K4M281633F-BL1L [SAMSUNG]
Synchronous DRAM, 8MX16, 7ns, CMOS, PBGA54;型号: | K4M281633F-BL1L |
厂家: | SAMSUNG |
描述: | Synchronous DRAM, 8MX16, 7ns, CMOS, PBGA54 动态存储器 |
文件: | 总12页 (文件大小:102K) |
中文: | 中文翻译 | 下载: | 下载PDF数据表文档文件 |
K4M281633F - R(B)E/N/G/C/L/F
Mobile-SDRAM
2M x 16Bit x 4 Banks Mobile SDRAM in 54CSP
FEATURES
GENERAL DESCRIPTION
• 3.0V & 3.3V power supply.
The K4M281633F is 134,217,728 bits synchronous high data
rate Dynamic RAM organized as 4 x 2,097,152 words by 16 bits,
fabricated with SAMSUNG’ s high performance CMOS technol-
ogy. Synchronous design allows precise cycle control with the
use of system clock and I/O transactions are possible on every
clock cycle. Range of operating frequencies, programmable
burst lengths and programmable latencies allow the same
device to be useful for a variety of high bandwidth and high per-
formance memory system applications.
• LVCMOS compatible with multiplexed address.
• Four banks operation.
• MRS cycle with address key programs.
-. CAS latency (1, 2 & 3).
-. Burst length (1, 2, 4, 8 & Full page).
-. Burst type (Sequential & Interleave).
• EMRS cycle with address key programs.
• All inputs are sampled at the positive going edge of the system
clock.
• Burst read single-bit write operation.
• Special Function Support.
-. PASR (Partial Array Self Refresh).
-. Internal TCSR (Temperature Compensated Self Refresh)
-. DS (Driver Strength)
• DQM for masking.
• Auto refresh.
• 64ms refresh period (4K cycle).
• Commercial Temperature Operation (-25°C ~ 70°C).
• Extended Temperature Operation (-25°C ~ 85°C).
• 54Balls CSP with 0.8mm ball pitch( -RXXX -Pb, -BXXX -Pb Free).
ORDERING INFORMATION
Part No.
Max Freq.
Interface
Package
K4M281633F-R(B)E/N/G/C/L/F75
K4M281633F-R(B)E/N/G/C/L/F1H
K4M281633F-R(B)E/N/G/C/L/F1L
133MHz(CL=3)
105MHz(CL=2)
54 CSP Pb
(Pb Free)
LVCMOS
*1
105MHz(CL=3)
- R(B)E/N/G : Normal / Low / Low Power, Extended Temperature(-25°C ~ 85°C)
- R(B)C/L/F : Normal / Low / Low Power, Commercial Temperature(-25°C ~ 70°C)
NOTES :
1. In case of 40MHz Frequency, CL1 can be supported.
2. Samsung are not designed or manufactured for use in a device or system that is used under circumstance in which human life is potentially at stake.
Please contact to the memory marketing team in samsung electronics when considering the use of a product contained herein for any specific pur
pose, such as medical, aerospace, nuclear, military, vehicular or undersea repeater use.
1
December 2003
K4M281633F - R(B)E/N/G/C/L/F
Mobile-SDRAM
FUNCTIONAL BLOCK DIAGRAM
LWE
Data Input Register
LDQM
Bank Select
2M x 16
2M x 16
2M x 16
2M x 16
DQi
CLK
ADD
Column Decoder
Latency & Burst Length
LCKE
Programming Register
LWCBR
LRAS
LCBR
LWE
LCAS
LDQM
Timing Register
CAS
CLK
CKE
CS
RAS
WE
L(U)DQM
2
December 2003
K4M281633F - R(B)E/N/G/C/L/F
Mobile-SDRAM
Package Dimension and Pin Configuration
< Bottom View*1
>
< Top View*2 >
E
1
9
8
7
6
5
4
3
2
1
54Ball(6x9) CSP
A
B
C
D
E
F
1
2
3
7
8
9
A
B
C
D
E
F
VSS
DQ15 VSSQ VDDQ DQ0
DQ2
DQ12 DQ11 VSSQ VDDQ DQ4
VDD
DQ1
DQ3
DQ5
DQ14 DQ13 VDDQ VSSQ
DQ10
DQ8
UDQM
NC
DQ9 VDDQ VSSQ
DQ6
NC
CLK
A11
A7
VSS
CKE
A9
VDD LDQM DQ7
CAS
BA0
A0
RAS
BA1
A1
WE
CS
G
H
J
G
H
J
A8
A6
A10
VDD
VSS
A5
A4
A3
A2
E
E/2
Pin Name
CLK
Pin Function
System Clock
Chip Select
Clock Enable
Address
*2: Top View
CS
CKE
A0 ~ A11
BA0 ~ BA1
RAS
Bank Select Address
Row Address Strobe
Column Address Strobe
Write Enable
A
A1
Encapsulant
Max. 0.20
CAS
z
b
WE
L(U)DQM
DQ0 ~ 15
VDD/VSS
VDDQ /VSSQ
Data Input/Output Mask
Data Input/Output
*1: Bottom View
< Top View*2
>
Power Supply/Ground
Data Output Power/Ground
#A1 Ball Origin Indicator
[Unit:mm]
Symbol
Min
Typ
0.95
0.35
8.00
6.40
8.00
6.40
0.80
0.45
-
Max
A
0.90
1.00
A
0.30
0.40
1
E
-
-
E
-
-
1
D
-
-
-
D
-
1
e
-
0.40
-
-
b
z
0.50
0.10
3
December 2003
K4M281633F - R(B)E/N/G/C/L/F
Mobile-SDRAM
ABSOLUTE MAXIMUM RATINGS
Parameter
Symbol
VIN, VOUT
VDD, VDDQ
TSTG
Value
-1.0 ~ 4.6
-1.0 ~ 4.6
-55 ~ +150
1.0
Unit
V
Voltage on any pin relative to Vss
Voltage on VDD supply relative to Vss
Storage temperature
V
°C
W
Power dissipation
PD
Short circuit current
IOS
50
mA
NOTES:
Permanent device damage may occur if ABSOLUTE MAXIMUM RATINGS are exceeded.
Functional operation should be restricted to recommended operating condition.
Exposure to higher than recommended voltage for extended periods of time could affect device reliability.
DC OPERATING CONDITIONS
Recommended operating conditions (Voltage referenced to VSS= 0V, TA = -25°C ~ 85°C for Extended, -25°C ~ 70°C for Commercial)
Parameter
Symbol
VDD
VDDQ
VIH
Min
2.7
2.7
2.2
-0.3
2.4
-
Typ
3.0
3.0
3.0
0
Max
Unit
V
Note
3.6
Supply voltage
3.6
V
Input logic high voltage
Input logic low voltage
Output logic high voltage
Output logic low voltage
VDDQ + 0.3
V
1
VIL
0.5
-
V
2
VOH
VOL
ILI
-
V
IOH = -2mA
IOL = 2mA
3
-
0.4
10
V
Input leakage current
-10
-
uA
NOTES :
1. VIH (max) = 5.3V AC.The overshoot voltage duration is £ 3ns.
2. VIL (min) = -2.0V AC. The undershoot voltage duration is£ 3ns.
3. Any input 0V£ VIN £ VDDQ.
Input leakage currents include Hi-Z output leakage for all bi-directional buffers with tri-state outputs.
4. Dout is disabled, 0V£ VOUT £ VDDQ.
CAPACITANCE(V DD = 3.0V & 3.3V, TA = 23°C, f = 1MHz, VREF =0.9V ± 50 mV)
Pin
Symbol
CCLK
Min
2.0
2.0
2.0
3.0
Max
4.0
4.0
4.0
6.0
Unit
Note
Clock
pF
pF
pF
pF
RAS, CAS, WE, CS, CKE, DQM
Address
CIN
CADD
COUT
DQ0 ~ DQ15
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December 2003
K4M281633F - R(B)E/N/G/C/L/F
Mobile-SDRAM
DC CHARACTERISTICS
Recommended operating conditions (Voltage referenced to VSS = 0V, TA = -25 to 85 °C for Extended, -25 to 70°C for Commercial)
Version
Parameter
Symbol
Test Condition
Unit Note
-75
-1H
-1L
Burst length = 1
tRC ³ tRC(min)
IO = 0 mA
Operating Current
(One Bank Active)
ICC1
80
75
75
mA
mA
1
ICC2P
CKE £ VIL(max), tCC = 10ns
0.5
0.5
Precharge Standby Current in
power-down mode
ICC2PS CKE & CLK £ VIL(max), tCC = ¥
CKE ³ VIH(min), CS ³ VIH(min), tCC = 10ns
ICC2N
12
10
Input signals are changed one time during 20ns
Precharge Standby Current
in non power-down mode
mA
mA
CKE ³ VIH(min), CLK £ VIL(max), tCC = ¥
ICC2NS
Input signals are stable
ICC3P
CKE £ VIL(max), tCC = 10ns
7
7
Active Standby Current
in power-down mode
ICC3PS CKE & CLK £ VIL(max), tCC = ¥
CKE ³ VIH(min), CS ³ VIH(min), tCC = 10ns
ICC3N
23
20
mA
mA
Active Standby Current
in non power-down mode
(One Bank Active)
Input signals are changed one time during 20ns
CKE ³ VIH(min), CLK £ VIL(max), tCC = ¥
ICC3NS
Input signals are stable
IO = 0 mA
Operating Current
(Burst Mode)
Page burst
ICC4
130
170
130
110
155
mA
1
4Banks Activated
tCCD = 2CLKs
Refresh Current
ICC5
tRC ³ tRC(min)
170
700
500
mA
uA
2
4
5
3
-E/C
-N/L
Internal TCSR
Full Array
Max 40
350
Max 85/70
500
°C
Self Refresh Current
ICC6
CKE £ 0.2V
-G/F
uA
6
1/2 of Full Array
1/4 of Full Array
300
400
280
360
NOTES:
1. Measured with outputs open.
2. Refresh period is 64ms.
3. Internal TCSR can be supported.
In commercial Temp : Max 40°C/Max 70°C, In extended Temp : Max 40°C/Max 85°C
4. K4M281633F-R(B)E/C**
5. K4M281633F-R(B)N/L**
6. K4M281633F-R(B)G/F**
7. Unless otherwise noted, input swing IeveI is CMOS(VIH /VIL=VDDQ/VSSQ).
5
December 2003
K4M281633F - R(B)E/N/G/C/L/F
Mobile-SDRAM
AC OPERATING TEST CONDITIONS(VDD = 2.7V ~ 3.6V, TA = -25 to 85°C for Extended, -25 to 70°C for Commercial)
Parameter
AC input levels (Vih/Vil)
Value
2.4 / 0.4
Unit
V
Input timing measurement reference level
Input rise and fall time
0.5 x VDDQ
tr/tf = 1/1
V
ns
V
Output timing measurement reference level
Output load condition
0.5 x VDDQ
See Figure 2
VDDQ
1200W
Vtt=0.5 x VDDQ
VOH (DC) = 2.4V, IOH = -2mA
VOL (DC) = 0.4V, IOL = 2mA
Output
50W
30pF
870W
Output
Z0=50W
30pF
Figure 1. DC Output Load Circuit
Figure 2. AC Output Load Circuit
6
December 2003
K4M281633F - R(B)E/N/G/C/L/F
Mobile-SDRAM
OPERATING AC PARAMETER
(AC operating conditions unless otherwise noted)
Version
Parameter
Symbol
Unit
Note
-75
15
19
19
45
-1H
-1L
19
24
24
60
Row active to row active delay
RAS to CAS delay
tRRD(min)
tRCD(min)
19
ns
ns
1
1
1
1
19
Row precharge time
tRP(min)
19
ns
tRAS(min)
50
ns
Row active time
tRAS(max)
100
us
Row cycle time
tRC(min)
64
69
84
ns
1
2
3
2
2
4
Last data in to row precharge
Last data in to Active delay
Last data in to new col. address delay
Last data in to burst stop
tRDL(min)
2
CLK
-
tDAL(min)
tRDL + tRP
tCDL(min)
1
1
1
2
1
0
CLK
CLK
CLK
tBDL(min)
Col. address to col. address delay
Number of valid output data
Number of valid output data
Number of valid output data
tCCD(min)
CAS latency=3
CAS latency=2
CAS latency=1
ea
5
NOTES:
1. The minimum number of clock cycles is determined by dividing the minimum time required with clock cycle time
and then rounding off to the next higher integer.
2. Minimum delay is required to complete write.
3. Minimum tRDL=2CLK and tDAL(= tRDL + tRP) is required to complete both of last data write command(tRDL) and precharge command(tRP).
4. All parts allow every cycle column address change.
5. In case of row precharge interrupt, auto precharge and read burst stop.
7
December 2003
K4M281633F - R(B)E/N/G/C/L/F
Mobile-SDRAM
AC CHARACTERISTICS(AC operating conditions unless otherwise noted)
-75
-1H
-1L
Parameter
Symbol
Unit
Note
Min
7.5
9.5
-
Max
Min
9.5
9.5
-
Max
Min
9.5
12
Max
CLK cycle time
CLK cycle time
CLK cycle time
CAS latency=3
CAS latency=2
CAS latency=1
CAS latency=3
CAS latency=2
CAS latency=1
CAS latency=3
CAS latency=2
CAS latency=1
tCC
tCC
tCC
tSAC
tSAC
tSAC
tOH
tOH
tOH
tCH
tCL
1000
1000
1000
ns
1
25
CLK to valid output delay
CLK to valid output delay
CLK to valid output delay
Output data hold time
Output data hold time
Output data hold time
CLK high pulse width
CLK low pulse width
Input setup time
5.4
7
7
7
-
7
8
ns
ns
1,2
-
20
2.5
2.5
-
2.5
2.5
-
2.5
2.5
2.5
3.0
3.0
2.5
1.5
1
2
2.5
2.5
2.0
1.0
1
3.0
3.0
2.5
1.5
1
ns
ns
ns
ns
ns
3
3
3
3
2
tSS
Input hold time
tSH
CLK to output in Low-Z
tSLZ
CAS latency=3
CAS latency=2
CAS latency=1
5.4
7
7
7
-
7
8
CLK to output in Hi-Z
tSHZ
ns
-
20
NOTES :
1. Parameters depend on programmed CAS latency.
2. If clock rising time is longer than 1ns, (tr/2-0.5)ns should be added to the parameter.
3. Assumed input rise and fall time (tr & tf) = 1ns.
If tr & tf is longer than 1ns, transient time compensation should be considered,
i.e., [(tr + tf)/2-1]ns should be added to the parameter.
8
December 2003
K4M281633F - R(B)E/N/G/C/L/F
Mobile-SDRAM
SIMPLIFIED TRUTH TABLE
A11,
Note
COMMAND
CKEn-1 CKEn CS RAS CAS WE DQM BA0,1 A10/AP
A9 ~ A0
Register
Refresh
Mode Register Set
Auto Refresh
H
H
X
H
L
L
L
L
L
L
L
L
X
X
OP CODE
X
1, 2
3
H
Entry
3
Self
L
H
L
H
X
L
H
X
H
H
X
H
3
Refresh
Exit
L
H
H
H
X
X
X
X
X
X
3
Bank Active & Row Addr.
V
V
Row Address
Read &
Column Address
Auto Precharge Disable
Auto Precharge Enable
L
Column
4
L
H
L
H
Address
(A0~A8)
H
4, 5
Write &
Column Address
Auto Precharge Disable
Auto Precharge Enable
L
Column
Address
(A0~A8)
4
H
H
H
X
X
X
L
L
L
H
H
L
L
H
H
L
L
L
X
X
X
V
H
4, 5
Burst Stop
Precharge
X
6
Bank Selection
All Banks
V
X
L
X
H
H
L
X
V
X
X
H
X
V
X
X
H
X
V
X
X
H
X
V
X
V
X
X
H
X
V
Entry
H
L
L
H
L
X
X
X
Clock Suspend or
Active Power Down
X
X
Exit
X
H
L
Entry
H
Precharge Power Down
Mode
H
L
Exit
L
H
H
H
X
X
V
X
DQM
X
X
7
H
L
X
H
X
H
No Operation Command
(V=Valid, X=Don¢t Care, H=Logic High, L=Logic Low)
NOTES :
1. OP Code : Operand Code
A0 ~ A11 & BA0 ~ BA1 : Program keys. (@MRS)
2. MRS can be issued only at all banks precharge state.
A new command can be issued after 2 CLK cycles of MRS.
3. Auto refresh functions are the same as CBR refresh of DRAM.
The automatical precharge without row precharge command is meant by "Auto".
Auto/self refresh can be issued only at all banks precharge state.
Partial self refresh can be issued only after setting partial self refresh mode of EMRS.
4. BA0 ~ BA1 : Bank select addresses.
5. During burst read or write with auto precharge, new read/write command can not be issued.
Another bank read/write command can be issued after the end of burst.
New row active of the associated bank can be issued at tRP after the end of burst.
6. Burst stop command is valid at every burst length.
7. DQM sampled at the positive going edge of CLK masks the data-in at that same CLK in write operation (Write DQM latency
is 0), but in read operation, it makes the data-out Hi-Z state after 2 CLK cycles. (Read DQM latency is 2).
9
December 2003
K4M281633F - R(B)E/N/G/C/L/F
Mobile-SDRAM
A. MODE REGISTER FIELD TABLE TO PROGRAM MODES
Register Programmed with Normal MRS
*2
BA0 ~ BA1
Address
A11 ~ A10/AP
A8
A7
A6
A5
A4
A3
A2
A1
A0
A9
"0" Setting for
Normal MRS
*1
Function
W.B.L
Test Mode
CAS Latency
BT
Burst Length
RFU
Normal MRS Mode
Test Mode
CAS Latency
Burst Type
Type
Burst Length
A8 A7
Type
Mode Register Set
Reserved
A6
0
A5
0
A4
0
Latency
Reserved
1
A3
0
A2
A1
A0
0
BT=0
BT=1
0
0
1
1
0
1
0
1
Sequential
0
0
0
0
1
1
1
1
0
0
1
1
0
0
1
1
1
2
4
8
1
2
4
8
0
0
1
1
Interleave
1
Reserved
0
1
0
2
Mode Select
0
Reserved
0
1
1
3
BA1 BA0
Mode
1
Write Burst Length
Length
1
0
0
Reserved
Reserved
Reserved
Reserved
0
Reserved Reserved
Reserved Reserved
Reserved Reserved
Full Page Reserved
Setting
for Nor-
mal MRS
A9
0
1
0
1
1
0
0
Burst
1
1
0
0
1
Single Bit
1
1
1
1
Full Page Length x16 : 128Mb(512)
Register Programmed with Extended MRS
Address
BA1
BA0
A11 ~ A10/AP
A9
A8
A7
A6
A5
A4
RFU
A3
A2
A1
A0
*1
*1
Function
Mode Select
DS
PASR
RFU
EMRS for PASR(Partial Array Self Ref.) & DS(Driver Strength)
Mode Select
Mode
Driver Strength
PASR
BA1
BA0
A6
0
A5
0
Driver Strength
A2
0
A1 A0
Size of Refreshed Array
Full Array
0
0
1
1
0
1
0
1
Normal MRS
Reserved
Full
0
0
1
1
0
0
1
1
0
1
0
1
0
1
0
1
0
1
1/2
0
1/2 of Full Array
1/4 of Full Array
Reserved
EMRS for Mobile SDRAM
Reserved
1
0
Reserved
Reserved
0
1
1
0
Reserved Address
1
Reserved
A11~A10/AP
0
A9
0
A8
0
A7
0
A4
0
A3
0
1
Reserved
1
Reserved
1
Reserved
NOTES:
1.RFU(Reserved for future use) should stay "0" during MRS cycle.
2.If A9 is high during MRS cycle, "Burst Read Single Bit Write" function will be enabled.
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December 2003
K4M281633F - R(B)E/N/G/C/L/F
Mobile-SDRAM
Partial Array Self Refresh
1. In order to save power consumption, Mobile SDRAM has PASR option.
2. Mobile SDRAM supports 3 kinds of PASR in self refresh mode :Full Array, 1/2 of Full Array and 1/4 of Full Array.
BA1=0
BA0=0
BA1=0
BA0=1
BA1=0
BA0=0
BA1=0
BA0=1
BA1=0
BA0=0
BA1=0
BA0=1
BA1=1
BA0=0
BA1=1
BA0=1
BA1=1
BA0=0
BA1=1
BA0=1
BA1=1
BA0=0
BA1=1
BA0=1
- 1/4 Array
- Full Array
- 1/2 Array
Partial Self Refresh Area
Internal Temperature Compensated Self Refresh (TCSR)
1. In order to save power consumption, Mobile-DRAM includes the internal temperature sensor and control units to control the self
refresh cycle automatically according to the two temperature range : Max 40 °C and Max 85 °C(for Extended), Max 70 °C(for
Commercial).
2. If the EMRS for external TCSR is issued by the controller, this EMRS code for TCSR is ignored.
Self Refresh Current (Icc6)
Temperature Range
- G/F
1/2 of Full Array
400
Unit
- E/C
- N/L
Full Array
500
1/4 of Full Array
Max 85/70 °C
Max 40 °C
360
280
700
500
uA
350
300
B. POWER UP SEQUENCE
1. Apply power and attempt to maintain CKE at a high state and all other inputs may be undefined.
- Apply VDD before or at the same time as VDDQ.
2. Maintain stable power, stable clock and NOP input condition for a minimum of 200us.
3. Issue precharge commands for all banks of the devices.
4. Issue 2 or more auto-refresh commands.
5. Issue a mode register set command to initialize the mode register.
6. Issue a extended mode register set command to define DS or PASR operating type of the device after normal MRS.
EMRS cycle is not mandatory and the EMRS command needs to be issued only when DS or PASR is used.
The default state without EMRS command issued is full driver strength and full array refreshed.
The device is now ready for the operation selected by EMRS.
For operating with DS or PASR , set DS or PASR mode in EMRS setting stage.
In order to adjust another mode in the state of DS or PASR mode, additional EMRS set is required but power up sequence is not
needed again at this time. In that case, all banks have to be in idle state prior to adjusting EMRS set.
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December 2003
K4M281633F - R(B)E/N/G/C/L/F
Mobile-SDRAM
C. BURST SEQUENCE
1. BURST LENGTH = 4
Initial Address
Sequential
Interleave
A1
A0
0
0
0
1
2
3
1
2
3
0
2
3
0
1
3
0
1
2
0
1
2
3
1
0
3
2
2
3
0
1
3
2
1
0
0
1
1
0
1
1
2. BURST LENGTH = 8
Initial Address
Sequential
Interleave
A2
0
A1
0
A0
0
0
1
2
3
4
5
6
7
1
2
3
4
5
6
7
0
2
3
4
5
6
7
0
1
3
4
5
6
7
0
1
2
4
5
6
7
0
1
2
3
5
6
7
0
1
2
3
4
5
7
0
1
2
3
4
5
6
0
1
2
3
4
5
6
7
1
2
3
0
1
6
7
4
5
3
2
1
0
7
6
5
4
4
5
6
7
0
1
2
3
5
4
7
6
1
0
3
2
6
7
4
5
2
3
0
1
7
6
5
4
3
2
1
0
0
0
1
6
7
0
1
2
3
4
0
3
2
5
4
7
6
0
1
0
0
1
1
1
0
0
1
0
1
1
1
0
1
1
1
12
December 2003
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