參數(shù)資料
型號: HYB514800BJ
廠商: SIEMENS AG
英文描述: 512kx8-Bit Dynamic RAM
中文描述: 512kx8位動態(tài)隨機(jī)存儲器
文件頁數(shù): 7/22頁
文件大?。?/td> 211K
代理商: HYB514800BJ
Semiconductor Group
131
RAS to CAS
delay time
11)
t
RCD
20
40
20
50
20
60
ns
RAS to column
address delay
time
12)
t
RAD
15
30
15
35
15
40
ns
CAS to RAS
precharge time
t
CRP
5
5
10
ns
CAS precharge time
t
CP
t
ASR
10
10
10
ns
Row address setup
time
0
0
0
ns
Row address hold
time
t
RAH
10
10
10
ns
Column address
setup time
t
ASC
0
0
0
ns
Column address hold
time
t
CAH
15
15
15
ns
Column address to
RAS lead time
t
RAL
30
35
40
ns
Read command
setup time
t
RCS
0
0
0
ns
Read command hold
time
8)
t
RCH
0
0
0
ns
Read command hold
time ref. to RAS
8)
t
RRH
0
0
0
ns
Write command hold
time
t
WCH
10
15
15
ns
Write command hold
time ref. to RAS
t
WCR
50
55
60
ns
Write command
pulse width
t
WP
10
15
15
ns
Write command to
RAS lead time
t
RWL
20
20
20
ns
Write command to
CAS lead time
Data setup time
9)
t
CWL
20
20
20
ns
t
DS
0
0
0
ns
AC Characteristics
(cont’d)
4)
T
A
= 0 to 70 C;
V
CC
= 5 V
±
10 %;
t
T
= 5 ns
Parameter
Symbol
Limit Values
Unit
-60
-70
-80
min.
max.
min.
max.
min.
max.
HYB 514800BJ -60/-70/-80
512k x 8 DRAM
相關(guān)PDF資料
PDF描述
HYB514800BJ-60 512kx8-Bit Dynamic RAM
HYBRID-1998
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