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參數(shù)資料
| 型號(hào)： | LTC1694 |
| 廠商： | Linear Technology Corporation |
| 英文描述： | SMBus/I 2 C Accelerator(SMBus/I 2 C加速器) |
| 中文描述： | 的SMBus /的I 2 C加速器（的SMBus /的I 2 C加速器） |
| 文件頁數(shù)： | 7/8頁 |
| 文件大小： | 149K |
| 代理商： | LTC1694 |
7
LTC1694
0.95
(0.037)
REF
1.50 – 1.75
(0.059 – 0.069)
0.35 – 0.55
(0.014 – 0.022)
0.35 – 0.50
(0.014 – 0.020)
FIVE PLACES (NOTE 2)
S5 SOT-23 0599
2.80 – 3.00
(0.110 – 0.118)
(NOTE 3)
1.90
(0.074)
REF
0.90 – 1.45
(0.035 – 0.057)
0.90 – 1.30
(0.035 – 0.051)
0.00 – 0.15
(0.00 – 0.006)
0.09 – 0.20
(0.004 – 0.008)
(NOTE 2)
2.60 – 3.00
(0.102 – 0.118)
NOTE:
1. DIMENSIONS ARE IN MILLIMETERS
2. DIMENSIONS ARE INCLUSIVE OF PLATING
3. DIMENSIONS ARE EXCLUSIVE OF MOLD FLASH AND METAL BURR
4. MOLD FLASH SHALL NOT EXCEED 0.254mm
5. PACKAGE EIAJ REFERENCE IS SC-74A (EIAJ)
Dimensions in inches (millimeters) unless otherwise noted.
S5 Package
5-Lead Plastic SOT-23
(LTC DWG # 05-08-1633)
Information furnished by Linear Technology Corporation is believed to be accurate and reliable.
However, no responsibility is assumed for its use. Linear Technology Corporation makes no represen-
tation that the interconnection of its circuits as described herein will not infringe on existing patent rights.
ACK Data Setup Time
The data setup time requirement for ACK (acknowledge)
must be fulfilled if a high value of R
S
is used. An acknowl-
edge is accomplished by the SMBus host releasing the
SDA line (pulling high) at the end of the last bit sent and the
SMBus slave device pulling the SDA line low before the
rising edge of the ACK clock pulse.
The LTC1694 2.2mA boosted pull-up current is activated
when the SMBus host releases the SDA line, allowing the
voltage to rise above the LTC1694’s comparator threshold
of 0.65V. If an SMBus slave device has a high value of R
S
,
a longer time is required for this SMBus slave device to pull
SDA low before the rising edge of the ACK clock pulse.
To ensure sufficient data setup time for ACK, SMBus slave
devices, with high values of R
S
, should pull the SDA low
earlier. Typically, a minimum setup time of 1.5
μ
s is needed
for an SMBus device with an R
S
of 700
and a bus
capacitance of 200pF.
An alternative is that the SMBus slave device can hold SCL
line low until the SDA line reaches a stable state. Then, SCL
can be released to generate the ACK clock pulse.
APPLICATIOU
W
U
U
U
PACKAGE DESCRIPTIO
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| LTC1694-1CS5 | 制造商:Linear Technology 功能描述:SMBus/I2C Accelerator 5-Pin TSOT-23 |
| LTC1694-1CS5#PBF | 制造商:Linear Technology 功能描述:SMBus/I2C Accelerator 5-Pin TSOT-23 制造商:Linear Technology 功能描述:IC I2C / SMBUS ACCELERATOR 5 制造商:Linear Technology 功能描述:IC, I2C / SMBUS ACCELERATOR, 5SOT-23 |
| LTC1694-1CS5#TR | 功能描述:IC ACCEL SMBUS DUAL TSOT23-5 RoHS:否 類別:集成電路 (IC) >> 接口 - 專用 系列:- 特色產(chǎn)品:NXP - I2C Interface 標(biāo)準(zhǔn)包裝:1 系列:- 應(yīng)用:2 通道 I²C 多路復(fù)用器 接口:I²C，SM 總線 電源電壓:2.3 V ~ 5.5 V 封裝/外殼:16-TSSOP（0.173"，4.40mm 寬） 供應(yīng)商設(shè)備封裝:16-TSSOP 包裝:剪切帶 (CT) 安裝類型:表面貼裝 產(chǎn)品目錄頁面:825 (CN2011-ZH PDF) 其它名稱:568-1854-1 |
| LTC1694-1CS5#TRM | 功能描述:IC ACCEL SMBUS DUAL TSOT23-5 RoHS:否 類別:集成電路 (IC) >> 接口 - 專用 系列:- 特色產(chǎn)品:NXP - I2C Interface 標(biāo)準(zhǔn)包裝:1 系列:- 應(yīng)用:2 通道 I²C 多路復(fù)用器 接口:I²C，SM 總線 電源電壓:2.3 V ~ 5.5 V 封裝/外殼:16-TSSOP（0.173"，4.40mm 寬） 供應(yīng)商設(shè)備封裝:16-TSSOP 包裝:剪切帶 (CT) 安裝類型:表面貼裝 產(chǎn)品目錄頁面:825 (CN2011-ZH PDF) 其它名稱:568-1854-1 |
| LTC1694-1CS5#TRMPBF | 功能描述:IC ACCEL SMBUS DUAL TSOT23-5 RoHS:是 類別:集成電路 (IC) >> 接口 - 專用 系列:- 特色產(chǎn)品:NXP - I2C Interface 標(biāo)準(zhǔn)包裝:1 系列:- 應(yīng)用:2 通道 I²C 多路復(fù)用器 接口:I²C，SM 總線 電源電壓:2.3 V ~ 5.5 V 封裝/外殼:16-TSSOP（0.173"，4.40mm 寬） 供應(yīng)商設(shè)備封裝:16-TSSOP 包裝:剪切帶 (CT) 安裝類型:表面貼裝 產(chǎn)品目錄頁面:825 (CN2011-ZH PDF) 其它名稱:568-1854-1 |
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