參數(shù)資料
型號(hào)： DS17285S-3/T&R
廠商： Maxim Integrated Products
文件頁(yè)數(shù)： 9/31頁(yè)
文件大?。?/td> 0K
描述： IC RTC 3V 2K NV RAM 24-SOIC
產(chǎn)品培訓(xùn)模塊： Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
標(biāo)準(zhǔn)包裝： 1,000
類型： 時(shí)鐘/日歷
特點(diǎn)： 警報(bào)器，夏令時(shí)，閏年，NVSRAM，方波輸出
存儲(chǔ)容量： 2KB
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： 并聯(lián)
電源電壓： 2.7 V ~ 3.7 V
電壓 - 電源，電池： 2.5 V ~ 3.7 V
工作溫度： 0°C ~ 70°C
安裝類型： 表面貼裝
封裝/外殼： 24-SOIC（0.295"，7.50mm 寬）
供應(yīng)商設(shè)備封裝： 24-SOIC W
包裝： 帶卷 (TR)
Bit 7: Interrupt Request Flag (IRQF). This bit is set to
1 when any of the following are true:
PF = PIE = 1
WF = WIE = 1
AF = AIE = 1
KF = KSE = 1
UF = UIE = 1
RF = RIE = 1
Any time the IRQF bit is 1, the IRQ pin is driven low.
Flag bits PF, AF, and UF are cleared after reading
Register C.
Bit 6: Periodic Interrupt Flag (PF). This is a read-only
bit that is set to 1 when an edge is detected on the
selected tap of the divider chain. The RS3–RS0 bits
establish the periodic rate. PF is set to 1 independent
of the state of the PIE bit. When both PF and PIE are 1s,
the IRQ signal is active and sets the IRQF bit. Reading
Register C clears this bit.
Bit 5: Alarm Interrupt Flag (AF). A 1 in this bit indicates
that the current time has matched the alarm time. If the
AIE bit is also 1, the IRQ pin goes low and a 1 appears in
the IRQF bit. Reading Register C clears this bit.
Bit 4: Update-Ended Interrupt Flag (UF). This bit is
set after each update cycle. When the UIE bit is set to
1, the 1 in UF causes the IRQF bit to be 1, which
asserts IRQ. Reading Register C clears this bit.
Bits 3 to 0: Unused. These unused bits always read 0
and cannot be written.
DS17285/DS17287/DS17485/DS17487/DS17885/DS17887
Real-Time Clocks
____________________________________________________________________
17
BIT 7
BIT 6
BIT 5
BIT 4
BIT 3
BIT 2
BIT 1
BIT 0
IRQF
PF
AF
UF
0000
Register C (0Ch)
MSB
LSB
BIT 7
BIT 6
BIT 5
BIT 4
BIT 3
BIT 2
BIT 1
BIT 0
VRT
00
00000
Register D (0Dh)
MSB
LSB
Register D (0Dh)
Bit 7: Valid RAM and Time (VRT). This bit indicates
the condition of the battery connected to the VBAT and
VBAUX pin. If either supply is above the internal voltage
threshold, VRTTRIP, the bit will be high. This bit is not
writeable and should always be a 1 when read. If a 0 is
ever present, an exhausted internal lithium energy
source is indicated and both the contents of the RTC
data and RAM data are questionable.
Bits 6 to 0: Unused. These bits cannot be written and,
when read, always read 0.
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參數(shù)描述
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DS17285S-5+ 功能描述:實(shí)時(shí)時(shí)鐘 3V/5V RTC K Multiplexed Kick-S RoHS:否 制造商:Microchip Technology 功能:Clock, Calendar. Alarm RTC 總線接口:I2C 日期格式:DW:DM:M:Y 時(shí)間格式:HH:MM:SS RTC 存儲(chǔ)容量:64 B 電源電壓-最大:5.5 V 電源電壓-最小:1.8 V 最大工作溫度:+ 85 C 最小工作溫度: 安裝風(fēng)格:Through Hole 封裝 / 箱體:PDIP-8 封裝:Tube
DS17285S-5+T&R 制造商:Maxim Integrated Products 功能描述:REAL TIME CLOCK MULTIPLEXED 2KBYTE 24SOIC - Tape and Reel 制造商:Maxim Integrated Products 功能描述:Maxim Integrated DS17285S-5+T&R Real Time Clocks (RTC) 制造商:Maxim Integrated Products 功能描述:IC RTC 5V 2K NV RAM 24-SOIC
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