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参数资料
| 型号： | MAX7391CJWB |
| 厂商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分类： | 时钟产生/分配 |
| 英文描述： | 16 MHz, OTHER CLOCK GENERATOR, PDSO8 |
| 封装： | MO-187C-AA, MICRO, SOP-8 |
| 文件页数： | 6/12页 |
| 文件大小： | 594K |
| 代理商： | MAX7391CJWB |
MAX7391
Speed-Switching Clock Generator
with Power Fail
_______________________________________________________________________________________
3
ELECTRICAL CHARACTERISTICS (continued)
(Typical Application Circuit, VCC = +2.7V to +5.5V, TA = -40°C to +125°C, 1MHz to 16MHz output frequency range, typical values at
VCC = +5.0V, TA = +25°C, unless otherwise noted.) (Note 1)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
Clock Frequency Temperature
Coefficient
VCC = +5.0V (Note 2)
140
400
ppm/°C
Clock Frequency Supply Voltage
Coefficient
TA = +25
°C (Note 2)
0.67
1
%/V
CLOCK Duty Cycle
(Note 2)
45
50
55
%
CLOCK Output Jitter
Observation for 20s using a 500MHz
oscilloscope
310
ps
RMS
Output Rise Time
tR
CLOAD = 10pF, 10% to 90% of full scale
(Note 2)
2.5
7.0
ns
Output Fall Time
tF
CLOAD = 10pF, 90% to 10% of full scale
(Note 2)
2.5
7.5
ns
INTERNAL POWER-ON RESET
TA = +25°C
VTH
- 1.5%
VTH
+ 1.5%
VTH+
VCC rising, Table 1
TA = -40°C to
+125°C
VTH
- 2.5%
VTH
+ 2.5%
Reset Voltage
VTH-
VCC falling
0.98 x
VTH+
V
Reset Timeout Period
tRST
Figure 1
86
135
250
s
POWER FAIL
Power-Fail Select Threshold
VSEL
PFI input
0.65 x
VCC
0.85 x
VCC
V
VCC Monitoring Threshold
(Internal Threshold)
VITH
VCC rising
4.06
4.38
4.60
V
Internal Threshold Hysteresis
VIHYST
VCC falling
1.0
2
4.0
%VITH
PFI Monitoring Threshold
(External Threshold)
VETH
PFI rising
0.9
1.1
1.4
V
External Threshold Hysteresis
VEHYST
PFI falling
1.0
3.5
8.0
%VETH
Note 1: All parameters are tested at TA = +25°C. Specifications over temperature are guaranteed by design.
Note 2: Guaranteed by design. Not production tested.
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