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參數(shù)資料
| 型號： | NVT2010BQ |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類： | 通用總線功能 |
| 英文描述： | Bidirectional voltage-level translator for open-drain and push-pull applications |
| 中文描述： | GTL TO TTL TRANSCEIVER, PQCC24 |
| 封裝： | 3.50 X 5.50 M, 0.85 MM HEIGHT, LEAD FREE, PLASTIC, SOT815-1, VQFN-24 |
| 文件頁數(shù)： | 11/26頁 |
| 文件大?。?/td> | 459K |
| 代理商： | NVT2010BQ |
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NVT2008_NVT2010
All information provided in this document is subject to legal disclaimers.
NXP B.V. 2010. All rights reserved.
Product data sheet
Rev. 1 — 8 September 2010
11 of 26
NXP Semiconductors
NVT2008; NVT2010
Bidirectional voltage-level translator
7.4.1.1
Example maximum frequency
Question —
We need to make the PLL area of a new line card backwards compatible and
need to need to convert one GTL signal to LVTTL, invert it, and convert it back to GTL.
The signal we want to convert is random in nature but will mostly be around 19 MHz with
very long periods of inactivity where either a HIGH or LOW state will be maintained. The
traces are 1 or 2 inches long with trace capacitance of about 2 pF per inch.
Answer —
The frequency of the NVT20xx is limited by the capacitance of the part, the
capacitance of the traces and the pull-up resistors used. The limiting case is probably the
LOW-to-HIGH transition in the GTL to LVTTL direction, and there the use of the lowest
acceptable resistor values will minimize the rise time delay. Assuming 50 pF capacitance
and 220
Ω
resistance, the RC time constant is 11 ns (50 pF
×
220
Ω
). With 19 MHz
corresponding to 50 ns period the NVT20xx will support this application.
8. Limiting values
Table 6.
In accordance with the Absolute Maximum Rating System (IEC 60134).
Over operating free-air temperature range.
Symbol
Parameter
V
ref(A)
reference voltage (A)
V
ref(B)
reference voltage (B)
V
I
input voltage
V
I/O
voltage on an input/output pin
I
ch
channel current (DC)
I
IK
input clamping current
I
OK
output clamping current
[2]
T
stg
storage temperature
[1]
The input and input/output negative voltage ratings may be exceeded if the input and input/output clamp
current ratings are observed.
[2]
Low duty cycle pulses, not DC because of heating.
9. Recommended operating conditions
Table 7.
Symbol
V
I/O
V
ref(A)
[1]
V
ref(B)
[1]
V
I(EN)
I
sw(pass)
T
amb
[1]
V
ref(A)
≤
V
ref(B)
1 V for best results in level shifting applications.
Limiting values
Conditions
Min
0.5
0.5
0.5
[1]
0.5
[1]
-
50
50
65
Max
+6
+6
+6
+6
128
-
+50
+150
Unit
V
V
V
V
mA
mA
mA
°
C
V
I
< 0 V
Operating conditions
Parameter
voltage on an input/output pin
reference voltage (A)
reference voltage (B)
input voltage on pin EN
pass switch current
ambient temperature
Conditions
An, Bn
VREFA
VREFB
Min
0
0
0
0
-
40
Max
5.5
5.4
5.5
5.5
64
+85
Unit
V
V
V
V
mA
°
C
operating in free-air
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相關(guān)代理商/技術(shù)參數(shù) |
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|---|---|
| NVT2010BQ,118 | 功能描述:轉(zhuǎn)換 - 電壓電平 +/-50mA 1.5ns 1-5.5V RoHS:否 制造商:Micrel 類型:CML/LVDS/LVPECL to LVCMOS/LVTTL 傳播延遲時(shí)間:1.9 ns 電源電流:14 mA 電源電壓-最大:3.6 V 電源電壓-最小:3 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:MLF-8 |
| NVT2010BS,115 | 功能描述:轉(zhuǎn)換 - 電壓電平 +/-50mA 1.5ns 1-5.5V RoHS:否 制造商:Micrel 類型:CML/LVDS/LVPECL to LVCMOS/LVTTL 傳播延遲時(shí)間:1.9 ns 電源電流:14 mA 電源電壓-最大:3.6 V 電源電壓-最小:3 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:MLF-8 |
| NVT2010BS,118 | 功能描述:轉(zhuǎn)換 - 電壓電平 BIDIRCTIONL VOLT-LVL TRANSL O-DRN P-P APP RoHS:否 制造商:Micrel 類型:CML/LVDS/LVPECL to LVCMOS/LVTTL 傳播延遲時(shí)間:1.9 ns 電源電流:14 mA 電源電壓-最大:3.6 V 電源電壓-最小:3 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:MLF-8 |
| NVT2010PW,118 | 功能描述:轉(zhuǎn)換 - 電壓電平 +/-50mA 1.5ns 1-5.5V RoHS:否 制造商:Micrel 類型:CML/LVDS/LVPECL to LVCMOS/LVTTL 傳播延遲時(shí)間:1.9 ns 電源電流:14 mA 電源電壓-最大:3.6 V 電源電壓-最小:3 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:MLF-8 |
| NVT210CDM3R2G | 功能描述:板上安裝溫度傳感器 TEMP SENSOR RoHS:否 制造商:Omron Electronics 輸出類型:Digital 配置: 準(zhǔn)確性:+/- 1.5 C, +/- 3 C 溫度閾值: 數(shù)字輸出 - 總線接口:2-Wire, I2C, SMBus 電源電壓-最大:5.5 V 電源電壓-最小:4.5 V 最大工作溫度:+ 50 C 最小工作溫度:0 C 關(guān)閉: 安裝風(fēng)格: 封裝 / 箱體: 設(shè)備功能:Temperature and Humidity Sensor |
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