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參數(shù)資料
| 型號： | M48T08-100PC1 |
| 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： | 0 TIMER(S), REAL TIME CLOCK, PDIP28 |
| 封裝： | 0.600 INCH, ROHS COMPLIANT, PLASTIC, PCDIP-28 |
| 文件頁數(shù)： | 14/31頁 |
| 文件大小： | 256K |
| 代理商： | M48T08-100PC1 |
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M48T08, M48T08Y, M48T18
DC and AC parameters
Table 9.
DC characteristics
Figure 12.
Power down/up mode AC waveforms
Note:
Inputs may or may not be recognized at this time. Caution should be taken to keep E1 high
or E2 low as VCC rises past VPFD (min). Some systems may perform inadvertent WRITE
cycles after VCC rises above VPFD (min) but before normal system operations begin. Even
though a power on reset is being applied to the processor, a reset condition may not occur
until after the system clock is running.
Symbol
Parameter
Test condition(1)
1.
Valid for ambient operating temperature: TA = 0 to 70°C; VCC = 4.75 to 5.5 V or 4.5 to 5.5 V (except where noted).
M48T08/M48T18/T08Y
Unit
Min
Max
ILI
Input leakage current
0V
≤ VIN ≤ VCC
±1
A
ILO
(2)
2.
Outputs deselected.
Output leakage current
0V
≤ VOUT ≤ VCC
±1
A
ICC
Supply current
Outputs open
80
mA
ICC1
(3)
3.
Measured with control bits set as follows: R = '1'; W, ST, FT = '0.'
Supply current (standby) TTL
E1 = VIH, E2 = VIL
3mA
ICC2
Supply current (standby) CMOS
E1 = VCC – 0.2V,
E2 = VSS + 0.2V
3mA
VIL
Input low voltage
–0.3
0.8
V
VIH
Input high voltage
2.2
VCC + 0.3
V
VOL
Output low voltage
IOL = 2.1 mA
0.4
V
Output low voltage (INT)(4)
4.
The INT pin is open drain.
IOL = 0.5 mA
0.4
V
VOH
Output high voltage
IOH = –1 mA
2.4
V
AI00566
VCC
INPUTS
INT
(PER CONTROL INPUT)
OUTPUTS
DON'T CARE
HIGH-Z
tF
tFB
tPFX
tR
tPFH
trec
tPD
tRB
tDR
VALID
NOTE
(PER CONTROL INPUT)
RECOGNIZED
VPFD (max)
VPFD (min)
VSO
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| M48T08-100PC1 | 制造商:STMicroelectronics 功能描述:SRAM TIMEKEEPER 64K 48T08 DIP28 |
| M48T08-100PC1E | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:64 Kbit 8Kb x 8 TIMEKEEPER SRAM |
| M48T08-100PC1F | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:64 Kbit 8Kb x 8 TIMEKEEPER SRAM |
| M48T08-100PC1TR | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:CMOS 8K x 8 TIMEKEEPER SRAM |
| M48T08-10MH1 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:64 Kbit 8Kb x 8 TIMEKEEPER SRAM |
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