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參數(shù)資料
| 型號： | 74F30240 |
| 廠商： | NXP Semiconductors N.V. |
| 英文描述： | Octal 30ohm line driver with enable, non-inverting open collector |
| 中文描述： | 以使八路30ohm，非反相集電極開路，線路驅(qū)動器 |
| 文件頁數(shù)： | 2/10頁 |
| 文件大?。?/td> | 81K |
| 代理商： | 74F30240 |
Philips Semiconductors
Product specification
74F30240*
, 74F30244
30
line drivers
74F30240
74F30244
Octal 30
line driver with enable, inverting (open collector)
Octal 30
line driver with enable, non-inverting (open collecor)
2
1999 Jan 08
853–1157 20619
* Discontinued part. Please see the Discontinued Products List.
FEATURES
Ideal for driving transmission lines or backplanes. 160mA I
OL
ideal
for applications with impedance as low as 30
Guaranteed threshold voltages on the incident wave while driving
line as low as 30
High impedance NPN base inputs for reduced loading (20
μ
A in
High and Low states)
Ideal for applications which require high output drive and minimal
bus loading
Octal interface
74F30240 inverting
74F30244 non-inverting
Open-Collector outputs sink 160mA
Multiple side pins are used for V
CC
and GND to reduce lead
inductance (improves speed and noise immunity)
Available in 24-pin standard slim DIP (300mil) plastic, SOL or
CERDIP packages
DESCRIPTION
The 74F30240 and 74F30244 are high current open collector octal
buffers composed of eight inverters. The 74F30240 has inverting
data paths and the 74F30244 has non-inverting paths. Each device
has eight inverters with two Output Enables (OE0, OE1), each
controlling four outputs. Both drivers are designed to deal with the
low-impedance transmission line effects found on printed circuit
boards when fast edge rates are used. The 160mA I
OL
provides
ample power to achieve TTL switching voltages on the incident
wave.
TYPE
TYPICAL
PROPAGATION
DELAY
TYPICAL
SUPPLY CURRENT
(TOTAL)
74F30240
9.5ns
62.5mA
74F30244
10.5ns
69mA
ORDERING INFORMATION
DESCRIPTION
COMMERCIAL RANGE
V
CC
= 5V
±
10%,
T
amb
= 0
°
C to +70
°
C
N74F30244N
PACKAGE
DRAWING NUMBER
24-pin Plastic Slim DIP (300mil)
24–pin Plastic SOL
1
SOT222-1
N74F30244D
SOT137-1
NOTE:
1. Because of the high current sinking capability of these parts, the SOL package should only be used under the following conditions:
a. 50% duty cycle,
AND
b. 3/5 of remaining 50% driving
≤
100mA (leaving the remaining 2/5 of the drive
≤
160mA)
OR
c. use
≤
450 linear feet per minute forced air or other thermal mounting techniques.
INPUT AND OUTPUT LOADING AND FAN-OUT TABLE
PINS
DESCRIPTION
74F(U.L.)
HIGH/LOW
LOAD VALUE
HIGH/LOW
20
μ
A/20
μ
A
20
μ
A/20
μ
A
D0–D7
Data inputs
1.0/0.033
OE0–OE1
Output Enable inputs (Active Low)
1.0/0.033
Q0–Q7
Data outputs (OC) for 74F30240
OC/266.7
OC/160mA
Q0–Q7
NOTE:
One (1.0) FAST unit load is defined as: 20
μ
A in the High state and 0.6mA in the Low state. OC = Open Collector.
Data outputs (OC) for 74F30244
OC/266.7
OC/160mA
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| 74F3037 | Quad 2-input NAND 30Ω driver(四通道2輸入與非門 30Ω 驅(qū)動器) |
| 74F3038 | Quad 2-input NAND 30Ωline driver(open collector)(四通道2輸入與非門 30Ω線 驅(qū)動器（集電極開路）) |
| 74F3040 | Dual 4-input NAND 30 ohm line driver |
| 74F30SCX | Single 8-input NAND Gate |
| 74F30SJX | Single 8-input NAND Gate |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| 74F30244 | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Octal 30ohm line driver with enable, non-inverting open collector |
| 74F30244N | 制造商:NXP Semiconductors 功能描述: |
| 74F3037 | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Quad 2-input NAND 30ohm driver |
| 74F3037N | 制造商:NXP Semiconductors 功能描述: 制造商:SIG 功能描述: |
| 74F3038 | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Quad 2-input NAND 30 ohm line driver open collector |
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