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參數資料
| 型號： | GTL2000DGG |
| 廠商： | NXP Semiconductors N.V. |
| 元件分類： | 電壓/頻率轉換 |
| 英文描述： | 22-bit bi-directional low voltage translator |
| 封裝： | GTL2000DGG<SOT362-1 (TSSOP48)|<<http://www.nxp.com/packages/SOT362-1.html<1<Always Pb-free,;GTL2000DGG<SOT362-1 (TSSOP48)|<<http://www.nxp.com/packages/SOT362-1.html<1 |
| 文件頁數： | 5/13頁 |
| 文件大小： | 102K |
| 代理商： | GTL2000DGG |
Philips Semiconductors
Product data
GTL2000
22-bit bi-directional low voltage translator
2003 Apr 01
5
Uni-directional down translation
For uni-directional clamping, higher voltage to lower voltage, the G
REF
input must be connected to D
REF
and both pins pulled to the higher side
V
CC
through a pull-up resistor (typically 200 k
). A filter capacitor on D
REF
is recommended. Pull up resistors are required if the chipset I/O are
open drain. The opposite side of the reference transistor (S
REF
) is connected to the processor core supply voltage. When D
REF
is connected
through a 200 k
resistor to a 3.3 V to 5.5 V V
CC
supply and S
REF
is set between 1.0 V to V
CC
- 1.5 V, the output of each Sn has a maximum
output voltage equal to S
REF
.
1.8 V
200 K
GND
G
REF
D
REF
S
REF
S1
S2
D1
D2
1.5 V
1.2 V
1.0 V
SA00643
GTL2002
V
CORE
CPU I/O
CHIPSET I/O
TOTEM POLE I/O
TYPICAL UNI-DIRECTIONAL - HIGH TO LOW VOLTAGE TRANSLATION
5 V
V
CC
EASY MIGRATION TO
LOWER VOLTAGE AS
PROCESSOR GEOMETRY
SHRINKS.
Figure 2. Uni-directional down translation, to protect low voltage processor pins
Uni-directional up translation
For uni-directional up translation, lower voltage to higher voltage, the reference transistor is connected the same as for a down translation. A
pull-up resistor is required on the higher voltage side (Dn or Sn) to get the full high level, since the GTL-TVC device will only pass the reference
source (S
REF
) voltage as a high when doing an up translation. The driver on the lower voltage side only needs pull-up resistors if it is open
drain.
1.8 V
200 K
GND
G
REF
D
REF
S
REF
S1
S2
D1
D2
1.5 V
1.2 V
1.0 V
SA00644
GTL2002
V
CORE
CPU I/O
CHIPSET I/O
TOTEM POLE I/O
OR OPEN DRAIN
TYPICAL UNI-DIRECTIONAL - LOW TO HIGH VOLTAGE TRANSLATION
5 V
V
CC
EASY MIGRATION TO
LOWER VOLTAGE AS
PROCESSOR GEOMETRY
SHRINKS.
Figure 3. Uni-directional up translation, to higher voltage chip sets
相關PDF資料 |
PDF描述 |
|---|---|
| GTL2002D | 2-bit bidirectional low voltage translator |
| GTL2002DP | 2-bit bidirectional low voltage translator |
| GTL2002DC | 2-bit bidirectional low voltage translator |
| GTL2002GM | 2-bit bidirectional low voltage translator |
| GTL2003BQ | 8-bit bidirectional low voltage translator |
相關代理商/技術參數 |
參數描述 |
|---|---|
| GTL2000DGG,112 | 功能描述:轉換 - 電壓電平 GTL-TVC LVTTL 250 ps RoHS:否 制造商:Micrel 類型:CML/LVDS/LVPECL to LVCMOS/LVTTL 傳播延遲時間: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 安裝風格:SMD/SMT 封裝 / 箱體:MLF-8 |
| GTL2000DGG,118 | 功能描述:轉換 - 電壓電平 GTL-TVC LVTTL 250 ps RoHS:否 制造商:Micrel 類型:CML/LVDS/LVPECL to LVCMOS/LVTTL 傳播延遲時間: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 安裝風格:SMD/SMT 封裝 / 箱體:MLF-8 |
| GTL2000DGG,512 | 功能描述:轉換 - 電壓電平 22-BIT GTL VOLT CLMP RoHS:否 制造商:Micrel 類型:CML/LVDS/LVPECL to LVCMOS/LVTTL 傳播延遲時間: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 安裝風格:SMD/SMT 封裝 / 箱體:MLF-8 |
| GTL2000DGG,518 | 功能描述:轉換 - 電壓電平 22-BIT GTL VOLT CLMP TRNS RoHS:否 制造商:Micrel 類型:CML/LVDS/LVPECL to LVCMOS/LVTTL 傳播延遲時間: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 安裝風格:SMD/SMT 封裝 / 箱體:MLF-8 |
| GTL2000DGG-T | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:NXP bidirectional low-voltage translators |
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