Datasheet > HMNR28DV

HMNR28DV

更新时间： 2024-02-25 01:13:12

品牌	Logo	应用领域
DLGHANBIT		静态存储器
页数	文件大小	规格书
11页	836K
描述
5.0 or 3.3V, 16K bit (2 Kbit x 8) TIMEKEEPER NVSRAM

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HMNR28DV 数据手册

DLGHANBIT

DLGHANBIT Confidential

HMNR28D(V)

5.0 or 3.3V, 16K bit (2 Kbit x 8) TIMEKEEPER NVSRAM

Part No. HMNR28D(V)

GENERAL DESCRIPTION

The HMNR28D(V) TIMEKEEPER SRAM is a 2Kb x 8 non-volatile static RAM and real time clock organized as 2,048

words by 8 bits. The special DIP package provides a fully integrated battery back-up memory and real time clock solution.

The HMNR28D(V) directly replaces industry standard 2Kbit x 8 SRAMs. It also provides the non-volatility of Flash without

any requirement for special WRITE timing or limitations on the number of WRITEs that can be performed.

FEATURES

■ INTEGRATED LOW POWER SRAM, REAL TIME CLOCK, POWER-FAIL CONTROL CIRCUIT, BATTERY and

CRYSTAL

■ BCD CODED YEAR, MONTH, DAY, DATE, HOURS, MINUTES, and SECONDS

■ AUTOMATIC POWER-FAIL CHIP DESELECT and WRITE PROTECTION VOLTAGES :

(V_PFD= Power-fail Deselect Voltage)

– HMNR28D : V_CC= 4.5 to 5.5V

4.1V ≤ V_PFD≤ 4.5V

– HMNR28DV: V_CC= 3.0 to 3.6V

2.7V ≤ V_PFD≤ 3.0V

■ CONVENTIONAL SRAM OPERATION : UNLIMITED WRITE CYCLES

■ SOFTWARE CONTROLLED CLOCK CALIBRATION FOR HIGH ACCURACY APPLICATIONS

■ 5 YEARS OF DATA RETENTION and CLOCK OPERATION IN THE ABSENCE OF POWER PIN and FUNCTION

COMPATIBLE WITH INDUSTRY STANDARD 2K x 8 SRAMS

■ SELF-CONTAINED BATTERY and CRYSTAL IN DIP PACKAGE

OPTIONS

 Timing

70 ns

MARKING

PIN ASSIGNMENT

-70

-85

DQ0

DQ1

DQ2

Vss

Vcc

85 ns

/WE

/OE

A10

/CE

DQ7

DQ6

DQ5

DQ4

DQ3

24-pin Encapsulated Package

URL : www.dlghb.co.kr

Rev. 1.3 (Apr, 2009)

DLG HANBIT Co.,Ltd

12 3 4 5 6 7...11

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与HMNR28DV相关器件

型号	品牌	获取价格	描述	数据表
HMNR28DV-70	HANBIT	获取价格	5.0 or 3.3V, 16K bit (2 Kbit x 8) TIMEKEEPER NVSRAM
HMNR28DV-70I	HANBIT	获取价格	5.0 or 3.3V, 16K bit (2 Kbit x 8) TIMEKEEPER NVSRAM
HMNR28DV-85	HANBIT	获取价格	5.0 or 3.3V, 16K bit (2 Kbit x 8) TIMEKEEPER NVSRAM
HMNR28DV-85I	HANBIT	获取价格	5.0 or 3.3V, 16K bit (2 Kbit x 8) TIMEKEEPER NVSRAM
HMNR28DVLF-70	DLGHANBIT	获取价格	5.0 or 3.3V, 16K bit (2 Kbit x 8) TIMEKEEPER NVSRAM
HMNR28DVLF-85	DLGHANBIT	获取价格	5.0 or 3.3V, 16K bit (2 Kbit x 8) TIMEKEEPER NVSRAM
HMNR28V	HANBIT	获取价格	5.0 or 3.3V, 16K bit (2 Kbit x 8) TIMEKEEPER NVSRAM
HMNR328D	HANBIT	获取价格	5.0 or 3.3V, 256K bit (32 Kbit x 8) TIMEKEEPER NVSRAM
HMNR328D-100	HANBIT	获取价格	5.0 or 3.3V, 256K bit (32 Kbit x 8) TIMEKEEPER NVSRAM
HMNR328D-100I	HANBIT	获取价格	5.0 or 3.3V, 256K bit (32 Kbit x 8) TIMEKEEPER NVSRAM