MT48LC4M32LFFF View Datasheet(PDF) - Micron Technology
Part Name
Description
MFG CO.
'MT48LC4M32LFFF' PDF : 61 Pages View PDF
ADVANCE
128Mb: x16, x32
MOBILE SDRAM
AC ELECTRICAL CHARACTERISTICS AND OPERATING CONDITIONS
(VDD = +3.3V ±0.3V or 2.5 ±0.2V, VDDQ = +3.3V ±0.3V or +2.5V ±0.2V or +1.8V ±0.15V )
PARAMETER/CONDITION
Input High Voltage: Logic 1; All inputs
Input Low Voltage: Logic 0; All inputs
SYMBOL
VIH
VIL
MIN
1.4
–
MAX
–
0.4
UNITS NOTES
V
V
ELECTRICAL CHARACTERISTICS AND RECOMMENDED AC OPERATING CONDITIONS
(Notes: 5, 6, 8, 9, 11; notes appear on page 39)
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 (4,096 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
-8
-10
SYMBOL
CL = 3 tAC (3)
CL = 2 tAC (2)
CL = 1 tAC (1)
tAH
MIN
1
MAX
7
8
19
MIN
1
MAX
7
8
22
UNITS
ns
ns
ns
ns
tAS
2.5
2.5
ns
tCH
3
3
ns
tCL
3
3
ns
CL = 3 tCK (3) 8
10
ns
CL = 2 tCK (2) 10
12
ns
CL = 1 tCK (1) 20
25
ns
tCKH
1
1
ns
tCKS
2.5
2.5
ns
tCMH
1
1
ns
tCMS 2.5
2.5
ns
CL = 3
CL = 2
CL = 1
tDH
tDS
tHZ (3)
tHZ (2)
tHZ (1)
tLZ
tOH
tOHN
tRAS
tRC
tRCD
1
1
ns
2.5
2.5
ns
7
7
ns
8
8
ns
19
22
ns
1
1
ns
2.5
2.5
ns
1.8
1.8
ns
48 120,000 50 120,000 ns
80
100
ns
20
20
ns
tREF
64
64
ms
tRFC
80
100
ns
tRP
20
20
ns
tRRD
20
20
ns
tT
0.5
1.2 0.5
1.2
ns
tWR 1 CLK +
1 CLK +
–
7ns
5ns
NOTES
27
23
23
23
10
10
10
28
7
24
15
15
ns
25
tXSR
80
100
ns
20
128Mb: x16, x32 Mobile SDRAM
MobileY95W_3V_F.p65 – Rev. F; Pub. 9/02
36
Micron Technology, Inc., reserves the right to change products or specifications without notice.
©2002, Micron Technology, Inc.
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