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Número de pieza NT128D64S88A0G
Descripción 184pin One Bank Unbuffered DDR SDRAM MODULE
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NT128D64S88A0G
128MB : 16M x 64
PC2100 / PC1600 Unbuffered DIMM
184pin One Bank Unbuffered DDR SDRAM MODULE Based on DDR266/200 16Mx8 SDRAM
Features
• 184-Pin Unbuffered 8-Byte Dual In-Line Memory Module
• 16Mx64 Double Data Rate (DDR) SDRAMDIMM
(16M X 8 SDRA MS)
• Performance :
PC1600 PC2100
Speed Sort
- 8B - 75B - 7K Unit
DIMMCAS Latency
2 2.5 2
f CK Clock Frequency
100 133 133 MHz
t CK Clock Cycle
10 7.5 7.5 ns
f DQ DQ Burst Frequency 200 266 266 MHz
• Intended for 100 MHz and 133 MHz applications
• Inputs and outputs are SSTL-2 compatible
• VDD = 2.5Volt ±?0.2, VDD = 2.5Volt ± 0.2
• Single Pulsed RAS interface
• SDRAMs have 4 internal banks for concurrent operation
• Module has one physical bank
• Differential clock inputs
• Data is read or written on both clock edges
• DRAM DLL aligns DQ and DQS transitions with clock transitions.
Also aligns QFC transitions with clock during Read cycles
• Address and control signals are fully synchronous to positive
clock edge
• Programmable Operation:
- DIMMCAS Latency: 2, 2.5
- Burst Type: Sequential or Interleave
- Burst Length: 2, 4, 8
- Operation: Burst Read and Write
• Auto Refresh (CBR) and Self Refresh Modes
• Automatic and controlled precharge commands
• 12/10/2 Addressing (row/column/bank)
• 15.6 µs Max. Average Periodic Refresh Interval
• Serial Presence Detect
• Gold contacts
• SDRAMs in 66-pin TSOP Type II Package
Description
NT128D64S88A0G is an unbuffered 184-Pin Double Data Rate (DDR) Synchronous DRAM Dual In-Line Memory Module (DIMM),
organized as a one-bank high-speed memory array. The 16Mx64 module is a single-bank DIMM that uses eight 16Mx8 DDR
SDRAMs in 400 mil TSOP packages. The DIMM achieves high-speed data transfer rates of up to 266MHz. The DIMM is intended for use
in applications operating from 100 MHz to 133 MHz clock speeds with data rates of 200 to 266 MHz. Clock enable CKE0 controls all
devices on the DIMM.
Prior to any access operation, the device CAS latency and burst type/ length/operation type must be programmed into the DIMM by
address inputs A0-A11 and I/O inputs BA0 and BA1 using the mode register set cycle.
These DIMMs are manufactured using raw cards developed for broad industry use as reference designs. The use of these common
design files minimizes electrical variation between suppliers.
The DIMM uses serial presence detects implemented via a serial EEPROM using the two-pin IIC protocol. The first 128 bytes of serial PD
data are programmed and locked during module assembly. The last 128 bytes are available to the customer.
All NANYA 184 DDR SDRAM DIMMs provide a high-performance, flexible 8-byte interface in a 5.25” long space-saving footprint.
Ordering Information
Part Number
NT128D64S88A0G-7K
NT128D64S88A0G –75B
NT128D64S88A0G –8B
Speed
143MHz (7ns @ CL = 2.5 )
133MHz (7.5ns @ CL= 2 )
133MHz (7.5ns @ CL= 2.5 )
100MHz (10ns @ CL = 2 )
125MHz (8ns @ CL = 2.5 )
100MHz (10ns @ CL = 2 )
PC2100
Organization
PC2100
16Mx64
PC1600
Leads
Gold
Power
2.5V
REV1.0 / June 2001
1
© NANYA TECHNOLOGY CORP.
NANYA TECHNOLOGY CORP. reserves the right to change Products and Specifications without notice.

1 page




NT128D64S88A0G pdf
NT128D64S88A0G
128MB : 16M x 64
PC2100 / PC1600 Unbuffered DIMM
Serial Presence Detect -- Part 1 of 2
16Mx64 SDRAM DIMM based on 16Mx8, 4Banks, 4K Refresh, 2.5V DDR SDRAMs with SPD
Byte
Description
SPD Entry Value
Serial PD Data Entry (Hexadecimal) Note
DDR266A DDR266B DDR200 DDR266A DDR266B DDR200
-7K -75B -8B -7K -75 -8B
Number of Serial PD Bytes Written during
0
Production
128
80
1 Total Number of Bytes in Serial PD device
256
08
2 Fundamental Memory Type
DDR SDRAM
07
3 Number of Row Addresses on Assembly
12
0C
4 Number of Column Addresses on Assembly
10
0A
5 Number of DIMM Bank
1 01
6. Data Width of Assembly
X64 40
7 Data Width of Assembly (cont’)
X64
00
8 Voltage Interface Level of this Assembly
SSTL 2.5V
04
9 DDR SDRAM Device Cycle Time at CL=2.5
7ns
7.5ns
8ns
70
75
80
DDR SDRAM Device Access Time from
10
0.75ns 0.75ns
0.8ns
75
75
80
Clock at CL=2.5
11 DIMM Configuration Type
Non-Parity
00
12 Refresh Rate/Type
SR/1x(15.625us)
80
13 Primary DDR SDRAM Width
X8 08
14 Error Checking DDR SDRAM Device Width
N/A
00
DDR SDRAM Device Attr: Min CLk Delay,
15
Random Col Access
1 Clock
01
DDR SDRAM Device Attributes:
16
Burst Length Supported
2,4,8
0E
DDR SDRAM Device Attributes: Number of
17
Device Banks
4
04
DDR SDRAM Device Attributes: CAS
18
Latencies Supported
2/2.5
2/2.5
2/2.5
0C
0C
0C
19 DDR SDRAM Device Attributes: CS Latency
0
01
20 DDR SDRAM Device Attributes: WE Latency
1
02
21 DDR SDRAM Device Attributes:
Differential Clock
20
22 DDR SDRAM Device Attributes: General
+/-0.2V Voltage Tolerance
00
23 Minimum Clock Cycle at CL=2
7.5ns
10ns
10ns
75
A0
A0
Maximum Data Access Time from Clock at
24
0.75ns 0.75ns
0.8ns
75
75
80
CL=2
25 Minimum Clock Cycle Time at CL=1
N/A
00
Maximum Data Access Time from Clock at
26
CL=1
N/A
00
27 Minimum Row Precharge Time(tRP)
20ns
20ns
20ns
50
50
50
Minimum Row Active to Row Active delay
28
15ns
15ns
15ns
3C
3C
3C
(tRRD)
29 Minimum RAS to CAS delay (tRCD)
20ns
20ns
20ns
50
50
50
30 Minimum RAS Pulse Width (tRAS)
45ns
45ns
50ns
2D
2D
32
31 Module Bank Density
128MB
20
Address and Command Setup Time Before
32
0.9ns
0.9ns
1.1ns
90
90
B0
Clock
Address and Command Hold Time After
33
0.9ns
0.9ns
1.1ns
90
90
B0
Clock
34 Data Input Setup Time Before Clock
0.5ns
0.5ns
0.6ns
50
50
60
35 Data Input Hold Time After Clock
0.5ns
0.5ns
0.6ns
50
50
60
36-61 Reserved
Undefined
00
62 SPD Revision
Initial
Initial
Initial
00
00
00
63 Checksum Data
6C 9C 22
REV1.0 / June 2001
5
© NANYA TECHNOLOGY CORP.
NANYA TECHNOLOGY CORP. reserves the right to change Products and Specifications without notice.

5 Page





NT128D64S88A0G arduino
NT128D64S88A0G
128MB : 16M x 64
PC2100 / PC1600 Unbuffered DIMM
AC Timing Specifications for DDR SDRAM Devices Used on Module
( TA = 0 °C ~ 70 °C ; VDDQ = 2.5V ± 0.2V; VDD = 2.5V ± 0.2V, See AC Characteristics) (Part 1 of 2)
Symbol
Parameter
-7K
Min. Max.
-75B
Min. Max.
-8B
Min. Max.
tAC DQ output access time from CK/ CK
-0.75 +0.75 -0.75 +0.75 -0.8 +0.8
tDQSCK DQS output access time from CK/ CK
-0.75 +0.75 -0.75 +0.75 -0.8 +0.8
tCH CK high-level width
0.45 0.55 0.45 0.55 0.45 0.55
tCL CK low -level width
0.45 0.55 0.45 0.55 0.45 0.55
tC K
Clock cycle time
tC K
CL=2.5
CL=2
7 12 7.5 12 8 12
7.5 12 10 12 10 12
tDH DQ and DM input hold time
0.5 0.5 0.6
tD S
tDIPW
tHZ
DQ and DM input setup time
DQ and DM input pulse width (each input)
Data-out high-impedance time from CK/ CK
0.5 0.5 0.6
1.75 1.75
-0.75 +0.75 -0.75 +0.75
2
-0.8
+0.8
tLZ Data-out low -impedance time from CK/ CK
tDQSQ
tDQSQA
tH P
DQS-DQ skew (DQS & associated DQ
signals)
DQS-DQ skew (DQS & all DQ signals)
Minimum half clk period for any given cycle;
defined by clk high(tCH )
or clk low (tCL ) time
tQH Data output hold time from DQS
tDQSS
tDQSL,H
tDSS
tDSH
tMRD
Write command to 1st DQS latching
transition
DQS input low (high) pulse width
(write cycle)
DQS falling edge to CK setup time
(write cycle)
DQS falling edge hold time from CK
(write cycle)
Mode register set command cycle time
tWPRES Write preamble setup time
-0.75 +0.75 -0.75 +0.75 -0.8
tCH
or
tC L
tHP -
0.75n
s
0.75
0.5
0.5
1.25
tCH
or
tC L
tHP -
0.75n
s
0.75
0.5
0.5
1.25
tCH
or
tC L
tHP -
1.0ns
0.75
0.35 0.35 0.35
0.2 0.2 0.2
0.2 0.2 0.2
14 15 16
000
+0.8
0.6
0.6
1.25
tWPST
tWPRE
tIH
Write postamble
Write preamble
Address and control input hold time
(fast slew rate)
Address and control input setup time
tI S
(fast slew rate)
Address and control input hold time
tIH
(slow slew rate)
0.40 0.60 0.40 0.60 0.40 0.60
0.25 0.25 0.25
0.9 1.1 1.1
0.9 1.1 1.1
1.0 1.1 1.1
Unit Notes
ns 1,2,3,4
ns 1,2,3,4
tCK 1,2,3,4
tCK 1,2,3,4
ns 1,2,3,4
ns 1,2,3,4
1,2,3,4
ns
, 18,19
1,2,3,4
ns
,18,19
ns 1,2,3,4
1, 2, 3,
ns
4, 5
1, 2, 3,
ns
4, 5
ns 1,2,3,4
ns 1,2,3,4
tCK 1,2,3,4
tCK 1,2,3,4
tCK 1,2,3,4
tCK 1,2,3,4
tCK 1,2,3,4
tCK 1,2,3,4
ns 1,2,3,4
1, 2, 3,
ns
4, 7
1, 2, 3,
tC K
4, 6
tCK 1,2,3,4
2, 3, 4,
ns 11, 13,
14
2, 3, 4,
ns 11, 13,
14
2, 3, 4,
ns 12, 13,
14, 17
REV1.0 / June 2001
11
© NANYA TECHNOLOGY CORP.
NANYA TECHNOLOGY CORP. reserves the right to change Products and Specifications without notice.

11 Page







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