 |
Electronic Components Datasheet Search |
|
|
Electronic Components Datasheet Search |
|
DS1743W-150 Datasheet(PDF) 1 Page - Dallas Semiconductor |
|
||||||||||||||||||||||||||||||
DS1743W-150 Datasheet(HTML) 1 Page - Dallas Semiconductor |
|
|
1 / 17 page  1 of 17 022301 FEATURES Integrated NV SRAM, real time clock, crystal, power- fail control circuit and lithium energy source Clock registers are accessed identical to the static RAM. These registers are resident in the eight top RAM locations. Century byte register Totally nonvolatile with over 10 years of operation in the absence of power BCD coded century, year, month, date, day, hours, minutes, and seconds with automatic leap year compensation valid up to the year 2100 Battery voltage level indicator flag Power-fail write protection allows for ±10% V CC power supply tolerance Lithium energy source is electrically disconnected to retain freshness until power is applied for the first time DIP Module only – Standard JEDEC bytewide 8k x 8 static RAM pinout PowerCap Module Board only – Surface mountable package for direct connection to PowerCap containing battery and crystal – Replaceable battery (PowerCap) – Power-On Reset Output – Pin for pin compatible with other densities of DS174XP Timekeeping RAM ORDERING INFORMATION DS1743P-XXX (5V) -70 70 ns access -100 100 ns access blank 28-pin DIP Module P 34-pin PowerCap Module board* *DS1743WP-XXX (3.3V) -120 120 ns access -150 150 ns access blank 28-pin DIP Module P 34-pin PowerCap Module board* *DS9034PCX (PowerCap) Required: (must be ordered separately) PIN ASSIGNMENT PIN DESCRIPTION A0-A12 - Address Input CE - Chip Enable CE2 - Chip Enable 2 (DIP Module only) OE - Output Enable WE - Write Enable VCC - Power Supply Input GND - Ground DQ0-DQ7 - Data Input/Output NC - No Connection RST - Power-On Reset Output (PowerCap Module board only) X1, X2 - Crystal Connection VBAT - Battery Connection DS1743/DS1743P Y2KC Nonvolatile Timekeeping RAM www.dalsemi.com VCC WE CE2 A8 A9 A11 OE A10 CE DQ7 DQ6 DQ5 DQ4 DQ3 1 2 3 4 5 6 7 8 9 10 11 12 13 14 NC A12 A7 A6 A5 A4 A3 A2 A1 A0 DQ0 DQ1 DQ2 GND 28 27 26 25 24 23 22 21 20 19 18 17 16 15 28-Pin Encapsulated Package (700-mil Extended) 1 NC 2 3 NC NC RST VCC WE OE CE DQ7 DQ6 DQ5 DQ4 DQ3 DQ2 DQ1 DQ0 GND 4 5 6 7 8 9 10 11 12 13 14 15 16 17 NC NC 33 32 31 30 29 28 27 26 25 24 23 22 21 20 19 18 NC A12 A11 A10 A9 A8 A7 A6 A5 A4 A3 A2 A1 A0 34 NC X1 GND VBAT X2 34-Pin Powercap Module Board (Uses DS9034PCX Powercap) |
Similar Part No. - DS1743W-150 |
|
Similar Description - DS1743W-150 |
|
|
|
Link URL |
| Privacy Policy |
| ALLDATASHEET.NET |
| Does ALLDATASHEET help your business so far? [ DONATE ] |
About Alldatasheet | Advertisement | Contact us | Privacy Policy | Link Exchange | Manufacturer List All Rights Reserved©Alldatasheet.com |
| Russian : Alldatasheetru.com | Korean : Alldatasheet.co.kr | Spanish : Alldatasheet.es | French : Alldatasheet.fr | Italian : Alldatasheetit.com Portuguese : Alldatasheetpt.com | Polish : Alldatasheet.pl | Vietnamese : Alldatasheet.vn Indian : Alldatasheet.in | Mexican : Alldatasheet.com.mx | British : Alldatasheet.co.uk | New Zealand : Alldatasheet.co.nz |
|
Family Site : ic2ic.com |
icmetro.com |
English ▼
English
Chinese
German
Japanese
Russian
Korean
Spanish
French
Italian
Portuguese
Polish
Vietnamese
Indian
Mexican
British
New Zealand
