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參數(shù)資料
| 型號： | SN74FB2033KRCR |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | 8-BIT TTL/BTL REGISTERED TRANSCEIVER |
| 中文描述： | 8位TTL /橋接注冊收發(fā)器 |
| 文件頁數(shù)： | 2/14頁 |
| 文件大?。?/td> | 204K |
| 代理商： | SN74FB2033KRCR |
SN74FB2033K
8-BIT TTL/BTL REGISTERED TRANSCEIVER
SCBS472G
–
MAY 1994
–
REVISED SEPTEMBER 2001
2
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
description (continued)
Data flow in the B-to-A direction, regardless of the logic element selected, is further controlled by the
LOOPBACK input. When LOOPBACK is low, B-port data is the B-to-A input. When LOOPBACK is high, the
output of the selected A-to-B logic element (before inversion) is the B-to-A input.
The AO port-enable/-disable control is provided by OEA. When OEA is low or when V
CC
is less than 2.5 V, the
AO port is in the high-impedance state. When OEA is high, the AO port is active (high or low logic levels).
The B port is controlled by OEB and OEB. If OEB is low, or OEB is high, or when V
CC
is less than 2.5 V, the B port
is inactive. If OEB is high and OEB is low, the B port is active.
BG V
CC
and BG GND are the bias-generator reference inputs.
The A-to-B and B-to-A logic elements are active, regardless of the state of their associated outputs. The logic
elements can enter new data (in flip-flop and latch modes) or retain previously stored data while the associated
outputs are in the high-impedance (AO port) or inactive (B port) states.
Output clamps are provided on the BTL outputs to reduce switching noise. One clamp reduces inductive ringing
effects on V
OH
during a low-to-high transition. The other clamps out ringing below the BTL V
OL
voltage of 0.75 V.
Both of these clamps are active only during ac switching and do not affect the BTL outputs during steady-state
conditions.
BIAS V
CC
establishes a voltage between 1.62 V and 2.1 V on the BTL outputs when V
CC
is not connected.
ORDERING INFORMATION
TA
PACKAGE
ORDERABLE
PART NUMBER
TOP-SIDE
MARKING
0
°
C to 70
°
C
Package drawings, standard packing quantities, thermal data,
symbolization,
and
PCB
design
www.ti.com/sc/package.
QFP
–
RC
Tube
SN74FB2033KRC
FB2033K
guidelines
are
available
at
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| SN74FB2040RC | 功能描述:總線收發(fā)器 8-Bit TTL/BTL Transceivers 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 |
| SN74FB2040RCG3 | 功能描述:總線收發(fā)器 8-Bit TTL/BTL Transceivers 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 |
| SN74FB2040RCR | 功能描述:特定功能邏輯 8-Bit TTL/BTL Transceivers RoHS:否 制造商:Texas Instruments 產(chǎn)品: 系列:SN74ABTH18502A 工作電源電壓:5 V 封裝 / 箱體:LQFP-64 封裝:Tube |
| SN74FB2040RCRG3 | 功能描述:總線收發(fā)器 8-Bit TTL/BTL Transceivers 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 |
| SN74FB2041ARC | 功能描述:總線收發(fā)器 7-Bit TTL/BTL Transceivers 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 |
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