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SN74HCT373 数据表(PDF) 3 Page - Texas Instruments

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部件名 SN74HCT373
功能描述  OCTAL TRANSPARENT D-TYPE LATCHES WITH 3-STATE OUTPUTS
Download  21 Pages
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制造商  TI1 [Texas Instruments]
网页  http://www.ti.com
标志 TI1 - Texas Instruments

SN74HCT373 数据表(HTML) 3 Page - Texas Instruments

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SN54HCT373, SN74HCT373
OCTAL TRANSPARENT D-TYPE LATCHES
WITH 3-STATE OUTPUTS
SCLS009D – MARCH 1984 – REVISED AUGUST 2003
3
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
recommended operating conditions (see Note 3)
SN54HCT373
SN74HCT373
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
VCC = 4.5 V to 5.5 V
2
2
V
VIL
Low-level input voltage
VCC = 4.5 V to 5.5 V
0.8
0.8
V
VI
Input voltage
0
VCC
0
VCC
V
VO
Output voltage
0
VCC
0
VCC
V
∆t/∆v
Input transition rise/fall time
500
500
ns
TA
Operating free-air temperature
–55
125
–40
85
°C
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.
electrical characteristics over recommended operating free-air temperature range (unless
otherwise noted)
PARAMETER
TEST CONDITIONS
VCC
TA = 25°C
SN54HCT373
SN74HCT373
UNIT
PARAMETER
TEST CONDITIONS
VCC
MIN
TYP
MAX
MIN
MAX
MIN
MAX
UNIT
VOH
VI = VIH or VIL
IOH = –20 µA
4.5 V
4.4
4.499
4.4
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 µA
4.5 V
0.001
0.1
0.1
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
±1000
nA
IOZ
VO = VCC or 0
5.5 V
±0.01
±0.5
±10
±5
µA
ICC
VI = VCC or 0,
IO = 0
5.5 V
8
160
80
µA
∆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
† 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.
timing requirements over recommended operating free-air temperature range (unless otherwise
noted)
VCC
TA = 25°C
SN54HCT373
SN74HCT373
UNIT
VCC
MIN
MAX
MIN
MAX
MIN
MAX
UNIT
tw
Pulse duration, LE high
4.5 V
20
30
25
ns
tw
Pulse duration, LE high
5.5 V
17
27
23
ns
tsu
Setup time, data before LE
4.5 V
10
15
13
ns
tsu
Setup time, data before LE
5.5 V
9
14
12
ns
th
Hold time, data after LE
4.5 V
10
10
10
ns
th
Hold time, data after LE
5.5 V
10
10
10
ns


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