Datasheet > HMD4M64D16V

HMD4M64D16V

更新时间： 2022-04-23 23:00:11

品牌	Logo	应用领域
HANBIT		/
页数	文件大小	规格书
16页	522K
描述
32Mbyte(4Mx64) Fast Page Mode 4K Ref. 3.3V, DIMM 168 pin

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HMD4M64D16V 数据手册

HANBiT

HMD4M64D16V

32Mbyte(4Mx64) Fast Page Mode 4K Ref. 3.3V, DIMM 168 pin

Part No. HMD4M64D16V

GENERAL DESCRIPTION

The HMD4M64D16V is a 4Mx64bits Dynamic RAM high density memory module. The HMD4M64D16V consists of

sixteen CMOS 4Mx4bits DRAMs in SOJ/TSOP 400mil packages mounted on a 168-pin glass-epoxy substrate. A 0.1 or

0.22uF decoupling capacitor is mounted on the printed circuit board for each DRAM. The HMD4M64D16EV is a Dual In-

line Memory Module and is intended for mounting into 168 pin edge connector sockets

FEATURES

PERFORMANCE RANGE

SPEED

t_RAC

50ns

60ns

t_CAC

15ns

17ns

t_RC

t_HPC

20ns

25ns

w Part Identification

-5

-6

84ns

104ns

HMD4M64D16V --- 4KCycles/64ms Ref, Gold Plate Lead

w High-density 32MByte design

w New JEDEC standard proposal without buffer

w CAS-before-RAS Refresh capability

w RAS-only and Hidden refresh capability

w Single +3.3± 0.3V power supply

w Fast Page mode operation.

w Timing

50ns access

60ns access

w Packages

-5

-6

w LVTTL compatible inputs and outputs

w FR4-PCB design

w Access times : 50, 60ns

168-pin DIMM

PIN NAMES

Pin Name

A0-A11

Function

Pin Name

Function

Pin Name

Function

Ground

Address Input (4k ref)

Address Input (8k ref)

/RAS0, /RAS2 Row Address Strobe

Vss

A0-A12

/CAS0 - /CAS7 Column

Strobe

Address

No Connection

/W0,/W2

Read/Write Enable

Output Enable

SCL

Serial Clock

Vcc

Power (+3.3V)

/OE0,/OE2

Don't use

SDA

Serial Address /Data

I/O

SA0 – SA2

Address in EEPROM

CB0 - CB7

Check Bit

DQ0-DQ63 Data In/Out

When Used to Parity, SA0-SA2,SCL,CB0-CB7,SDA is setting. This Model not used.

URL:www.hbe.co.kr

- 1 -

HANBit Electronics Co.,Ltd.

REV.1.0.(August.2002)

12 3 4 5 6 7...16

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