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參數資料
| 型號： | 74GTL1655TTR |
| 元件分類： | 通用總線功能 |
| 英文描述： | BUS TRANSCEIVER|DUAL|8-BIT|BICMOS|TSSOP|64PIN|PLASTIC |
| 中文描述： | 總線收發器|雙| 8位| BICMOS工藝| TSSOP封裝| 64管腳|塑料 |
| 文件頁數： | 1/14頁 |
| 文件大小： | 110K |
| 代理商： | 74GTL1655TTR |
1/14
December 2001
I
HIGH SPEED GTL/GTL+ UNIVERSAL
TRANSCEIVER :
t
PD
= 4.6 ns (MAX.) A to B at V
CC
= 3V
COMBINES D-TYPE LATCHES AND D-TYPE
FLIP-FLOPS FOR OPERATION IN
TRANSPARENT, LATCHED, OR CLOCKED
MODE
I
OPERATING VOLTAGE RANGE:
V
CC
(OPR) = 3.0V to 3.6V
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SYMMETRICAL OUTPUT IMPEDANCE:
|I
OH
| = I
OL
=24mA (MIN) at V
CC
= 3V (A PORT)
I
OUTPUT IMPEDANCE:
I
OL
= 100mA (MIN) at V
CC
= 3V (B PORT)
HIGH-IMPEDANCE STATE DURING POWER
UP AND POWER DOWN up to Vcc=1.5V
PERMITT LIVE INSERTION
B-PORT PRECHARGED BY BIASVcc
REDUCE NOISE ON THE LINE DURING
LIVE INSERTION
EDGE RATE-CONTROL INPUT
CONFIGURES THE B-PORT OUTPUT RISE
AND FALL TIMES
BUS HOLD ON DATA INPUTS ELIMINATES
THE NEED FOR EXTERNAL PULL-UP/
PULL-DOWN RESISTORS (A PORT)
DISTRIBUTED VCC AND GND PIN
CONFIGURATION MINIMIZES HIGH-SPEED
SWITCHING NOISE IN PARALLEL
COMUNICATIONS .
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PIN AND FUNCTION COMPATIBLE WITH
74 SERIES 1655
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DESCRIPTION
The 74GTL1655 devices are 16-bit high-drive
(100mA), low-output-impedance universal bus
transceivers designed for backplane applications.
The 74GTL1655 devices provide live-insertion
capability for backplane applications by tolerating
active signals on the data ports when the devices
are powered off. In addition, a biasing pin
preconditions the GTL/GTL+ port to minimize
disruption to an active backplane.
The edge rate-control (V
ERC
) input is provided so
the rise and fall time of the B outputs can be
configured to optimize for various backplane
loading conditions. Data flow in each direction is
controlled by output-enable (OEAB and OEBA),
74GTL1655
16 BIT LVTTL TO GTL/GTL + UNIVERSAL BUS
TRANSCEIVERS WITH LIVE INSERTION
ORDER CODES
PACKAGE
TUBE
T & R
TSSOP
74GTL1655TTR
TSSOP
PIN CONNECTION
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相關代理商/技術參數 |
參數描述 |
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| 74GTL16612DGGRE4 | 功能描述:轉換 - 電壓電平 18B LVTTL-GTL/GTL Univ Bus Trans 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 |
| 74GTL16612DGGRG4 | 功能描述:轉換 - 電壓電平 18B LVTTL-to-GTL/GTL Univ Bus Xceivers 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 |
| 74GTL16616DGGRE4 | 功能描述:轉換 - 電壓電平 17B LVTTL-GTL/GTL Univ Bus Trans 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 |
| 74GTL16616DGGRG4 | 功能描述:轉換 - 電壓電平 17B LVTTL-To-GTL/GTL Univ Bus Xceivers 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 |
| 74GTL16622ADGGRE4 | 功能描述:轉換 - 電壓電平 18-Bit LVTTL To GTL/GTL+ Bus Trncvr 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 |
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