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參數(shù)資料
| 型號(hào)： | SNJ54HCT541W |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | OCTAL BUFFERS AND LINE DRIVERS WITH 3 STATE OUTPUTS |
| 中文描述： | 與三態(tài)輸出的八路緩沖器和線路驅(qū)動(dòng)器 |
| 文件頁數(shù)： | 3/13頁 |
| 文件大?。?/td> | 336K |
| 代理商： | SNJ54HCT541W |
SCLS306C JANUARY 1996 REVISED AUGUST 2003
3
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
recommended operating conditions (see Note 3)
SN54HCT541
MIN
NOM
SN74HCT541
MIN
NOM
UNIT
MAX
MAX
VCC
VIH
VIL
VI
VO
t/
v
TA
NOTE 3: All unused inputs of the device must be held at VCC or GND to ensure proper device operation. Refer to the TI application report,
Implications of Slow or Floating CMOS Inputs
, literature number SCBA004.
Supply voltage
4.5
5
5.5
4.5
5
5.5
V
High-level input voltage
VCC = 4.5 V to 5.5 V
VCC = 4.5 V to 5.5 V
2
2
V
Low-level input voltage
0.8
0.8
V
Input voltage
0
VCC
VCC
500
0
VCC
VCC
500
V
Output voltage
0
0
V
Input transition rise/fall time
ns
°
C
Operating free-air temperature
55
125
40
85
electrical characteristics over recommended operating free-air temperature range (unless
otherwise noted)
PARAMETER
TEST CONDITIONS
VCC
TA = 25
°
C
TYP
4.499
SN54HCT541
MIN
4.4
SN74HCT541
MIN
4.4
UNIT
MIN
4.4
MAX
MAX
MAX
VOH
VI = VIH or VIL
IOH = 20
μ
A
IOH = 6 mA
IOL = 20
μ
A
IOL = 6 mA
4.5 V
V
3.98
4.3
3.7
3.84
VOL
VI = VIH or VIL
4.5 V
0.001
0.1
0.1
0.1
V
0.17
±
0.1
±
0.01
0.26
±
100
±
0.5
0.4
0.33
±
1000
II
IOZ
ICC
VI = VCC or 0
VO = VCC or 0,
VI = VCC or 0,
One input at 0.5 V or 2.4 V,
Other inputs at 0 or VCC
5.5 V
±
1000
±
10
160
nA
μ
A
μ
A
VI = VIH or VIL
IO = 0
5.5 V
±
5
80
5.5 V
8
ICC
5.5 V
1.4
2.4
3
2.9
mA
Ci
4.5 V
to 5.5 V
3
10
10
10
pF
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 operating free-air temperature range, C
L
= 50 pF
(unless otherwise noted) (see Figure 1)
PARAMETER
FROM
(INPUT)
TO
VCC
TA = 25
°
C
TYP
SN54HCT541
SN74HCT541
UNIT
(OUTPUT)
MIN
MAX
MIN
MAX
MIN
MAX
tpd
A
Y
4.5 V
13
23
34
29
ns
5.5 V
12
21
31
26
ten
OE
Y
4.5 V
21
30
45
38
ns
5.5 V
19
27
41
34
tdis
OE
Y
4.5 V
19
30
45
38
ns
5.5 V
18
27
41
34
tt
Y
4.5 V
5.5 V
8
7
12
11
18
16
15
14
ns
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