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參數(shù)資料
| 型號： | 74GTL1655 |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | 16-BIT LVTTL-TO-GTL/GTL UNIVERSAL BUS TRANSCEIVERS WITH LIVE INSERTION |
| 中文描述： | 16位LVTTL-TO-GTL/GTL通用總線收發(fā)器與帶電插入 |
| 文件頁數(shù)： | 8/16頁 |
| 文件大?。?/td> | 266K |
| 代理商： | 74GTL1655 |
SN54GTL1655, SN74GTL1655
16-BIT LVTTL-TO-GTL/GTL+ UNIVERSAL BUS TRANSCEIVERS
WITH LIVE INSERTION
SCBS696E – JULY 1997 – REVISED NOVEMBER 1999
8
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
recommended operating conditions (see Notes 4 through 6)
SN54GTL1655
NOM
SN74GTL1655
NOM
UNIT
MIN
MAX
MIN
MAX
BIAS VCC
Supply voltage
3
3.3
3.6
3
3.3
3.6
V
VTT
Termination
voltage
GTL
1.14
1.2
1.26
1.14
1.2
1.26
V
GTL+
1.35
1.5
1.65
1.35
1.5
1.65
VREF
Supply voltage
GTL
0.74
0.8
0.87
0.74
0.8
0.87
V
GTL+
0.87
1
1.1
0.87
1
1.1
VI
Input voltage
B port
0
VTT
VCC
0
VTT
VCC
V
Except B port
0
0
B port
VREF+50 mV
VCC–0.6
VREF+50 mV
VCC–0.6
VIH
High-level
input voltage
VERC
Except B port
and ERC
VCC
VCC
V
2
2
B port
VREF–50 mV
0.6
VREF–50 mV
0.6
VIL
Low-level
input voltage
VERC
Except B port
and ERC
GND
GND
V
0.8
0.8
IIK
Input clamp current
–18
–18
mA
IOH
High-level
output current
A port
–24
mA
IOL
Low-level
output current
A port
24
mA
B port
100
t/
VCC
TA
NOTES:
Power-up ramp rate
200
200
μ
s/V
Operating free-air temperature
–55
125
–40
85
°
C
4. All unused inputs of the device must be held at VCC or GND to ensure proper device operation. Refer to the TI application report,
Implications of Slow or Floating CMOS Inputs literature number SCBA004.
5. Normal connection sequence is GND first, BIAS VCC = 3.3 V second, and VCC = 3.3 V, I/O, control inputs, VTT and VREF (any order)
last. However, if the B-port I/O precharge is not required, the acceptable connection sequence is GND first and VCC = 3.3 V,
BIAS VCC = 3.3 V, I/O, control inputs, VTT and VREF (any order) last. When VCC is connected, the BIAS VCC circuitry is disabled.
6. VTT and RTT can be adjusted to accommodate backplane impedances
as long as they do not exceed the DC absolute IOL ratings.
Similarly, VREF can be adjusted to optimize noise margins, but normally is 2/3 VTT.
PRODUCT PREVIEW information concerns products in the formative or
design phase of development. Characteristic data and other
specifications are design goals. Texas Instruments reserves the right to
change or discontinue these products without notice.
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| 74GTL1655A | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:16 BIT LVTTL TO GTL/GTL + UNIVERSAL BUS TRANSCEIVERS WITH LIVE INSERTION |
| 74GTL1655ATTR | 制造商:STMicroelectronics 功能描述: |
| 74GTL1655TTR | 功能描述:總線收發(fā)器 16-Bit Bus Transcvr RoHS:否 制造商:Fairchild Semiconductor 邏輯類型:CMOS 邏輯系列:74VCX 每芯片的通道數(shù)量:16 輸入電平:CMOS 輸出電平:CMOS 輸出類型:3-State 高電平輸出電流:- 24 mA 低電平輸出電流:24 mA 傳播延遲時間:6.2 ns 電源電壓-最大:2.7 V, 3.6 V 電源電壓-最小:1.65 V, 2.3 V 最大工作溫度:+ 85 C 封裝 / 箱體:TSSOP-48 封裝:Reel |
| 74GTL16612DGGRE4 | 功能描述:轉(zhuǎn)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(fēng)格:SMD/SMT 封裝 / 箱體:MLF-8 |
| 74GTL16612DGGRG4 | 功能描述:轉(zhuǎn)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(fēng)格:SMD/SMT 封裝 / 箱體:MLF-8 |
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