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HYM72V64C756T4P-S Datasheet

  • HYM72V64C756T4P-S

  • x72 SDRAM Module

  • 261.21KB

  • 14頁

  • ETC

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64Mx72 bits
PC100 SDRAM Registered DIMM
with PLL, based on 64Mx4 SDRAM with LVTTL, 4 banks & 8K Refresh
HYM72V64C756T4P Series
DESCRIPTION
The HYM72V64C756T4P -Series are high speed 3.3-Volt synchronous dynamic RAM Modules composed of eighteen
64Mx4 bit Synchronous DRAMs in 54-pin TSOPII, two 48-pin SOP Register Buffers, one 24-pin SOP PLL and 8-pin
TSSOP 2K bit EEPROM on a 168-pin glass-epoxy printed circuit board. One 0.22碌F and one 0.0022碌F decoupling
capacitors per each SDRAM are mounted on the module.
The HYM72V64C756T4P -Series are gold plated socket type Dual In-line Memory Modules suitable for easy inter-
change and addition of 512M bytes memory. All addresses, data and control inputs are latched on the rising edge of the
master clock input. The data paths are internally pipelined to achieve very high bandwidths.
FEATURES
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1.700 (43.18mm) PCB Height
168-Pin Registered DIMM with Double Sided
ECC support
One 0.22碌F and one 0.0022碌F decoupling
capacitors adopted
Serial Presence Detect with Serial EEPROM
Two Register Buffers & one Inverter used (with
PLL)
Supports Flow-through or Register mode by Pin
No. 147 (REGE)
Meets all the other JEDEC specifications
Single 3.3V鹵0.3V power supply
All device pins are LVTTL compatible
8192 refresh cycles every 64ms
Auto precharge/precharge all banks by A
10
flag
鈥?Possible to assert random column address every
clock cycle
鈥?Interleaved auto refresh mode
Programmable burst lengths and sequences
- 1,2,4,8,full page for Sequential type
- 1,2,4,8 for Interleave type
鈥?Programmable /CAS latency ; 2,3 clocks
鈥?Support clock suspend/power down mode by
CKE0
鈥?Data mask function by DQM
鈥?Mode register set programming
鈥?Burst termination command
鈥?Self refresh provides minimum power, full internal
refresh control
ORDERING INFORMATION
Part No.
HYM72V64C756T4P-8
HYM72V64C756T4P-P
HYM72V64C756T4P-S
Clock
Frequency
125MHz
100MHz
100MHz
Internal
Bank
Ref.
Power
SDRAM
Package
Plating
4 Banks
8K
Normal
TSOP-II
Gold
This document is a general product description and is subject to change without notice. Hyundai Electronics does not assume any responsibility for use of
circuits described. No patent licenses are implied.
Rev. 1.0/Jul.00

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