54FCT245DMQB National Semiconductor, 54FCT245DMQB Datasheet - Page 4
54FCT245DMQB
Manufacturer Part Number
54FCT245DMQB
Description
Manufacturer
National Semiconductor
Datasheet
1.54FCT245DMQB.pdf
(8 pages)
Specifications of 54FCT245DMQB
Logic Family
FCT
Operating Supply Voltage (typ)
5V
Propagation Delay Time
11ns
Number Of Elements
1
Number Of Channels
8
Input Logic Level
TTL
Output Logic Level
TTL
Output Type
3-State
Package Type
CDIP
Polarity
Non-Inverting
Logical Function
Bus Transceiver
Operating Supply Voltage (min)
4.5V
Operating Supply Voltage (max)
5.5V
Technology
CMOS
Operating Temp Range
-55C to 125C
Operating Temperature Classification
Military
Mounting
Through Hole
Pin Count
20
Lead Free Status / Rohs Status
Not Compliant
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C
C
AC Electrical Characteristics
Capacitance
Note 4: C
AC Loading
*
IN
I/O
Includes jig and probe capacitance
t
t
t
t
t
t
Symbol
PLH
PHL
PZH
PZL
PHZ
PLZ
(Note 4)
Symbol
I/O
is measured at frequency f = 1 MHz, per MIL-STD-883B, Method 3012.
FIGURE 1. Standard AC Test Load
Propagation Delay
Data to Outputs
Output Enable
Time
Output Disable
Time
Parameter
Input Capacitance
I/O Capacitance
Parameter
DS100950-6
Min
1.5
1.5
1.5
1.5
1.5
1.5
T
A
V
= −55˚C to +125˚C
4
CC
C
Max
10.0
12.0
L
= 4.5V–5.5V
54FCT
= 50 pF
Amplitude
3.0V
FIGURE 3. Test Input Signal Requirements
FIGURE 2. Test Input Signal Levels
Max
10.0
10.0
10.0
10.0
7.5
7.5
Rep. Rate
Units
pF
pF
1 MHz
500 ns
V
V
CC
CC
t
w
Units
ns
ns
ns
= 0V (OE , T/R)
= 5.0V (A
Conditions
T
2.5 ns
A
t
= 25˚C
r
n
, B
n
)
Figure
Figure
Figure
2.5 ns
Fig.
DS100950-7
No.
4
5
5
t
f