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參數(shù)資料
| 型號(hào)： | DS4026S+JCN |
| 廠商： | Maxim Integrated Products |
| 文件頁(yè)數(shù)： | 10/14頁(yè) |
| 文件大?。?/td> | 0K |
| 描述： | IC OSC TCXO 20MHZ 16-SOIC |
| 產(chǎn)品培訓(xùn)模塊： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 標(biāo)準(zhǔn)包裝： | 45 |
| 類(lèi)型： | 溫度 - 補(bǔ)償晶體振蕩器（TCXO） |
| 頻率： | 20MHz |
| 電源電壓： | 3.135 V ~ 3.465 V |
| 電流 - 電源： | 1.5mA |
| 工作溫度： | -40°C ~ 85°C |
| 封裝/外殼： | 16-SOIC（0.295"，7.50mm 寬） |
| 包裝： | 管件 |
| 供應(yīng)商設(shè)備封裝： | 16-SOIC W |
| 安裝類(lèi)型： | 表面貼裝 |
| 產(chǎn)品目錄頁(yè)面： | 1434 (CN2011-ZH PDF) |
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DS4026
Note 1:
Typical values are at +25°C, nominal supply voltages, unless otherwise indicated.
Note 2:
Voltages referenced to ground.
Note 3:
Limits at -40°C are guaranteed by design and not production tested.
Note 4:
Specified with I2C bus inactive.
Note 5:
Guaranteed by design and not production tested.
Note 6:
Frequency stability vs. temperature is defined as (
ΔfMAX - ΔfMIN)/2.
Note 7:
Maximum power-supply variations to meet the specification are 5%.
Note 8:
Crystal vendor specification.
Note 9:
Holdover is defined as (fMAX - fMIN)/2 as measured within a 24-hour period. Warmup time = 1 hour.
Note 10: After this period, the first clock pulse is generated.
Note 11: A device must internally provide a hold time of at least 300ns for the SDA signal (referred to the VIH(MIN) of the SCL signal)
to bridge the undefined region of the falling edge of SCL.
Note 12: The maximum tHD:DAT need only be met if the device does not stretch the low period (tLOW) of the SCL signal.
Note 13: A fast-mode device can be used in a standard-mode system, but the requirement that tSU:DAT
≥ 250ns must then be met.
This is automatically the case if the device does not stretch the low period of the SCL signal. If such a device does not
stretch the low period of the SCL signal, it must output the next data bit to the SDA line tR(MAX) + tSU:DAT = 1000 + 250 =
1250ns before the SCL line is released.
Note 14: CB—total capacitance of one bus line in pF.
AC ELECTRICAL CHARACTERISTICS—I2C SERIAL INTERFACE (continued)
(VCC = 3.135V to 3.465V, TA = -40°C to +85°C, unless otherwise noted.) (Note 2)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
Capacitive Load for Each Bus
Line (Note 14)
CB
400
pF
Pulse Width of Spikes That Must
Be Suppressed by the Input
Filter
tSP
Fast mode
30
ns
10MHz to 51.84MHz TCXO
_______________________________________________________________________________________
5
Data Transfer on I2C Serial Bus
SDA
SCL
tHD:STA
tLOW
tHIGH
tR
tF
tBUF
tHD:DAT
tSU:DAT
REPEATED
START
tSU:STA
tHD:STA
tSU:STO
tSP
STOP
START
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