參數(shù)資料
型號: M41ST85Y-85MH6TR
廠商: STMICROELECTRONICS
元件分類: 時鐘/數(shù)據(jù)恢復(fù)及定時提取
英文描述: 1 TIMER(S), REAL TIME CLOCK, PDSO28
封裝: 0.330 INCH, SNAPHAT, PLASTIC, SOH-28
文件頁數(shù): 18/32頁
文件大?。?/td> 171K
代理商: M41ST85Y-85MH6TR
25/32
M41ST85Y, M41ST85W
Table 11. Operating Modes
Note: X = VIH or VIL.
7. See Table 10, page 24 for details.
Table 12. Crystal Electrical Characteristics
Note: These are externally supplied
1. Load capacitors are integrated within the M41ST85Y/W. Circuit board layout considerations for the 32.768 kHz crystal of minimum
trace lengths and isolation from RF generating signals should be taken into account.
ST Microelectronics recommends the KDS DT-38 Tuning Fork Type (thru-hole) or DMX-26 (SMD) quartz crystal for industrial tem-
perature operations.
KDS can be contacted at kouhou@kdsj.co.jp or http://www.kdsj.co.jp for further information on this crystal type.
Mode
VCC
E
G
W
DQ0-DQ7
Power
Deselect
4.5 to 5.5V
or
3.0 to 3.6V
VIH
X
High Z
Standby
Write
VIL
X
VIL
DIN
Active
Read
VIL
VIH
DOUT
Active
Read
VIL
VIH
High Z
Active
Deselect
VSO to VPFD (min)
(1)
X
High Z
CMOS Standby
Deselect
≤ VSO (1)
X
High Z
Battery Back-up Mode
Symbol
Parameter
Typ
Min
Max
Unit
f0
Resonant Frequency
32.768
kHz
RS
Series Resistance
60
k
CL
(1)
Load Capacitance
12.5
pF
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