74VHCT244AMTCX Fairchild Semiconductor, 74VHCT244AMTCX Datasheet - Page 5
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74VHCT244AMTCX
Manufacturer Part Number
74VHCT244AMTCX
Description
IC BUFF/DVR TRI-ST DUAL 20TSSOP
Manufacturer
Fairchild Semiconductor
Series
74VHCTr
Datasheet
1.74VHCT244AMTCX.pdf
(9 pages)
Specifications of 74VHCT244AMTCX
Logic Type
Buffer/Line Driver, Non-Inverting
Number Of Elements
2
Number Of Bits Per Element
4
Current - Output High, Low
8mA, 8mA
Voltage - Supply
4.5 V ~ 5.5 V
Operating Temperature
-40°C ~ 85°C
Mounting Type
Surface Mount
Package / Case
20-TSSOP
Logic Family
VHCT
Number Of Channels Per Chip
8
Polarity
Non-Inverting
Supply Voltage (max)
5.5 V
Supply Voltage (min)
4.5 V
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
High Level Output Current
- 8 mA
Low Level Output Current
8 mA
Minimum Operating Temperature
- 40 C
Number Of Lines (input / Output)
8 / 8
Output Type
3-State
Propagation Delay Time
8.4 ns at 5 V
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
74VHCT244AMTCXTR
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
74VHCT244AMTCX
Manufacturer:
FAIRCHILD/仙童
Quantity:
20 000
©1997 Fairchild Semiconductor Corporation
74VHCT244A Rev. 1.3
AC Electrical Characteristics
Notes:
7. Parameter guaranteed by design. t
8. C
t
OSLH
t
t
t
current consumption without load. Average operating current can be obtained by the equation:
I
can be calculated by the equation: C
Symbol
PLH
PZL
PLZ
CC
PD
C
C
C
OUT
, t
, t
(Opr.)
, t
, t
PD
IN
is defined as the value of the internal equivalent capacitance which is calculated from the operating
PZH
PHZ
PHL
OSHL
C
Propagation Delay
Time
3-STATE Output
Enable Time
3-STATE Output
Disable Time
Output to Output
Skew
Input Capacitance
Output Capacitance
Power Dissipation
Capacitance
PD
Parameter
• V
CC
• f
IN
+ I
CC
/ 8 (per F/F). The total C
OSLH
5.0 ± 0.5
5.0 ± 0.5 R
5.0 ± 0.5 R
5.0 ± 0.5
V
PD
CC
(total)
(V)
|t
PLH max
(7)
V
V
(8)
CC
CC
L
L
20 + 12n
Conditions
1k
1k
– t
Open
5.0V
PLH min
5
C
C
C
C
C
PD
L
L
L
L
L
when n pcs. of the Octal D Flip-Flop operates
|; t
15pF
50pF
15pF
50pF
50pF
OSHL
Min. Typ. Max. Min. Max.
|t
PHL max
T
A
5.4
5.9
7.7
8.2
8.8
18
4
9
– t
25°C
PHL min
10.4
11.4
11.4
7.4
8.4
1.0
10
|
T
1.0
1.0
1.0
1.0
1.0
to +85°C
A
–40°C
12.5
13.5
13.0
www.fairchildsemi.com
8.5
9.5
1.0
10
Units
pF
pF
pF
ns
ns
ns
ns