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N74F241N PDF даташит

Спецификация N74F241N изготовлена ​​​​«Philips» и имеет функцию, называемую «Octal inverter buffer 3-State».

Детали детали

Номер произв N74F241N
Описание Octal inverter buffer 3-State
Производители Philips
логотип Philips логотип 

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N74F241N Даташит, Описание, Даташиты
INTEGRATED CIRCUITS
74F240/74F240A
Octal inverter buffer (3-State)
74F241/74F241A
Octal buffer (3-State)
Product specification
IC15 Data Handbook
1001 Jan 02
Philips
Semiconductors









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N74F241N Даташит, Описание, Даташиты
Philips Semiconductors
Buffers
Product specification
74F240/74F240A/
74F241/74F241A
FEATURES
Octal bus interface
3-State buffer outputs sink 64mA
15mA source current
Guaranteed output skew less than 2.0ns
(74F240A/74F241A)
Reduced ground bounce (74F240A/74F241A)
Reduced ICC (74F241A only)
Reduced loading (74F240A IIL = 100µA,
74F241A IIL = 40µA)
TYPE
74F240
74F240A
74F241
74F241A
TYPICAL PROPAGATION DELAY
4.3ns
3.8ns
5.0ns
4.5ns
DESCRIPTION
The 74F240 and 74F241 are octal buffers that are ideal for
driving bus lines of buffer memory address registers. The
outputs are all capable of sinking 64mA and sourcing up to
15mA. The device features two output enables, each
controlling four of the 3–state outputs.
The 74F240A and 74F241A are functionally equivalent to
their non–A counterparts. They have been designed to
reduce effects of ground noise. Other advantages are noted
in the features.
TYPICAL SUPPLY CURRENT (TOTAL)
37mA
40mA
53mA
32mA
ORDERING INFORMATION
DESCRIPTION
20–pin plastic DIP
20–pin plastic SOL
20-pin plastic SSOP II
ORDER CODE
COMMERCIAL RANGE
VCC = 5V ±10%, Tamb = 0°C to +70°C
N74F240N, N74F240AN, N74F241N, N74F241AN
N74F240D, N74F240AD, N74F241D, N74F241AD
N74F240DB
INPUT AND OUTPUT LOADING AND FAN OUT TABLE
PINS
DESCRIPTION
Data inputs (74F240)
Ian, Ibn
Data inputs (74F240A)
Data inputs (74F241)
Data inputs (74F241A)
OEa, OEb
OEa, OEb
Output enable inputs (active low) (74F240)
Output enable inputs (active low) (74F240A)
Output enable input (74F241)
Output enable input (74F241A)
Yan, Ybn
Data outputs (74F241, 74F241A)
Yan, Ybn
Data outputs (74F240, 74F240A)
Note to input and output loading and fan out table
One (1.0) FAST unit load is defined as: 20µA in the high state and 0.6mA in the low state.
74F (U.L.)
HIGH/LOW
1.0/1.67
1.0/0.167
1.0/2.67
1.0/0.067
1.0/0.33
1.0/0.167
1.0/1.67
1.0/0.067
750/106.7
750/106.7
PKG DWG #
SOT146-1
SOT163-1
SOT339-1
LOAD VALUE
HIGH/LOW
20µA/1.0mA
20µA/100µA
20µA/1.6mA
20µA/40µA
20µA/0.2mA
20µA/100µA
20µA/1.0mA
20µA/40µA
15mA/64mA
15mA/64mA
January 2, 1991
2 853–0355 01345









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N74F241N Даташит, Описание, Даташиты
Philips Semiconductors
Buffers
Product specification
74F240/74F240A/
74F241/74F241A
PIN CONFIGURATION FOR 74F240/74F240A
OEa 1
Ia0 2
Yb0 3
Ia1 4
Yb1 5
Ia2 6
Yb2 7
Ia3 8
Yb3 9
GND 10
20 VCC
19 OEb
18 Ya0
17 Ib0
16 Ya1
15 Ib1
14 Ya2
13 Ib2
12 Ya3
11 Ib3
SF00320
IEC/IEEE SYMBOL FOR 74F240/74F240A
1 EN1
19
EN2
2 2D 1
4
6
8
17 2
15
13
11
18
16
14
12
3
5
7
9
SF00322
LOGIC SYMBOL FOR 74F240/74F240A
2 4 6 8 17 15 13 11
Ia0 Ia1 Ia2 Ia3 Ib0 Ib1 Ib2 Ib3
1 OEa
19 OEb
Ya0 Ya1 Ya2 Ya3 Yb0 Yb1 Yb2 Yb3
VCC = Pin 20
GND = Pin 10
18 16 14 12 3 5 7 9
SF00321
FUNCTION TABLE FOR 74F240/74F240A
INPUTS
OUTPUTS
OEa Ia OEb Ib Ya Yb
LLLL H H
LHLH
L
L
HXHX
Z
Z
Notes to function table for 74F240/74F240A
H = High voltage level
L = Low voltage level
X = Don’t care
Z = High impedance ”off” state
LOGIC DIAGRAM FOR 74F240/74F240A
2
Ia0
18
Ya0
17
Ib0
3
Yb0
4
Ia1
16
Ya1
15
Ib1
5
Yb1
6
Ia2
8
Ia3
14
Ya2
12
Ya3
13
Ib2
11
Ib3
7
Yb2
9
Yb3
OEa 1
OEb 10
VCC = Pin 20
GND = Pin 10
SF00323
January 2, 1991
3










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Номер в каталогеОписаниеПроизводители
N74F241ADOctal inverter buffer 3-StatePhilips
Philips
N74F241ANOctal inverter buffer 3-StatePhilips
Philips
N74F241DOctal inverter buffer 3-StatePhilips
Philips
N74F241NOctal inverter buffer 3-StatePhilips
Philips

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