參數(shù)資料
型號(hào)： M41T56MH6F
廠商： 意法半導(dǎo)體
英文描述： 512 bit (64 bit x8) Serial Access TIMEKEEPER SRAM
中文描述： 512位（64位× 8）串行SRAM的訪問(wèn)計(jì)時(shí)器
文件頁(yè)數(shù)： 16/24頁(yè)
文件大?。?/td> 346K
代理商： M41T56MH6F
M41T56
16/24
Table 7. DC Characteristics
Note: 1. Valid for Ambient Operating Temperature: T
A
= –40 to 85°C; V
CC
= 4.5 to 5.5V (except where noted).
2. STMicroelectronics recommends the RAYOVAC BR1225 or BR1632 (or equivalent) as the battery supply.
Table 8. Crystal Electrical Characteristics
Note: 1. These values are externally supplied if using the SO8 package. STMicroelectronics recommends the KDS DT-38: 1TA/
1TC252E127, Tuning Fork Type (thru-hole) or the DMX-26S: 1TJS125FH2A212, (SMD) quartz crystal for industrial temperature
operations. KDS can be contacted at kouhou@kdsj.co.jp or http://www.kdsj.co.jp for further information on this crystal type.
2. Load capacitors are integrated within the M41T56. 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.
3. All SNAPHAT battery/crystal tops meet these specifications.
Symbol
Parameter
Test Condition
(1)
Min
Typ
Max
Unit
I
LI
Input Leakage Current
0V
≤
V
IN
≤
V
CC
±1
μA
I
LO
Output Leakage Current
0V
≤
V
OUT
≤
V
CC
±1
μA
I
CC1
Supply Current
Switch Frequency = 100kHz
300
μA
I
CC2
Supply Current (Standby)
SCL, SDA = V
CC
– 0.3V
100
μA
V
IL
Input Low Voltage
–0.3
1.5
V
V
IH
Input High Voltage
3
V
CC
+ 0.8
V
V
OL
Output Low Voltage
I
OL
= 5mA, V
CC
= 4.5V
0.4
V
V
BAT(2)
Battery Supply Voltage
2.5
3
3.5
V
I
BAT
Battery Supply Current
T
A
= 25°C, V
CC
= 0V,
Oscillator ON, V
BAT
= 3V
450
550
nA
Symbol
Parameter
(1,2,3)
Min
Typ
Max
Unit
f
O
Resonant Frequency
32.768
kHz
R
S
Series Resistance
60
k
C
L
Load Capacitance
12.5
pF
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