参数资料
型号: M41ST87WMX6TR
厂商: STMICROELECTRONICS
元件分类: 时钟/数据恢复及定时提取
英文描述: 1 TIMER(S), REAL TIME CLOCK, PDSO28
封装: 0.300 INCH, ROHS COMPLIANT, PLASTIC, SOX-28
文件页数: 38/48页
文件大小: 457K
代理商: M41ST87WMX6TR
M41ST87Y, M41ST87W
DC and AC parameters
Figure 27.
Power down/up mode AC waveforms
4.
Outputs deselected.
5.
External SRAM must match RTC supervisor chip VCC specification.
6.
For rechargeable backup, VBAT (max) may be considered VCC.
7.
For PFO1 and PFO2 (if PFOD = '0'), SQW/FT (if SQWOD = '0'), and TPCLR pins (CMOS).
8.
Conditioned output (ECON) can only sustain CMOS leakage current in the battery backup mode. Higher leakage currents
will reduce battery life.
9.
TPCLR output can source –300 A (typ) for VBAT = 2.9 V.
10. For IRQ/OUT, SQW/FT (if SQWOD = '1'), PFO1 and PFO2 (if PFOD = '1'), RST, SDA, and F32k pins (open drain).
AI07085
VCC
INPUTS
(PER CONTROL INPUT)
OUTPUTS
DON'T CARE
HIGH-Z
tF
tFB
tR
tPD
tRB
VALID
(PER CONTROL INPUT)
RECOGNIZED
VPFD (max)
VPFD (min)
VSO
trec
RST
ECON
PFO
VALID
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