欧美成人免费电影,国产欧美一区二区三区精品酒店,精品国产a毛片,色网在线免费观看

參數(shù)資料
型號(hào): DS17487BN-3
英文描述: 3V/5V Real-Time Clock
中文描述: 3V/5V實(shí)時(shí)時(shí)鐘
文件頁(yè)數(shù): 1/38頁(yè)
文件大小: 427K
代理商: DS17487BN-3
1 of 38
050802
FEATURES
Incorporates industry standard DS1287 PC clock
plus enhanced features:
Y2K compliant
+3V or +5V operation
SMI recovery stack
64-bit silicon serial number
Power-control circuitry supports system
power-on from date/time alarm or key
closure
32kHz output on power-up
Crystal select bit allows RTC to operate with
6pF or 12.5pF crystal
114 bytes user NV RAM
Auxiliary battery input
4kB additional NV RAM
RAM clear input
Century register
Date alarm register
Compatible with existing BIOS for original
DS1287 functions
Available as chip (DS17485) or standalone
module with embedded battery and crystal
(DS17487)
Timekeeping algorithm includes leap-year
compensation valid up to 2100
Underwriters Laboratory (UL) recognized
TYPICAL OPERATING CIRCUIT
PIN ASSIGNMENT
PWR
NC
1
2
3
4
5
6
7
8
9
10
11
12
23
22
21
20
19
18
17
16
15
14
13
DS17487 24-Pin
Encapsulated Package
NC
AD0
AD1
AD2
AD3
AD4
AD5
AD6
AD7
GND
V
CC
SQW
V
BAUX
RCLR
NC
IRQ
KS
RD
NC
WR
ALE
CS
24
PWR
X1
1
2
3
4
5
6
7
8
9
10
11
12
23
22
21
20
19
18
17
16
15
14
13
DS17485 24-Pin DIP
DS17485S 24-Pin SO
X2
AD1
AD2
AD3
AD4
AD5
AD6
AD7
GND
V
CC
SQW
V
BAUX
RCLR
V
BAT
IRQ
KS
RD
GND
WR
ALE
CS
24
AD0
V
BAT
RCLR
V
BAUX
SQW
V
CC
V
PWR
X1
X2
NC
ADO
AD1
AD2
IRQ
1
2
3
4
5
6
7
8
9
28
27
26
25
24
23
22
21
20
19
18
17
16
15
KS
RD
GND
WR
ALE
CS
GND
GND
AD7
AD6
NC
AD5
AD4
AD3
10
11
12
13
14
DS17485E 28-Pin TSOP
DS17485/DS17487
3V/5V Real-Time Clock
www.maxim-ic.com
相關(guān)PDF資料
PDF描述
DS17487BN-5 3V/5V Real-Time Clock
DS17487N-3 3V/5V Real-Time Clock
DS17487N-5 49.9 1% 1/4W 1206
DS17486 3V/5V Real-Time Clock
DS17488 3V/5V Real-Time Clock
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
DS17487BN-5 制造商:DALLAS 制造商全稱:Dallas Semiconductor 功能描述:3V/5V Real-Time Clock
DS17487N-3 功能描述:IC RTC 3V 4K NV RAM 24-EDIP RoHS:否 類(lèi)別:集成電路 (IC) >> 時(shí)鐘/計(jì)時(shí) - 實(shí)時(shí)時(shí)鐘 系列:- 產(chǎn)品培訓(xùn)模塊:Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:1 系列:- 類(lèi)型:時(shí)鐘/日歷 特點(diǎn):警報(bào)器,閏年,SRAM 存儲(chǔ)容量:- 時(shí)間格式:HH:MM:SS(12/24 小時(shí)) 數(shù)據(jù)格式:YY-MM-DD-dd 接口:SPI 電源電壓:2 V ~ 5.5 V 電壓 - 電源,電池:- 工作溫度:-40°C ~ 85°C 安裝類(lèi)型:表面貼裝 封裝/外殼:8-WDFN 裸露焊盤(pán) 供應(yīng)商設(shè)備封裝:8-TDFN EP 包裝:管件
DS17487N-5 制造商:DALLAS 制造商全稱:Dallas Semiconductor 功能描述:3V/5V Real-Time Clock
DS17488 制造商:DALLAS 制造商全稱:Dallas Semiconductor 功能描述:3V/5V Real-Time Clock
DS1750Y-150 制造商:未知廠家 制造商全稱:未知廠家 功能描述:NVRAM (Battery Based)
主站蜘蛛池模板: 千阳县| 滕州市| 雅安市| 榕江县| 德安县| 罗田县| 马边| 阿巴嘎旗| 泗水县| 平舆县| 徐汇区| 东港市| 达孜县| 余庆县| 饶河县| 庆阳市| 文安县| 北川| 皮山县| 萍乡市| 榆林市| 天气| 册亨县| 阿勒泰市| 华蓥市| 香格里拉县| 西昌市| 青神县| 禹州市| 谷城县| 庆元县| 凤山市| 东莞市| 宁陕县| 大余县| 兴安盟| 金昌市| 施甸县| 兴文县| 兴义市| 凤山县|