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Número de pieza | K7D323674A | |
Descripción | 1Mx36 & 2Mx18 SRAM | |
Fabricantes | Samsung Electronics | |
Logotipo | ||
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K7D321874A
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1Mx36 & 2Mx1w8wwS.DRatAaShMeet4U.com
Document Title
32M DDR SYNCHRONOUS SRAM
Revision History
Rev No.
History
DraftData
Remark
Rev. 0.0
Initial document.
Dec. 2002
Advance
Rev. 0.1
Remove /G operation thru the Spec.
- Remove /G from PUNCTIONAL BLOCK DIAGRAM, PIN CONFIGURA-
TION, TRUTH TABLE and TIMING WAVEFORMs
Jan. 2003
Advance
Add 300MHz Speed bin.
- Add Part ID at ORDERING INFORMATION & I DD30 at DC CHARACTERIS-
TICS
Change ILI and ILo at DC CHARCATERISTICS
- ILI : MIN -1 -> -3, MAX 1 -> 3, ILo : MIN -1 -> -5, MAX 1 -> 5
Change the comment of Programmable Impedance Output Driver.
Change RECOMMENDED DC OPERATING CONDITIONS.
PRE- PUBLICATION DRAFT- VREF : Min 0.68 -> 0.65, Max 1.0 -> 0.85
SUBJECT TO CHANGE WITHOUT NOTICEChange PIN CAPACITANCE : CIN: 3 -> 3.1
Change AC TEST CONDITIONS : TR/R F: 0.4/0.4 -> 0.5/0.5
Change AC TIMING CHARACTERISTICS
- tCHCL : tKHKL -0.1 -> tKHKL -0.2 , tCLCH : tKLKH -0.1 -> tKLKH -0.2
- tCXCV : 2.10 -> 2.30
Rev 0.2
Change VDDQ RANGE
- In FEATURES : 1.5V VDDQ -> 1.5~.1.8V VDDQ
- In RECOMENDED DC OPERATING CONDITIONS : Max VDDQ : 1.6 -> 1.9
Feb. 2003
Advance
Change TRUTH TABLE : Remove Clock Stop
Change DC CHARACTERISTICS
- x36 IDD :
IDD50 : 950 -> 1050, IDD45 : 850 -> 950, IDD40: 800 -> 860, IDD30: 750 -> 760
- x18 IDD:
IDD50 : 850 -> 1000, IDD45 : 800 -> 900, IDD40: 750 -> 810, IDD30: 700 -> 710
- ISB1 : 150 -> 200
Change PIN CAPACITANCE : CIN : 3.1 -> 3.2, C OUT : 4 -> 4.2
Change AC TIMING CHARACTERISTICS
- MIN tKHKL, tKHKL : -40 : 1.1 -> 1.2, -30 : 1.1 -> 1.4
- MIN tAVKH, tBVKH, tKHAX, tKHBX : -45 : 0.25 -> 0.27
- tKXCV MIN/MAX : 0.8/2.3 -> 1.0/2.5
Change PACKAGE THERMAL CHARACTERISTICS
The attached data sheets are prepared and approved by SAMSUNG Electronics. SAMSUNG Electronics CO., LTD. reserve the
right to change the specifications. SAMSUNG Electronics will evaluate and reply to your requests and questions on the parameters
of this device. If you have any questions, please contact the SAMSUNG branch office near your office, call or cortact Headquart ers.
-1-
Rev 0.4
Jun. 2003
1 page K7D323674A
K7D321874A
Advance
1Mx36 & 2Mx1w8wwS.DRataAShMeet4U.com
PACKAGE PIN CONFIGURATIONS(TOP VIEW)
K7D323674A(1Mx36)
1234
A
VSS
VDDQ
SA
SA
B
D Q20
D Q19
SA
VSS
C
VSS
VDDQ
SA
SA
D
D Q30
D Q28
SA
V ss(5)
E
VSS
VDDQ
VSS
VDD
F
D Q21
CQ
DQ 18
VDD
G
VSS
VDDQ
VSS
VSS
H
D Q31
D Q29
DQ 27
VDD
J
VSS
VDDQ
VSS
VDD
K
D Q22
D Q24
DQ 26
VSS
L VSS VDDQ VSS LBO (7)
M
D Q32
CQ
DQ 35
VDD
N
VSS
VDDQ
VSS
VDD
P
D Q23
D Q25
NC *
VSS
R
VSS
VDDQ
V DD(4)
SA
T
D Q33
D Q34
SA
VSS
U
VSS
VDDQ
TMS
TDI
5
ZQ
B1
SA
VDD
VREF
VDD
K
K
VDD
B2
B3
VDD
VREF
VDD(2)
SA 1
SA 0
TCK
6
SA
VSS
SA
Vss(6)
VDD
VDD
VSS
VDD
VDD
VSS
MODE(9)
VDD
VDD
VSS
SA
VSS
TDO
7
SA
SA
SA
SA
VSS
D Q17
VSS
DQ 8
VSS
DQ 9
VSS
DQ 0
VSS
SA
VDD(3)
SA
NC(8)
K7D321874A(2Mx18)
1234
A
VSS
VDDQ
SA
SA
B
NC D Q10 SA
VSS
C
VSS
VDDQ
SA
SA
D
D Q11
NC
SA V ss(5)
E
VSS
VDDQ
V SS
VDD
F NC CQ NC VDD
G
VSS
VDDQ
V SS
VSS
H
D Q12
NC
D Q9
VDD
J
VSS
VDDQ
V SS
VDD
K
NC D Q15 NC
VSS
L
VSS
VDDQ
V SS
LBO(7)
M
D Q13
NC
DQ 17
VDD
N
VSS
VDDQ
V SS
VDD
P
NC D Q16 SA
VSS
R
VSS
VDDQ
V DD(4)
SA
T
D Q14
NC
SA
VSS
U
VSS
VDDQ
TMS
TDI
(1) Variable address see "Variable address assignment table"
(2) Variable address see "Variable address assignment table"
(3) Variable address see "Variable address assignment table"
(4) Variable address see "Variable address assignment table"
(5) Variable address see "Variable address assignment table"
(6) Variable address see "Variable address assignment table"
(7) LBO for DDR1, M 2 for DDR3
(8) NC for DDR1, ZT for DDR3
(9) Internally NC since DDR2 is not supported
5
ZQ
B1
SA
V DD
VREF
V DD
K
K
V DD
B2
B3
V DD
VREF
VDD(2)
SA 1
SA 0
TCK
6
SA
VSS
SA
Vss(6)
VDD
VDD
VSS
VDD
VDD
VSS
MODE(9)
VDD
VDD
VSS
SA
VSS
TDO
7
SA
SA
SA
SA
VSS
DQ 8
VSS
NC
VSS
DQ 0
VSS
NC
VSS
SA
V DD(3)
SA
NC(8)
-5-
8
VDDQ
DQ 16
VDDQ
D Q7
VDDQ
CQ
VDDQ
D Q6
VDDQ
DQ 11
VDDQ
CQ
VDDQ
DQ 10
VDDQ
D Q1
VDDQ
8
VDDQ
NC
VDDQ
D Q7
VDDQ
NC
VDDQ
D Q6
VDDQ
NC
VDDQ
CQ
VDDQ
NC
VDDQ
D Q1
VDDQ
9
VSS
D Q15
VSS
D Q5
VSS
D Q14
VSS
D Q4
VSS
D Q13
VSS
D Q3
VSS
D Q12
VSS
D Q2
VSS
9
VSS
D Q5
VSS
NC
VSS
D Q4
VSS
NC
VSS
D Q3
VSS
NC
VSS
D Q2
VSS
NC
VSS
Rev 0.4
Jun. 2003
5 Page K7D323674A
K7D321874A
Advance
1Mx36 & 2Mx1w8wwS.DRatAaSMheet4U.com
PIN CAPACITANCE
Parameter
Symbol
Input Capacitance
C IN
Data Output Capacitance
C OUT
NOTE : Periodically sampled and not 100% tested.(TA=25°C, f=500MHz)
Test Condition
VIN=0V
VOUT=0V
TYP
-
-
AC TEST CONDITIONS (TA=0 to 70°C, VDD=2.37 -2.63V, VDDQ=1.5V)
Parameter
Input High/Low Level
Input Reference Level
Input Rise/Fall Time
Output Timing Reference Level
Clock Input Timing Reference Level
Output Load
Symbol
VIH/VIL
VREF
T R/TF
Value
1.25/0.25
0.75
0.5/0.5
0.75
Cross Point
See Below
AC TEST OUTPUT LOAD
Max
3.2
4.2
Unit
V
V
ns
V
V
25Ω
DQ
50Ω
5pF
0.75V
50Ω
5pF
50Ω
50Ω
0.75V
0.75V
Unit
pF
pF
Note
-
-
-
-
-
-
- 11
Rev 0.4
Jun. 2003
11 Page |
Páginas | Total 18 Páginas | |
PDF Descargar | [ Datasheet K7D323674A.PDF ] |
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