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| 型號： | MT48V16M16LFFG |
| 廠商： | Micron Technology, Inc. |
| 英文描述： | MOBILE SDRAM |
| 中文描述： | 移動SDRAM |
| 文件頁數(shù)： | 34/58頁 |
| 文件大小： | 1451K |
| 代理商： | MT48V16M16LFFG |
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34
256Mb: x16 Mobile SDRAM
MobileRamY26L_A.p65 – Pub. 5/02
Micron Technology, Inc., reserves the right to change products or specifications without notice.
2002, Micron Technology, Inc.
256Mb: x16
MOBILE SDRAM
ADVANCE
CAPACITANCE
(Note: 2; notes appear on page 37)
PARAMETER
Input Capacitance: CLK
Input Capacitance: All other input-only pins
Input/Output Capacitance: DQs
SYMBOL
C
I
1
C
I
2
C
IO
MIN
1.5
1.5
3.0
MAX
3.0
3.3
5.0
UNITS NOTES
pF
pF
pF
29
30
31
ELECTRICAL CHARACTERISTICS AND RECOMMENDED AC OPERATING CONDITIONS
(Notes: 5, 6, 8, 9, 11; notes appear on page 37)
AC CHARACTERISTICS
PARAMETER
Access time from CLK (pos. edge)
-8
-10
SYMBOL MIN
t
AC(3)
t
AC(2)
t
AC(1)
t
AH
t
AS
t
CH
t
CL
t
CK(3)
t
CK(2)
t
CK(1)
t
CKH
t
CKS
t
CMH
t
CMS
t
DH
t
DS
t
HZ(3)
t
HZ(2)
t
HZ(1)
t
LZ
t
OH
t
OH
N
t
RAS
t
RC
t
RCD
t
REF
t
RFC
t
RP
t
RRD
t
T
t
WR
MAX
MIN
MAX UNITS NOTES
7
ns
8
ns
22
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
7
ns
8
ns
22
ns
ns
ns
ns
120,000
ns
ns
ns
64
ms
ns
ns
ns
1.2
ns
ns
CL = 3
CL = 2
CL = 1
7
8
19
27
Address hold time
Address setup time
CLK high-level width
CLK low-level width
Clock cycle time
1
2.5
3
3
8
10
20
1
2.5
1
2.5
1
2.5
1
2.5
3
3
10
12
25
1
2.5
1
2.5
1
2.5
D
D
23
23
CL = 3
CL = 2
CL = 1
CKE hold time
CKE setup time
CS#, RAS#, CAS#, WE#, DQM hold time
CS#, RAS#, CAS#, WE#, DQM setup time
Data-in hold time
Data-in setup time
Data-out high-impedance time
CL = 3
CL = 2
CL = 1
7
8
19
10
10
Data-out low-impedance time
Data-out hold time (load)
Data-out hold time (no load)
ACTIVE to PRECHARGE command
ACTIVE to ACTIVE command period
ACTIVE to READ or WRITE delay
Refresh period (8,192 rows)
AUTO REFRESH period
PRECHARGE cmd period
ACTIVE bank a to bank b command
Transition time
WRITE recovery time
1
2.5
1.8
48
80
20
1
2.5
1.8
50
100
20
28
D
D,E
D
120,000
64
80
20
20
0.5
100
20
20
0.5
1CLK+
5ns
15
100
D,E
D
1.2
7
24
D,E
25,D
E
1CLK+
7ns
15
80
Exit SELF REFRESH to ACTIVE command
t
XSR
ns
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