N74F240N NXP Semiconductors, N74F240N Datasheet - Page 2

• Manufacturer Part Number: N74F240N
• Description: Buffers & Line Drivers OCTAL 3-STATE BUFFER
• Manufacturer: NXP Semiconductors

Specifications of N74F240N

• Product Category: Buffers & Line Drivers
• Rohs: yes
• Number Of Input Lines: 8
• Number Of Output Lines: 8
• Polarity: Inverting
• Supply Voltage - Max: 5.5 V
• Supply Voltage - Min: 4.5 V
• Maximum Operating Temperature: + 70 C
• Mounting Style: Through Hole
• Package / Case: PDIP-20
• High Level Output Current: - 15 mA
• Logic Family: F
• Logic Type: Bipolar
• Low Level Output Current: 64 mA
• Minimum Operating Temperature: 0 C
• Number Of Channels Per Chip: 8
• Output Type: 3-State
• Propagation Delay Time: 6.5 ns at 5 V
• Factory Pack Quantity: 18
• Part # Aliases: N74F240N,602

Philips Semiconductors
FEATURES
ORDERING INFORMATION
INPUT AND OUTPUT LOADING AND FAN OUT TABLE
Note to input and output loading and fan out table
One (1.0) FAST unit load is defined as: 20 A in the HIGH state and 0.6 mA in the LOW state.
PIN CONFIGURATION
2004 Feb 25
Octal bus interface
3-state buffer outputs sink 64 mA
15 mA source current
Octal inverting buffer
20-pin plastic SSOP II
OEa, OEb
Yan, Ybn
20-pin plastic SOL
Ian, Ibn
20-pin plastic DIP
TYPE
74F240
PINS
DESCRIPTION
GND
OEa
Yb0
Yb1
Yb2
Yb3
Ia0
Ia1
Ia2
Ia3
Data inputs
Output enable inputs (Active-LOW)
Data outputs
10
1
2
3
4
5
6
7
8
9
TYPICAL PROPAGATION DELAY
SF00320
20
19
18
17
16
15
14
13
12
11
V
OEb
Ya0
Ib0
Ya1
Ib1
Ya2
Ib2
Ya3
Ib3
CC
4.3 ns
DESCRIPTION
V
CC
= 5 V 10%, T
COMMERCIAL RANGE
ORDER CODE
N74F240DB
N74F240N
N74F240D
amb
2
= 0 C to +70 C
DESCRIPTION
The 74F240 is an octal inverting buffer that is ideal for driving bus
lines of buffer memory address registers. The outputs are all
capable of sinking 64 mA and sourcing up to 15 mA. The device
features two output enables, each controlling four of the 3-state
outputs.
LOGIC SYMBOL
V
GND = Pin 10
CC
= Pin 20
19
1
TYPICAL SUPPLY CURRENT (TOTAL)
OEa
OEb
HIGH/LOW
74F (U.L.)
750/106.7
Ya0 Ya1 Ya2 Ya3 Yb0 Yb1 Yb2 Yb3
Ia0 Ia1
18
1.0/1.67
1.0/0.33
2
16
4
14
Ia2
37 mA
6
12
Ia3 Ib0 Ib1
8
17
3
15
5
PKG DWG #
LOAD VALUE
SOT146-1
SOT163-1
SOT339-1
20 A/1.0 mA
20 A/0.2 mA
15 mA/64 mA
13
HIGH/LOW
Ib2 Ib3
7
SF00321
74F240
11
9
Product data