參數(shù)資料
型號(hào): HYB514171BJ-50
廠商: SIEMENS A G
元件分類: DRAM
英文描述: 256k x 16-Bit Dynamic RAM
中文描述: 256K X 16 FAST PAGE DRAM, 50 ns, PDSO40
封裝: 0.400 INCH, PLASTIC, SOJ-40
文件頁(yè)數(shù): 7/23頁(yè)
文件大?。?/td> 181K
代理商: HYB514171BJ-50
HYB 514171BJ-50/-60
256k
×
16 DRAM
Semiconductor Group
7
1998-10-01
Column address to RAS lead time
t
RAL
t
RCS
t
RCH
t
RRH
t
CLZ
t
OFF
t
OEZ
t
DZO
t
CDD
t
ODD
25
30
ns
Read command setup time
0
0
ns
Read command hold time
0
0
ns
11
Read command hold time ref. to RAS
0
0
ns
11
CAS to output in low-Z
0
0
ns
8
Output buffer turn-off delay from CAS
0
15
0
20
ns
12
Output buffer turn-off delay from OE
0
15
0
20
ns
12
Data to OE low delay
0
0
ns
13
CAS high to data delay
15
20
ns
14
OE high to data delay
15
-
20
ns
14
Write Cycle
Write command hold time
t
WCH
t
WP
t
WCS
t
RWL
t
CWL
t
DS
t
DH
t
DZC
10
10
ns
Write command pulse width
10
10
ns
Write command setup time
0
0
ns
15
Write command to RAS lead time
15
15
ns
Write command to CAS lead time
15
15
ns
Data setup time
0
0
ns
16
Data hold time
10
15
ns
16
Data to CAS low delay
0
0
ns
13
Read-Modify-Write Cycle
Read-write cycle time
t
RWC
t
RWD
t
CWD
t
AWD
t
OEH
140
160
ns
RAS to WE delay time
75
90
ns
15
CAS to WE delay time
40
45
ns
15
Column address to WE delay time
50
60
ns
15
OE command hold time
15
20
ns
Fast Page Mode Cycle
Fast page mode cycle time
t
PC
35
40
ns
AC Characteristics
(cont’d)
5, 6
T
A
= 0 to 70
°
C;
V
SS
= 0 V;
V
CC
= 5 V
±
10 %,
t
T
= 5 ns
Parameter
Symbol
Limit Values
Unit Note
-50
-60
min.
max.
min.
max.
相關(guān)PDF資料
PDF描述
HYB514171BJ-50- 256k x 16-Bit Dynamic RAM
HYB 514171BJ-60 256k × 16-Bit Dynamic RAM(256k × 16位 動(dòng)態(tài) RAM)
HYB514171BJ-60 256k x 16-Bit Dynamic RAM
HYB 514175BJ-50 256k × 16-Bit Dynamic RAM(256k × 16位 動(dòng)態(tài) RAM)
HYB 514175BJ-55 256k × 16-Bit Dynamic RAM(256k × 16位 動(dòng)態(tài) RAM)
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