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參數(shù)資料
| 型號： | SN74GTLPH16612DGG |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | 18-BIT LVTTL-TO-GTLP UNIVERSAL BUS TRANSCEIVER |
| 中文描述： | 18位LVTTL至GTLP通用總線收發(fā)器 |
| 文件頁數(shù)： | 10/11頁 |
| 文件大小： | 166K |
| 代理商： | SN74GTLPH16612DGG |
SN74GTLPH16612
18-BIT LVTTL-TO-GTLP UNIVERSAL BUS TRANSCEIVER
SCES326 – MARCH 2000
10
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
DISTRIBUTED-LOAD BACKPLANE SWITCHING CHARACTERISTICS
The previous switching characteristics table shows the switching characteristics of the device into a lumped load
(Figure 2). However, the designer’s backplane application most likely is a distributed load, the physical representation
as shown in Figure 3. This backplane, or distributed load, can be closely approximated to an RLC circuit, as in
Figure 4. This device has been designed for optimum performance into this RLC circuit. The following switching
characteristics table shows the switching characteristics of the device into the RLC load, to help the designer better
understand the performance of the GTLP device in this typical backplane. See www.ti.com/sc/gtlp for more
information.
Drvr
1.5 V
.25”
2”
1”
1”
1.5 V
1”
1”
2”
.25”
Rcvr
Rcvr
Rcvr
Figure 3. Medium-Drive Test Backplane
Slot 1
Slot 2
Slot 9
Slot 10
Conn.
Conn.
Conn.
Conn.
Z0 = 70
3
3
From Output
Under Test
Test
Point
1.5 V
CL = 9 pF
19
LL = 19 nH
Figure 4. Medium-Drive RLC Network
switching characteristics over recommended ranges of supply voltage and operating free-air
temperature, V
TT
= 1.5 V and V
REF
= 1 V for GTLP (see Figure 4)
PARAMETER
FROM
(INPUT)
TO
(OUTPUT)
MIN
TYP
UNIT
fmax
85
MHz
A
3.6
tpd
LEAB
B
4.3
ns
CLKAB
4.4
ten
tdis
tr
tf
OEAB
B
4.1
ns
4.3
Rise time, B outputs (20% to 80%)
1.4
ns
Fall time, B outputs (80% to 20%)
2.1
ns
TI SPICE simulation data
All typical values are at VCC = 3.3 V, TA = 25
°
C.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| SN74GTLPH16612DL | 功能描述:轉(zhuǎn)換 - 電壓電平 18B LVTTL To GTLP Uni Bus Transceiver 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 |
| SN74GTLPH16612DLR | 功能描述:轉(zhuǎn)換 - 電壓電平 18B LVTTL To GTLP Uni Bus Transceiver 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 |
| SN74GTLPH16612GR | 功能描述:轉(zhuǎn)換 - 電壓電平 18B LVTTL To GTLP Uni Bus Transceiver 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 |
| SN74GTLPH16912GR | 功能描述:轉(zhuǎn)換 - 電壓電平 18-Bit LVTTL-to-GTLP Univ Bus Transceiver 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 |
| SN74GTLPH16912VR | 功能描述:總線收發(fā)器 18-Bit LVTTL-to-GTLP Univ Bus Transceiver 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(shí)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 |
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