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74ACT11521DW 数据表(PDF) 3 Page - Texas Instruments

部件名 74ACT11521DW
功能描述  8-BIT IDENTITY COMPARATORS
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制造商  TI1 [Texas Instruments]
网页  http://www.ti.com
标志 TI1 - Texas Instruments

74ACT11521DW 数据表(HTML) 3 Page - Texas Instruments

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54ACT11521, 74ACT11521
8BIT IDENTITY COMPARATORS
SCAS023A − D2957, JULY 1978 − REVISED APRIL 1993
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
POST OFFICE BOX 1443
HOUSTON, TEXAS 77001
2−3
recommended operating conditions
54ACT11521
74ACT11521
UNIT
MIN
NOM
MAX
MIN
NOM
MAX
UNIT
VCC
Supply voltage
4.5
5
5.5
4.5
5
5.5
V
VIH
High-level input voltage
2
2
V
VIL
Low-level input voltage
0.8
0.8
V
VI
Input voltage
0
VCC
0
VCC
V
VO
Output voltage
0
VCC
0
VCC
V
IOH
High-level output current
−24
−24
mA
IOL
Low-level output current
24
24
mA
Dt/Dv
Input transition rise or fall rate
0
10
0
10
ns/ V
TA
Operating free-air temperature
−55
125
−40
85
°C
electrical characteristics over recommended operating free-air temperature range (unless
otherwise noted)
PARAMETER
TEST CONDITIONS
VCC
TA = 25°C
54ACT11521
74ACT11521
UNIT
PARAMETER
TEST CONDITIONS
VCC
MIN
TYP
MAX
MIN
MAX
MIN
MAX
UNIT
IOH = − 50 A
4.5 V
4.4
4.4
4.4
IOH = − 50 mA
5.5 V
5.4
5.4
5.4
VOH
IOH = − 24 mA
4.5 V
3.94
3.7
3.8
V
VOH
IOH = − 24 mA
5.5 V
4.94
4.7
4.8
V
IOH = − 50 mA{
5.5 V
3.85
IOH = − 75 mA{
5.5 V
3.85
IOL = 50 A
4.5 V
0.1
0.1
0.1
IOL = 50 mA
5.5 V
0.1
0.1
0.1
VOL
IOL = 24 mA
4.5 V
0.36
0.5
0.44
V
VOL
IOL = 24 mA
5.5 V
0.36
0.5
0.44
V
IOL = 50 mA{
5.5 V
1.65
IOL = 75 mA{
5.5 V
1.65
II
VI = VCC or GND
5.5 V
± 0.1
± 1
±1
mA
ICC
VI = VCC or GND,
IO = 0
5.5 V
8
160
80
mA
DICC}
One input at 3.4 V,
Other inputs at GND or VCC
5.5 V
0.9
1
1
mA
Ci
VI = VCC or GND
5 V
4
pF
† Not more than one output should be tested at a time, and the duration of the test should not exceed 10 ms.
‡ 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.
switching characteristics over recommended ranges of supply voltage and operating free-air
temperature (unless otherwise noted) (see Figure 1)
PARAMETER
FROM
TO
TA = 25°C
54ACT11521
74ACT11521
UNIT
PARAMETER
FROM
(INPUT)
TO
(OUTPUT)
MIN
TYP
MAX
MIN
MAX
MIN
MAX
UNIT
tPLH
P or Q
P = Q
1.5
8.8
13
1.5
15.9
1.5
14.7
ns
tPHL
P or Q
P = Q
1.5
8.2
12
1.5
14.6
1.5
13.6
ns
tPLH
G
P = Q
1.5
6.7
9.3
1.5
11.2
1.5
10.5
ns
tPHL
G
P = Q
1.5
6.8
8.8
1.5
10.2
1.5
9.7
ns


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