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參數(shù)資料
| 型號(hào)： | 933906300623 |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類： | 總線收發(fā)器 |
| 英文描述： | F/FAST SERIES, OCTAL 1-BIT DRIVER, TRUE OUTPUT, PDSO24 |
| 封裝： | 7.50 MM, PLASTIC, MS-013AD, SOT-137-1, SO-24 |
| 文件頁(yè)數(shù)： | 3/10頁(yè) |
| 文件大?。?/td> | 75K |
| 代理商： | 933906300623 |
Philips Semiconductors
Product specification
74F30244
Octal 30
line driver with enable, non-inverting
(open collector)
2
2000 Jun 30
853–1157 24025
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 (20A in
High and Low states)
Ideal for applications which require high output drive and minimal
bus loading
Octal interface
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 or SOL
DESCRIPTION
The 74F30244 is a high current open collector octal buffer
composed of eight inverters. The 74F30244 has non-inverting paths.
The device has eight inverters with two Output Enables (OE0, OE1),
each controlling four outputs. The driver is designed to deal with the
low-impedance transmission line effects found on printed circuit
boards when fast edge rates are used. The 160mA IOL provides
ample power to achieve TTL switching voltages on the incident
wave.
TYPE
TYPICAL
PROPAGATION
DELAY
TYPICAL
SUPPLY CURRENT
(TOTAL)
74F30244
10.5ns
69mA
ORDERING INFORMATION
DESCRIPTION
COMMERCIAL RANGE
VCC = 5V ±10%,
Tamb = 0°C to +70°C
PACKAGE
DRAWING NUMBER
24-pin Plastic Slim DIP (300mil)
N74F30244N
SOT222-1
24–pin Plastic SOL1
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
D0–D7
Data inputs
1.0/0.033
20
A/20A
OE0–OE1
Output Enable inputs (Active Low)
1.0/0.033
20
A/20A
Q0–Q7
Data outputs (OC)
OC/266.7
OC/160mA
NOTE: One (1.0) FAST unit load is defined as: 20
A in the High state and 0.6mA in the Low state. OC = Open Collector.
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