HYMD132645B8-L Datasheet PDF - Hynix Semiconductor
| Part Number | HYMD132645B8-L | |
| Description | 32M x 64 bits Unbuffered DDR SDRAM DIMM | |
| Manufacturers | Hynix Semiconductor | |
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DESCRIPTION
32Mx64 bits
Unbuffered DDR SDRAM DIMM
HYMD132645B(L)8-M/K/H/L
Hynix HYMD132645B(L)8-M/K/H/L series is unbuffered 184-pin double data rate Synchronous DRAM Dual In-Line
Memory Modules (DIMMs) which are organized as 32Mx64 high-speed memory arrays. Hynix HYMD132645B(L)8-M/K/
H/L series consists of sixteen 16Mx8 DDR SDRAM in 400mil TSOP II packages on a 184pin glass-epoxy substrate.
Hynix HYMD132645B(L)8-M/K/H/L series provide a high performance 8-byte interface in 5.25" width form factor of
industry standard. It is suitable for easy interchange and addition.
Hynix HYMD132645B(L)8-M/K/H/L series is designed for high speed of up to 133MHz and offers fully synchronous
operations referenced to both rising and falling edges of differential clock inputs. While all addresses and control
inputs are latched on the rising edges of the clock, Data, Data strobes and Write data masks inputs are sampled on
both rising and falling edges of it. The data paths are internally pipelined and 2-bit prefetched to achieve very high
bandwidth. All input and output voltage levels are compatible with SSTL_2. High speed frequencies, programmable
latencies and burst lengths allow variety of device operation in high performance memory system.
Hynix HYMD132645B(L)8-M/K/H/L series incorporates SPD(serial presence detect). Serial presence detect function is
implemented via a serial 2,048-bit EEPROM. The first 128 bytes of serial PD data are programmed by Hynix to identify
DIMM type, capacity and other the information of DIMM and the last 128 bytes are available to the customer.
FEATURES
• 256MB (32M x 64) Unbuffered DDR DIMM based on
16Mx8 DDR SDRAM
• JEDEC Standard 184-pin dual in-line memory module
(DIMM)
• 2.5V +/- 0.2V VDD and VDDQ Power supply
• All inputs and outputs are compatible with SSTL_2
interface
• Fully differential clock operations (CK & /CK) with
100MHz/125MHz/133MHz
• All addresses and control inputs except Data, Data
strobes and Data masks latched on the rising edges
of the clock
• Data(DQ), Data strobes and Write masks latched on
both rising and falling edges of the clock
• Data inputs on DQS centers when write (centered
DQ)
• Data strobes synchronized with output data for read
and input data for write
• Programmable CAS Latency 2 / 2.5 supported
• Programmable Burst Length 2 / 4 / 8 with both
sequential and interleave mode
• tRAS Lock-out function supported
• Internal four bank operations with single pulsed RAS
• Auto refresh and self refresh supported
• 4096 refresh cycles / 64ms
ORDERING INFORMATION
Part No.
Power Supply
Clock Frequency
Interface
Form Factor
HYMD132645B(L)8-M
HYMD132645B(L)8-K
HYMD132645B(L)8-H
HYMD132645B(L)8-L
VDD=2.5V
VDDQ=2.5V
133MHz (*DDR266:2-2-2)
133MHz (*DDR266A)
133MHz (*DDR266B)
125MHz (*DDR200)
SSTL_2
184pin Unbuffered DIMM
5.25 x 1.25 x 0.15 inch
* JEDEC Defined Specifications compliant
This document is a general product description and is subject to change without notice. Hynix Semiconductor does not assume any
responsibility for use of circuits described. No patent licenses are implied.
Rev. 0.3/May. 02
1
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HYMD132645B(L)8-M/K/H/L
AC OPERATING TEST CONDITIONS (TA=0 to 70oC, Voltage referenced to VSS=0V)
Parameter
Reference Voltage
Termination Voltage
AC Input High Level Voltage (VIH, min)
AC Input Low Level Voltage (VIL, max)
Input Timing Measurement Reference Level Voltage
Output Timing Measurement Reference Level Voltage
Input Signal maximum peak swing
Input minimum Signal Slew Rate
Termination Resistor (RT)
Series Resistor (RS)
Output Load Capacitance for Access Time Measurement (CL)
Value
VDDQ x 0.5
VDDQ x 0.5
VREF + 0.31
VREF - 0.31
VREF
VTT
1.5
1
50
25
30
Unit
V
V
V
V
V
V
V
V/ns
Ω
Ω
pF
Rev. 0.3/May. 02
5
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Part DetailsOn this page, you can learn information such as the schematic, equivalent, pinout, replacement, circuit, and manual for HYMD132645B8-L electronic component. |
| Information | Total 17 Pages | |
| Link URL | [ Copy URL to Clipboard ] | |
| Download | [ HYMD132645B8-L.PDF Datasheet ] | |
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Featured Datasheets
| Part Number | Description | MFRS |
| HYMD132645B8-H | The function is 32M x 64 bits Unbuffered DDR SDRAM DIMM. Hynix Semiconductor | |
| HYMD132645B8-K | The function is 32M x 64 bits Unbuffered DDR SDRAM DIMM. Hynix Semiconductor | |
| HYMD132645B8-L | The function is 32M x 64 bits Unbuffered DDR SDRAM DIMM. Hynix Semiconductor | |
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