mt48lc32m8a2 Micron Semiconductor Products, mt48lc32m8a2 Datasheet - Page 3

• Manufacturer Part Number: mt48lc32m8a2
• Description: 256mb X8, X16 Sdram Addendum
• Manufacturer: Micron Semiconductor Products

Table 4:
Notes 5, 6, 8, 9, 11; Notes appear in the standard data sheet
NOTE:
09005aef8147ae33
256Mb x8, x16 SDRAM Addendum.fm - Rev. B 7/04 EN
AC CHARACTERISTICS
PARAMETER
Access time from CLK (pos. edge)
Address hold time
Address setup time
CLK high-level width
CLK low-level width
Clock cycle time
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
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 command period
ACTIVE bank a to ACTIVE bank b command
Transition time
WRITE recovery time
Exit SELF REFRESH to ACTIVE command
1. Auto precharge mode only. The precharge timing budget (
WRITE is executed. May not exceed limit set for precharge mode.
Electrical Characteristics and Recommended AC Operating Conditions
1
3
t
RP) begins 6ns for -6A after the first clock delay, after the last
CL = 3
CL = 3
CL = 3
Micron Technology, Inc., reserves the right to change products or specifications without notice.
SYMBOL
t
t
t
t
AC (3)
CK (3)
HZ (3)
t
t
t
t
t
t
t
t
t
CMH
t
t
t
OH
t
t
CKH
CMS
t
t
t
t
RCD
RRD
t
CKS
RAS
RFC
t
XSR
t
REF
WR
OH
AH
CH
DH
AS
DS
RC
CL
RP
t
LZ
T
N
1 CLK +
MIN
6ns
0.8
1.5
2.5
2.5
0.8
1.5
0.8
1.5
0.8
1.5
1.8
0.3
42
60
18
60
18
12
12
67
6
1
3
SDRAM Addendum
-6A
256Mb: x8, x16
120,000
©2004 Micron Technology, Inc. All rights reserved.
MAX
5.4
5.4
1.2
64
UNITS
ms
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
NOTES
SHEET
DATA
STD
27
23
10
28
25
20
7