參數(shù)資料
型號(hào)： TC74VHC245FK
廠商： Toshiba Corporation
英文描述： Octal Bus Transceiver
中文描述： 八路總線收發(fā)器
文件頁(yè)數(shù)： 1/9頁(yè)
文件大?。?/td> 241K
代理商： TC74VHC245FK
TC74VHC245F/FT/FK
2007-10-01
1
TOSHIBA CMOS Digital Integrated Circuit Silicon Monolithic
TC74VHC245F,TC74VHC245FT,TC74VHC245FK
Octal Bus Transceiver
The TC74VHC245 is an advanced high speed CMOS OCTAL
BUS TRANSCEIVER fabricated with silicon gate C
2
MOS
technology.
It achieves the high speed operation similar to equivalent
Bipolar Schottky TTL while maintaining the CMOS low power
dissipation.
It is intended for two-way asynchronous communication
between data busses. The direction of data transmission is
determined by the level of the DIR input.
The enable input (
G
) can be used to disable the device so that
the busses are effectively isolated.
All inputs are equipped with protection circuits against static
discharge.
Features (Note 1) (Note 2) (Note 3)
High speed: t
pd
=
4.0 ns (typ.) at V
CC
=
5 V
Low power dissipation: I
CC
=
4
μ
A (max) at Ta
=
25°C
High noise immunity: V
NIH
=
V
NIL
=
28% V
CC
(min)
Balanced propagation delays: t
pLH
～
t
pHL
Wide operating voltage range: V
CC (opr)
=
2 V to 5.5 V
Low noise: V
OLP
=
1.2 V (max)
Pin and function compatible with 74ALS245
Note 1: Do not apply a signal to any bus terminal when it is in
the output mode. Damage may result.
Note 2: All floating (high impedance) bus terminals must have
their input levels fixed by means of pull up or pull down
resistors.
Note 3: A parasitic diode is formed between the bus and V
CC
terminals. Therefore bus terminal can not be used to
interface 5 V to 3 V systems directly.
TC74VHC245F
TC74VHC245FT
TC74VHC245FK
Weight
SOP20-P-300-1.27A
TSSOP20-P-0044-0.65A
VSSOP20-P-0030-0.50
: 0.22 g (typ.)
: 0.08 g (typ.)
: 0.03 g (typ.)
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
TC74VHC245FK(EL,K) 制造商:Toshiba America Electronic Components 功能描述:Logic,TC74VHC,Octal Bus Transceiver,US20
TC74VHC245FT 功能描述:總線收發(fā)器 Octal 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
TC74VHC245FT(EL 制造商:Toshiba America Electronic Components 功能描述:Bus XCVR Single 8-CH 3-ST 20-Pin TSSOP T/R
TC74VHC245FT(EL) 制造商:Toshiba America Electronic Components 功能描述:Bus XCVR Single 8-CH 3-ST 20-Pin TSSOP T/R 制造商:Toshiba America Electronic Components 功能描述:IC BUS TRANSCVR 8BIT 20TSSOP
TC74VHC245FT(EL,K) 制造商:Toshiba 功能描述:74VHC Octal Bus Transceiver (3-State) 20TSSOP Tape & Reel 制造商:Toshiba America Electronic Components 功能描述:IC,Logic,74VHC Series TSSOP20,OCTAL BUS 制造商:Toshiba 功能描述:Bus XCVR Single 8-CH 3-ST 20-Pin TSSOP T/R
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