hold Time  
Write Setup Time  
Write Hold Time  
CE Pulse Width  
OE HIGH Setup Time  
OE HIGH Hold Time  
WE Pulse Width  
WE HIGH Recovery  
SDP WE Recovery  
Data Valid  
5
10  
ms  
ns  
ns  
ns  
ns  
ns  
ns  
ns  
ns  
ns  
µs  
µs  
ns  
ns  
µs  
tAS  
0
tAH  
100  
0
tCS  
tCH  
0
tCW  
tOES  
tOEH  
tWP  
tWPH  
100  
10  
10  
100  
200  
1
(6)  
tWPH2  
tDV  
tDS  
tDH  
tDW  
1
Data Setup  
50  
10  
10  
1
Data Hold  
Delay to Next Write  
Byte Load Cycle  
(7)  
tBLC  
100  
µs  
3853 PGM T11.1  
WE Controlled Write Cycle  
t
WC  
ADDRESS  
t
t
AH  
AS  
t
t
CS  
CH  
CE  
OE  
t
t
OES  
t
OEH  
t
WP  
WE  
DV  
DATA IN  
DATA OUT  
DATA VALID  
DS  
t
t
DH  
HIGH Z  
3853 FHD F06  
Notes: (5) t  
is the minimum cycle time to be allowed from the system perspective unless polling techniques are used. It is the maximum  
WC  
time the device requires to automatically complete the internal write operation.  
(6) t  
is the normal page write operation WE recovery time. t  
is the WE recovery time needed only after the end of issuing  
WPH  
WPH2  
the three-byte SDP command sequence and before writing the first byte of data to the array. Refer to Figure 6 which illustrates  
the t requirement.  
WPH2  
(7) For faster t  
and t  
times, refer to X28HC64.  
WC  
BLC  
13