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参数资料
| 型号： | SNJ54HCT125FK |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | 总线收发器 |
| 英文描述： | HCT SERIES, QUAD 1-BIT DRIVER, TRUE OUTPUT, CQCC20 |
| 封装： | CERAMIC, LCC-20 |
| 文件页数： | 6/12页 |
| 文件大小： | 444K |
| 代理商： | SNJ54HCT125FK |
SN54HCT125, SN74HCT125
QUADRUPLE BUS BUFFER GATES
WITH 3-STATE OUTPUTS
SCLS069E – NOVEMBER 1988 – REVISED AUGUST 2003
3
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
electrical characteristics over recommended operating free-air temperature range (unless
otherwise noted)
PARAMETER
TEST CONDITIONS
VCC
TA = 25°C
SN54HCT125
SN74HCT125
UNIT
PARAMETER
TEST CONDITIONS
VCC
MIN
TYP
MAX
MIN
MAX
MIN
MAX
UNIT
VOH
VI = VIH or VIL
IOH = –20 A
4.5 V
4.4
4.499
4.4
V
VOH
VI = VIH or VIL
IOH = –6 mA
4.5 V
3.98
4.3
3.7
3.84
V
VOL
VI = VIH or VIL
IOL = 20 A
4.5 V
0.001
0.1
V
VOL
VI = VIH or VIL
IOL = 6 mA
4.5 V
0.17
0.26
0.4
0.33
V
II
VI = VCC or 0
5.5 V
±0.1
±100
±1000
nA
IOZ
VO = VCC or 0,
VI = VIH or VIL
5.5 V
±0.01
±0.5
±10
±5
A
ICC
VI = VCC or 0,
IO = 0
5.5 V
8
160
80
A
ICC
One input at 0.5 V or 2.4 V,
Other inputs at 0 or VCC
5.5 V
1.4
2.4
3
2.9
mA
Ci
4.5 V
to 5.5 V
3
10
10*
10
pF
* On products compliant to MIL-PRF-38535, this parameter is not production tested.
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, CL = 50 pF
(unless otherwise noted) (see Figure 1)
PARAMETER
FROM
TO
VCC
TA = 25°C
SN54HCT125
SN74HCT125
UNIT
PARAMETER
FROM
(INPUT)
TO
(OUTPUT)
VCC
MIN
TYP
MAX
MIN
MAX
MIN
MAX
UNIT
tpd
A
Y
4.5 V
15
26
39
33
ns
tpd
A
Y
5.5 V
12
23
35
30
ns
ten
OE
Y
4.5 V
18
28
42
35
ns
ten
OE
Y
5.5 V
15
25
38
31
ns
tdis
OE
Y
4.5 V
15
26
39
33
ns
tdis
OE
Y
5.5 V
13
23
35
30
ns
tt
Any
4.5 V
8
15
22
19
ns
tt
Any
5.5 V
7
14
21
17
ns
switching characteristics over recommended operating free-air temperature range, CL = 150 pF
(unless otherwise noted) (see Figure 1)
PARAMETER
FROM
TO
VCC
TA = 25°C
SN54HCT125
SN74HCT125
UNIT
PARAMETER
FROM
(INPUT)
TO
(OUTPUT)
VCC
MIN
TYP
MAX
MIN
MAX
MIN
MAX
UNIT
tpd
A
Y
4.5 V
19
36
58
46
ns
tpd
A
Y
5.5 V
16
32
48
42
ns
ten
OE
Y
4.5 V
25
40
60
50
ns
ten
OE
Y
5.5 V
21
35
53
43
ns
tt
Any
4.5 V
17
42
63
53
ns
tt
Any
5.5 V
14
38
57
48
ns
operating characteristics, TA = 25°C
PARAMETER
TEST CONDITIONS
TYP
UNIT
Cpd
Power dissipation capacitance
No load
35
pF
PRODUCT PREVIEW information concerns products in the formative or
design phase of development. Characteristic data and other
specifications are design goals. Texas Instruments reserves the right to
change or discontinue these products without notice.
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