74VHCT244AMTCX Fairchild Semiconductor, 74VHCT244AMTCX Datasheet - Page 5

• Manufacturer Part Number: 74VHCT244AMTCX
• Description: IC BUFF/DVR TRI-ST DUAL 20TSSOP
• Manufacturer: Fairchild Semiconductor
• Series: 74VHCTr

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

©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
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8.5
9.5
1.0
10
Units
pF
pF
pF
ns
ns
ns
ns