參數(shù)資料
型號(hào): KM44C16104B
廠商: SAMSUNG SEMICONDUCTOR CO. LTD.
英文描述: 16M x 4Bit CMOS Dynamic RAM with Extended Data Out(16M x 4位 CMOS 動(dòng)態(tài)RAM(帶擴(kuò)展數(shù)據(jù)輸出))
中文描述: 16米x 4位的擴(kuò)展數(shù)據(jù)輸出的CMOS動(dòng)態(tài)RAM(1,600 × 4位的CMOS動(dòng)態(tài)隨機(jī)存儲(chǔ)器(帶擴(kuò)展數(shù)據(jù)輸出))
文件頁數(shù): 5/21頁
文件大小: 366K
代理商: KM44C16104B
KM44C16004B,
KM44C16104B
CMOS DRAM
CAPACITANCE
(T
A
=25
°
C, V
CC
=5.0V, f=1MHz)
Parameter
Symbol
Min
Max
Units
Input capacitance [A0 ~ A12]
C
IN1
-
5
pF
Input capacitance [RAS, CAS, W, OE]
C
IN2
-
7
pF
Output capacitance [DQ0 - DQ3]
C
DQ
-
7
pF
AC CHARACTERISTICS
(0
°
C
T
A
70
°
C, See note 1,2)
Test condition : V
CC
=5.0V
±
10%, Vih/Vil=2.4/0.8V, Voh/Vol=2.0/0.8V
Parameter
Symbol
-45
-5
-6
Units
Note
Min
Max
Min
Max
Min
Max
Random read or write cycle time
t
RC
74
84
104
ns
Read-modify-write cycle time
t
RWC
t
RAC
101
116
138
ns
Access time from RAS
45
50
60
ns
3,4,10
Access time from CAS
t
CAC
t
AA
12
13
15
ns
3,4,5
Access time from column address
23
25
30
ns
3,10
CAS to output in Low-Z
t
CLZ
t
CEZ
3
3
3
ns
3
Output buffer turn-off delay from CAS
3
13
3
13
3
13
ns
6,14
OE to output in Low-Z
t
OLZ
t
T
3
3
3
ns
3
Transition time (rise and fall)
1
50
1
50
1
50
ns
2
RAS precharge time
t
RP
t
RAS
25
30
40
ns
RAS pulse width
45
10K
50
10K
60
10K
ns
RAS hold time
t
RSH
t
CSH
8
13
15
ns
CAS hold time
35
38
45
ns
CAS pulse width
t
CAS
t
RCD
7
5K
8
10K
10
10K
ns
RAS to CAS delay time
11
33
20
37
20
45
ns
4
RAS to column address delay time
t
RAD
t
CRP
9
22
15
25
15
30
ns
10
CAS to RAS precharge time
5
5
5
ns
Row address set-up time
t
ASR
t
RAH
0
0
0
ns
Row address hold time
7
10
10
ns
Column address set-up time
t
ASC
t
CAH
0
0
0
ns
Column address hold time
7
8
10
ns
Column address to RAS lead time
t
RAL
t
RCS
23
25
30
ns
Read command set-up time
0
0
0
ns
8
Read command hold time referenced to CAS
t
RCH
t
RRH
0
0
0
ns
8
Read command hold time referenced to RAS
0
0
0
ns
Write command hold time
t
WCH
t
WP
7
10
10
ns
Write command pulse width
6
10
10
ns
Write command to RAS lead time
t
RWL
t
CWL
8
13
10
ns
Write command to CAS lead time
7
8
10
ns
Data set-up time
t
DS
0
0
0
ns
9
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