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参数资料
| 型号： | 74VHC161284MTDX |
| 厂商： | Fairchild Semiconductor |
| 文件页数： | 1/11页 |
| 文件大小： | 0K |
| 描述： | TXRX BIDIRECT IEEE 48TSSOP |
| 标准包装： | 1 |
| 系列： | 74VHC |
| 逻辑类型： | IEEE STD 1284 转换收发器 |
| 电源电压： | 4.5 V ~ 5.5 V |
| 位数： | 8 |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 48-BSSOP（0.295"，7.50mm 宽） |
| 供应商设备封装： | 48-SSOP |
| 包装： | 标准包装 |
| 其它名称： | 74VHC161284MTDXFSDKR |
2005 Fairchild Semiconductor Corporation
DS500098
www.fairchildsemi.com
February 1998
Revised June 2005
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74VHC161284
IEEE 1284 Transceiver
General Description
The VHC161284 contains eight bidirectional data buffers
and eleven control/status buffers to implement a full
IEEE 1284 compliant interface. The device supports the
IEEE 1284 standard and is intended to be used in
Extended Capabilities Port mode (ECP). The pinout allows
for easy connection from the Peripheral (A-side) to the
Host (cable side).
Outputs on the cable side can be configured to be either
open drain or high drive (
r 14 mA). The pull-up and pull-
down series termination resistance of these outputs on the
cable side is optimized to drive an external cable. In addi-
tion, all inputs (except HLH) and outputs on the cable side
contain internal pull-up resistors connected to the VCC sup-
ply to provide proper termination and pull-ups for open
drain mode.
Outputs on the Peripheral side are standard LOW-drive
CMOS outputs. The DIR input controls data flow on the A1–
A8/B1–B8 transceiver pins.
Features
s Supports IEEE 1284 Level 1 and Level 2 signaling
standards for bidirectional parallel communications
between personal computers and printing peripherals
s Replaces the function of two (2) 74ACT1284 devices
s All inputs have hysteresis to provide noise margin
s B and Y output resistance optimized to drive external
cable
s B and Y outputs in high impedance mode during power
down
s Inputs and outputs on cable side have internal pull-up
resistors
s Flow-through pin configuration allows easy interface
between the Peripheral and Host
Ordering Code:
Surface mount packages are also available on Tape and Reel. Specify by appending the suffix letter “X” to the ordering code.
Logic Symbol
Connection Diagram
Ordering Number Package Number
Package Description
74VHC161284MEA
MS48A
48-Lead Small Shrink Outline Package (SSOP), JEDEC MO-118, 0.300" Wide
74VHC161284MTD
MTD48
48-Lead Thin Shrink Small Outline Package (TSSOP), JEDEC MO-153, 6.1mm Wide
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相关代理商/技术参数 |
参数描述 |
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| 74VHC161M | 功能描述:计数器移位寄存器 4-Bit Binary Counter RoHS:否 制造商:Texas Instruments 计数器类型: 计数顺序:Serial to Serial/Parallel 电路数量:1 封装 / 箱体:SOIC-20 Wide 逻辑系列: 逻辑类型: 输入线路数量:1 输出类型:Open Drain 传播延迟时间:650 ns 最大工作温度:+ 125 C 最小工作温度:- 40 C 封装:Reel |
| 74VHC161M_Q | 功能描述:计数器 IC 4-Bit Binary Counter RoHS:否 制造商:NXP Semiconductors 计数器类型:Binary Counters 逻辑系列:74LV 位数:10 计数法: 计数顺序: 工作电源电压:1 V to 5.5 V 工作温度范围:- 40 C to + 125 C 封装 / 箱体:SOT-109 封装:Reel |
| 74VHC161MTC | 功能描述:计数器移位寄存器 4-Bit Binary Counter RoHS:否 制造商:Texas Instruments 计数器类型: 计数顺序:Serial to Serial/Parallel 电路数量:1 封装 / 箱体:SOIC-20 Wide 逻辑系列: 逻辑类型: 输入线路数量:1 输出类型:Open Drain 传播延迟时间:650 ns 最大工作温度:+ 125 C 最小工作温度:- 40 C 封装:Reel |
| 74VHC161MTC_Q | 功能描述:计数器 IC 4-Bit Binary Counter RoHS:否 制造商:NXP Semiconductors 计数器类型:Binary Counters 逻辑系列:74LV 位数:10 计数法: 计数顺序: 工作电源电压:1 V to 5.5 V 工作温度范围:- 40 C to + 125 C 封装 / 箱体:SOT-109 封装:Reel |
| 74VHC161MTCX | 功能描述:计数器移位寄存器 4-Bit Binary Counter RoHS:否 制造商:Texas Instruments 计数器类型: 计数顺序:Serial to Serial/Parallel 电路数量:1 封装 / 箱体:SOIC-20 Wide 逻辑系列: 逻辑类型: 输入线路数量:1 输出类型:Open Drain 传播延迟时间:650 ns 最大工作温度:+ 125 C 最小工作温度:- 40 C 封装:Reel |
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