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| 型号： | SN74ABTE16245DGG |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | 总线收发器 |
| 英文描述： | ABTE/ETL SERIES, DUAL 8-BIT TRANSCEIVER, TRUE OUTPUT, PDSO48 |
| 封装： | TSSOP-48 |
| 文件页数： | 1/9页 |
| 文件大小： | 128K |
| 代理商： | SN74ABTE16245DGG |
SN54ABTE16245, SN74ABTE16245
16-BIT INCIDENT-WAVE SWITCHING BUS TRANSCEIVERS
WITH 3-STATE OUTPUTS
SCBS226G – JULY 1993 – REVISED JUNE 1999
1
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
D Members of the Texas Instruments
Widebus
Family
D State-of-the-Art EPIC-ΙΙB BiCMOS Design
Significantly Reduces Power Dissipation
D Support the VME64 ETL Specification
D Reduced, TTL-Compatible, Input Threshold
Range
D High-Drive Outputs (IOH = –60 mA,
IOL = 90 mA) Support 25- Incident-Wave
Switching
D VCCBIAS Pin Minimizes Signal Distortion
During Live Insertion
D Internal Pullup Resistor on OE Keeps
Outputs in High-Impedance State During
Power Up or Power Down
D Distributed VCC and GND Pin Configuration
Minimizes High-Speed Switching Noise
D Equivalent 25- Series Damping Resistor
on B Port
D Bus Hold on Data Inputs Eliminates the
Need for External Pullup/Pulldown
Resistors
D Package Options Include Plastic Shrink
Small-Outline (DL) and Thin Shrink
Small-Outline (DGG) Packages and 380-Mil
Fine-Pitch Ceramic Flat (WD) Packages
Using 25-mil Center-to-Center Spacings
description
The ’ABTE16245 devices are 16-bit (dual-octal) noninverting 3-state transceivers designed for synchronous
two-way communication between data buses. The control-function implementation minimizes external timing
requirements. These devices can be used as two 8-bit transceivers or one 16-bit transceiver. They allow data
transmission from the A bus to the B bus or from the B bus to the A bus, depending on the logic level at the
direction-control (DIR) input. The output-enable (OE) input can be used to disable the device so that the buses
are effectively isolated. When OE is low, the device is active.
The B port has an equivalent 25-
series output resistor to reduce ringing. Active bus-hold inputs are also on
the B port to hold unused or floating inputs at a valid logic level.
The A port provides for the precharging of the outputs via VCCBIAS, which establishes a voltage between 1.3 V
and 1.7 V when VCC is not connected.
The SN54ABTE16245 is characterized for operation over the full military temperature range of –55
°C to 125°C.
The SN74ABTE16245 is characterized for operation from –40
°C to 85°C.
Copyright
1999, Texas Instruments Incorporated
PRODUCTION DATA information is current as of publication date.
Products conform to specifications per the terms of Texas Instruments
standard warranty. Production processing does not necessarily include
testing of all parameters.
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
Widebus and EPIC-
ΙΙB are trademarks of Texas Instruments Incorporated.
SN54ABTE16245 . . . WD PACKAGE
SN74ABTE16245 . . . DGG OR DL PACKAGE
(TOP VIEW)
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1DIR
1B1
2B1
GND
1B2
2B2
VCC
1B3
2B3
GND
1B4
2B4
1B5
2B5
GND
1B6
2B6
VCC
1B7
2B7
GND
1B8
2B8
2DIR
VCCBIAS
1A1
2A1
GND
1A2
2A2
VCC
1A3
2A3
GND
1A4
2A4
1A5
2A5
GND
1A6
2A6
VCC
1A7
2A7
GND
1A8
2A8
OE
On products compliant to MIL-PRF-38535, all parameters are tested
unless otherwise noted. On all other products, production
processing does not necessarily include testing of all parameters.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| SN74ABTE16245DGGR | 功能描述:总线收发器 16-bit Incident-Wave Switching Bus Trncvr RoHS:否 制造商:Fairchild Semiconductor 逻辑类型:CMOS 逻辑系列:74VCX 每芯片的通道数量:16 输入电平:CMOS 输出电平:CMOS 输出类型:3-State 高电平输出电流:- 24 mA 低电平输出电流:24 mA 传播延迟时间:6.2 ns 电源电压-最大:2.7 V, 3.6 V 电源电压-最小:1.65 V, 2.3 V 最大工作温度:+ 85 C 封装 / 箱体:TSSOP-48 封装:Reel |
| SN74ABTE16245DL | 功能描述:总线收发器 16-bit Incident-Wave Switching Bus Trncvr RoHS:否 制造商:Fairchild Semiconductor 逻辑类型:CMOS 逻辑系列:74VCX 每芯片的通道数量:16 输入电平:CMOS 输出电平:CMOS 输出类型:3-State 高电平输出电流:- 24 mA 低电平输出电流:24 mA 传播延迟时间:6.2 ns 电源电压-最大:2.7 V, 3.6 V 电源电压-最小:1.65 V, 2.3 V 最大工作温度:+ 85 C 封装 / 箱体:TSSOP-48 封装:Reel |
| SN74ABTE16245DL | 制造商:Texas Instruments 功能描述:Specialty Logic IC |
| SN74ABTE16245DLG4 | 功能描述:总线收发器 16-bit Incident-Wave Switching Bus Trncvr RoHS:否 制造商:Fairchild Semiconductor 逻辑类型:CMOS 逻辑系列:74VCX 每芯片的通道数量:16 输入电平:CMOS 输出电平:CMOS 输出类型:3-State 高电平输出电流:- 24 mA 低电平输出电流:24 mA 传播延迟时间:6.2 ns 电源电压-最大:2.7 V, 3.6 V 电源电压-最小:1.65 V, 2.3 V 最大工作温度:+ 85 C 封装 / 箱体:TSSOP-48 封装:Reel |
| SN74ABTE16245DLR | 功能描述:总线收发器 16-bit Incident-Wave Switching Bus Trncvr RoHS:否 制造商:Fairchild Semiconductor 逻辑类型:CMOS 逻辑系列:74VCX 每芯片的通道数量:16 输入电平:CMOS 输出电平:CMOS 输出类型:3-State 高电平输出电流:- 24 mA 低电平输出电流:24 mA 传播延迟时间:6.2 ns 电源电压-最大:2.7 V, 3.6 V 电源电压-最小:1.65 V, 2.3 V 最大工作温度:+ 85 C 封装 / 箱体:TSSOP-48 封装:Reel |
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