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參數(shù)資料
| 型號(hào)： | M48TMH1 |
| 廠商： | 意法半導(dǎo)體 |
| 英文描述： | 5V PC REAL TIME CLOCK |
| 中文描述： | 5V的電腦實(shí)時(shí)時(shí)鐘 |
| 文件頁(yè)數(shù)： | 7/23頁(yè) |
| 文件大?。?/td> | 163K |
| 代理商： | M48TMH1 |
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7/23
M48T86
Table 4. AC Measurement Conditions
Note that Output Hi-Z is defined as the point where data is no longer driven.
Table 5. Capacitance
(1, 2)
(T
A
= 25 °C, f = 1 MHz)
Symbol
Note: 1. Effective capacitance measured with power supply at 5V.
2. Sampled only, not 100% tested.
3. Outputs deselected.
Table 6. DC Characteristics (1)
(T
A
= 0 to 70 °C; V
CC
= 4.5V to 5.5V)
Symbol
Note: 1. Outputs deselected.
Input Rise and Fall Times
≤
5ns
Input Pulse Voltages
0 to 3V
Input and Output Timing Ref. Voltages
1.5V
Parameter
Test Condition
Min
Max
Unit
C
IN
Input Capacitance
V
IN
= 0V
7
pF
C
IO (3)
Input / Output Capacitance
V
OUT
= 0V
5
pF
Parameter
Test Condition
Min
Max
Unit
I
LI
(1)
Input Leakage Current
0V
≤
V
IN
≤
V
CC
±1
μA
I
LO
(1)
Output Leakage Current
0V
≤
V
OUT
≤
V
CC
±1
μA
I
CC
Supply Current
Outputs open
15
mA
V
IL
Input Low Voltage
–0.3
0.8
V
V
IH
Input High Voltage
2.2
V
CC
+ 0.3
V
V
OL
Output Low Voltage
I
OL
= 4mA
0.4
V
Output Low Voltage (IRQ)
I
OL
= 0.5mA
0.4
V
V
OH
Output High Voltage
I
OH
= –1mA
2.4
V
Figure 5. AC Testing Load Circuit
AI01644
5V
50pF
960
FOR ALL
OUTPUTS
EXCEPT IRQ
510
Figure 6. AC Testing Load Circuit
AI01645
5V
130pF
1.15k
IRQ
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