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AD244 View Datasheet(PDF) - Texas Instruments

Part NameDescriptionManufacturer
AD244 Octal Buffers and Drivers With 3-State Outputs Texas-Instruments
Texas Instruments Texas-Instruments
AD244 Datasheet PDF : 31 Pages
1 2 3 4 5 6 7 8 9 10 Next Last
SN54ACT244, SN74ACT244
SCAS517D – JUNE 1995 – REVISED AUGUST 2016
www.ti.com
Electrical Characteristics (continued)
over recommended operating free-air temperature range (unless otherwise noted)
PARAMETER
II
VI = VCC or GND
TEST CONDITIONS
TA = 25°C
SN54ACT244
SN74ACT244
VCC
5.5 V
TA = 25°C
ICC
VI = VCC or GND, IO = 0
SN54ACT244
SN74ACT244
5.5 V
ΔICC (2)
One input at 3.4 V,
Other inputs at GND or VCC
TA = 25°C
SN54ACT244
SN74ACT244
5.5 V
CI
VI = VCC or GND
TA = 25°C
5V
Co
VI = VCC or GND
TA = 25°C
5V
MIN
TYP MAX
±0.1
±1
±1
4
80
40
0.6
1.6
1.5
2.5
8
(2) This is the increase in supply current for each input that is at one of the specified TTL voltage levels, rather than 0 V or VCC.
UNIT
µA
µA
mA
pF
pF
6.6 Switching Characteristics
over recommended operating free-air temperature range, VCC = 5 V ± 0.5 V (unless otherwise noted) (see Figure 2)
PARAMETER
FROM
(INPUT)
TO
(OUTPUT)
TEST CONDITIONS
MIN
TYP
MAX UNIT
TA = 25°C
2
6.5
9
tPLH
SN54ACT244
1
10
SN74ACT244
1.5
10
A
Y
ns
TA = 25°C
2
7
9
tPHL
SN54ACT244
1
10
SN74ACT244
1.5
10
TA = 25°C
1.5
7
8.5
tPZH
SN54ACT244
1
9.5
SN74ACT244
1
9.5
OE
Y
ns
TA = 25°C
2
7
9.5
tPZL
SN54ACT244
1
11
SN74ACT244
1.5
10.5
TA = 25°C
2
8
9.5
tPHZ
SN54ACT244
1
11
SN74ACT244
1.5
10.5
OE
Y
ns
TA = 25°C
2.5
7.5
10
tPLZ
SN54ACT244
1
11.5
SN74ACT244
2
10.5
6.7 Operating Characteristics
VCC = 5 V, TA = 25°C
PARAMETER
Cpd
Power dissipation capacitance per buffer/driver
TEST CONDITIONS
CL = 50 pF,
f = 1 MHz
TYP UNIT
45 pF
6
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