- 您现在的位置：买卖IC网 > PDF目录381719 > DS1386P (Maxim Integrated Products, Inc.) RAMified Watchdog Timekeeper(带完整功能的实时时钟静态RAM) PDF资料下载
参数资料
| 型号： | DS1386P |
| 厂商： | Maxim Integrated Products, Inc. |
| 英文描述： | RAMified Watchdog Timekeeper(带完整功能的实时时钟静态RAM) |
| 中文描述： | RAMified看门狗计时器 |
| 文件页数： | 12/16页 |
| 文件大小： | 183K |
| 代理商： | DS1386P |
DS1386/DS1386P
070298 12/16
AC ELECTRICAL CHARACTERISTICS POWER–UP POWER–DOWN TIMING
PARAMETER
SYMBOL
(0
°
C to 70
°
C)
NOTES
MIN
MAX
UNITS
CE High to Power Fail
t
PF
0
ns
Recovery at Power Up
t
REC
200
ms
V
CC
Slew Rate
Power Down
t
F
4.0<V
CC
<4.5V
300
μ
s
V
Slew Rate
Power Down
t
FB
3.0<V
CC
<4.25V
10
μ
s
V
Slew Rate
Power Up
t
R
4.5V>V
CC
>4.0V
0
μ
s
Expected Data Retention
t
DR
10
years
9
WARNING:
Under no circumstances are negative undershoots, of any amplitude, allowed when device is in battery backup mode.
NOTES:
1. WE is high for a read cycle.
2. OE = V
IH
or V
IL
. If OE = V
IH
during write cycle, the output buffers remain in a high impedance state.
3. t
WP
is specified as the logical AND of the CE and WE. t
WP
is measured from the latter of CE or WE going low
to the earlier of CE or WE going high.
4. t
DS
or t
DH
are measured from the earlier of CE or WE going high.
5. t
DH
is measured from WE going high. If CE is used to terminate the write cycle, then t
DH
= 20 ns for –120 parts
and t
DH
= 25 ns for –150 parts.
6. If the CE low transition occurs simultaneously with or later than the WE low transition in Write Cycle 1, the output
buffers remain in a high impedance state during this period.
7. If the CE high transition occurs prior to or simultaneously with the WE high transition, the output buffers remain
in a high impedance state during this period.
8. If WE is low or the WE low transition occurs prior to or simultaneously with the CE low transition, the output buffers
remain in a high impedance state during this period.
9. Each DS1386 is marked with a four digit date code AABB. AA designates the year of manufacture. BB designates
the week of manufacture. The expected t
DR
is defined for DIP modules as starting at the date of manufacture.
10.All voltages are referenced to ground.
11. Applies to both interrupt pins when the alarms are set to pulse.
12.Interrupt output occurs within 100 ns on the alarm condition existing.
13.Both INTA and INTB(INTB) are open drain outputs.
14.Real–Time Clock Modules (DIP) can be successfully processed through conventional wave–soldering tech-
niques as long as temperature exposure to the lithium energy source contained within does not exceed +85
°
C.
Post solder cleaning with water washing techniques is acceptable, provided that ultrasonic vibration is not used.
In addition, for the PowerCap version:
a. Dallas Semiconductor recommends that PowerCap Module bases experience one pass through solder
reflow oriented with the label side up (“live – bug”).
b. Hand Soldering and touch – up: Do not touch or apply the soldering iron to leads for more than 3 (three)
seconds. To solder, apply flux to the pad, heat the lead frame pad and apply solder. To remove the part,
apply flux, heat the lead frame pad until the solder reflows and use a solder wick to remove solder.
相关PDF资料 |
PDF描述 |
|---|---|
| DS1388Z-3 | The CAT24FC02 is a 2-kb Serial CMOS EEPROM internally organized as 256 words of 8 bits each |
| DS1390-DS1393 | RIBBON CABLE, 34WAY, PER M; Cores, No. of:34; Conductor make-up:7/36AWG; Wire size, AWG:28AWG; Impedance:119R; Pitch:1.27mm; Voltage rating, AC:50V; Colour:Grey; Capacitance:70.5pF/m; Approval Bodies:UL; Approval category:Style RoHS Compliant: Yes |
| DS1390U-18 | RIBBON CABLE, 40WAY, PER M; Cores, No. of:40; Conductor make-up:7/36AWG; Wire size, AWG:28AWG; Impedance:119R; Pitch:1.27mm; Voltage rating, AC:50V; Colour:Grey; Capacitance:70.5pF/m; Approval Bodies:UL; Approval category:Style RoHS Compliant: Yes |
| DS1390 | Low-Voltage SPI/3-Wire RTCs with Trickle Charger |
| DS1392U-33 | Low-Voltage SPI/3-Wire RTCs with Trickle Charger |
相关代理商/技术参数 |
参数描述 |
|---|---|
| DS1386P08-120 | 制造商:DALLAS 制造商全称:Dallas Semiconductor 功能描述:RAMified Watchdog Timekeeper |
| DS1386P08-150 | 制造商:未知厂家 制造商全称:未知厂家 功能描述:Real-Time Clock |
| DS1386P-32-120 | 功能描述:IC TIMEKEEPER RAM 256K 32-PCM RoHS:否 类别:集成电路 (IC) >> 时钟/计时 - 实时时钟 系列:- 产品培训模块:Obsolescence Mitigation Program 标准包装:1 系列:- 类型:时钟/日历 特点:警报器，闰年，SRAM 存储容量:- 时间格式:HH:MM:SS（12/24 小时） 数据格式:YY-MM-DD-dd 接口:SPI 电源电压:2 V ~ 5.5 V 电压 - 电源，电池:- 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:8-WDFN 裸露焊盘 供应商设备封装:8-TDFN EP 包装:管件 |
| DS1386P32-120 | 制造商:DALLAS 制造商全称:Dallas Semiconductor 功能描述:RAMified Watchdog Timekeeper |
| DS1386P-32-120+ | 功能描述:实时时钟 RoHS:否 制造商:Microchip Technology 功能:Clock, Calendar. Alarm RTC 总线接口:I2C 日期格式:DW:DM:M:Y 时间格式:HH:MM:SS RTC 存储容量:64 B 电源电压-最大:5.5 V 电源电压-最小:1.8 V 最大工作温度:+ 85 C 最小工作温度: 安装风格:Through Hole 封装 / 箱体:PDIP-8 封装:Tube |
发布紧急采购，3分钟左右您将得到回复。