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參數資料
| 型號： | TC74VHC240FK |
| 廠商： | Toshiba Corporation |
| 英文描述： | Octal Bus Buffer |
| 中文描述： | 八路總線緩沖器 |
| 文件頁數： | 1/10頁 |
| 文件大小： | 241K |
| 代理商： | TC74VHC240FK |
TC74VHC240,244F/FT/FK
2007-10-01
1
TOSHIBA CMOS Digital Integrated Circuit Silicon Monolithic
TC74VHC240F,TC74VHC240FT,TC74VHC240FK
TC74VHC244F,TC74VHC244FT,TC74VHC244FK
Octal Bus Buffer
TC74VHC240F/FT/FK
TC74VHC244F/FT/FK
The TC74VHC240 and 244 are advanced high speed CMOS
OCTAL BUS BUFFERs fabricated with silicon gate C
2
MOS
technology.
They achieve the high speed operation similar to equivalent
Bipolar Schottky TTL while maintaining the CMOS low power
dissipation.
The 74VHC240 is an inverting 3-state buffer having two
active-low output enables. The TC74VHC244 is a non-inverting
3-state buffer, and has two active-low output enables.
These devices are designed to be used with 3-state memory
address drivers, etc.
An input protection circuit ensures that 0 to 5.5 V can be
applied to the input pins without regard to the supply voltage.
This device can be used to interface 5 V to 3 V systems and two
supply systems such as battery back up. This circuit prevents
device destruction due to mismatched supply and input voltages.
Features
Inverted, 3-State Outputs
Non-Inverted, 3-State Outputs
High speed: t
pd
=
3.9 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)
Power down protection is provided on all inputs.
Balanced propagation delays: t
pLH
～
t
pHL
Wide operating voltage range: V
CC (opr)
=
2 to 5.5 V
Low noise: V
OLP
=
0.9 V (max)
Pin and function compatible with 74ALS240/244
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.)
TC74VHC240F, TC74VHC244F
TC74VHC240FT, TC74VHC244FT
TC74VHC240FK, TC74VHC244FK
相關PDF資料 |
PDF描述 |
|---|---|
| TC74VHC244FK | Octal Bus Buffer |
| TC74VHC245FK | Octal Bus Transceiver |
| TC74VHC257FK | Quad 2-Channel Multiplexer (3-state) |
| TC7MBL6353SFK | Low Voltage/Low Capacitance Dual 1-of-2 Multiplexer/Demultiplexer |
| TC7MBL6353SFT | Low Voltage/Low Capacitance Dual 1-of-2 Multiplexer/Demultiplexer |
相關代理商/技術參數 |
參數描述 |
|---|---|
| TC74VHC240FT(EL) | 制造商:Toshiba America Electronic Components 功能描述:Buffer/Line Driver 8-CH Inverting 3-ST CMOS 20-Pin TSSOP T/R 制造商:Toshiba America Electronic Components 功能描述:IC INVERTER DUAL 4-INPUT 20TSSOP |
| TC74VHC240FT(EL,K) | 制造商:Toshiba America Electronic Components 功能描述:IC,Logic,74VHC Series TSSOP20,OCTAL BUS |
| TC74VHC240FT(EL,M) | 制造商:Toshiba America Electronic Components 功能描述:IC INVERTER DUAL 4-INPUT 20TSSOP |
| TC74VHC240FT(SPL) | 制造商:Toshiba 功能描述:74VHC Octal Bus Buffer (3-State, Inverted) 20TSSOP Cut Tape 制造商:Toshiba 功能描述:Buffer/Line Driver 8-CH Inverting 3-ST CMOS 20-Pin TSSOP |
| TC74VHC240FTEL | 制造商:Toshiba America Electronic Components 功能描述:NAND GATE - Bulk 制造商:Toshiba 功能描述:74VHC Octal Bus Buffer(3-State / Inverted) Cut Tape |
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