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74ACT16841DLG4 数据表(PDF) 4 Page - Texas Instruments

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部件名 74ACT16841DLG4
功能描述  20-BIT BUS-INTERFACE D-TYPE LATCHES WITH 3-STATE OUTPUTS
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制造商  TI [Texas Instruments]
网页  http://www.ti.com
标志 TI - Texas Instruments

74ACT16841DLG4 数据表(HTML) 4 Page - Texas Instruments

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54ACT16841, 74ACT16841
20-BIT BUS-INTERFACE D-TYPE LATCHES
WITH 3-STATE OUTPUTS
SCAS174A – MAY 1991 – REVISED APRIL 1996
4
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
54ACT16841
74ACT16841
UNIT
PARAMETER
TEST CONDITIONS
VCC
MIN
TYP
MAX
MIN
MAX
MIN
MAX
UNIT
IOH =50 µA
4.5 V
4.4
4.4
4.4
IOH =–50 µA
5.5 V
5.4
5.4
5.4
VOH
IOH =24 mA
4.5 V
3.94
3.8
3.8
V
IOH = –24 mA
5.5 V
4.94
4.8
4.8
IOH = –75 mA†
5.5 V
3.85
3.85
IOL =50 µA
4.5 V
0.1
0.1
0.1
IOL = 50 µA
5.5 V
0.1
0.1
0.1
VOL
IOL =24mA
4.5 V
0.36
0.44
0.44
V
IOL = 24 mA
5.5 V
0.36
0.44
0.44
IOL = 75 mA†
5.5 V
1.65
1.65
II
VI = VCC or GND
5.5 V
±0.1
±1
±1
µA
IOZ
VO = VCC or GND
5.5 V
±0.5
±5
±5
µA
ICC
VI = VCC or GND,
IO = 0
5.5 V
8
80
80
µA
∆ICC‡
One input at 3.4 V,
Other inputs at VCC or GND
5.5 V
0.9
1
1
mA
Ci
VI = VCC or GND
5 V
3
pF
Co
VO = VCC or GND
5 V
11
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.
timing requirements over recommended operating free-air temperature range,
VCC = 5 V ± 0.5 V (unless otherwise noted) (see Figure 1)
TA = 25°C
54ACT16841
74ACT16841
UNIT
MIN
MAX
MIN
MAX
MIN
MAX
UNIT
tw
Pulse duration, LE high
4
4
4
ns
tsu
Setup time, data before LE
1.5
1.5
1.5
ns
th
Hold time data after LE
High
3
3
3
ns
th
Hold time, data after LE
Low
4.5
4.5
4.5
ns
switching characteristics over recommended operating free-air temperature range,
VCC = 5 V ± 0.5 V (unless otherwise noted) (see Figure 1)
PARAMETER
FROM
TO
TA = 25°C
54ACT16841
74ACT16841
UNIT
PARAMETER
(INPUT)
(OUTPUT)
MIN
TYP
MAX
MIN
MAX
MIN
MAX
UNIT
tPLH
D
Q
4
7.1
10.3
4
11.8
4
11.8
ns
tPHL
D
Q
3.2
6.9
11
3.2
12.2
3.2
12.2
ns
tPLH
LE
Q
4.5
7.7
11.3
4.5
12.7
4.5
12.7
ns
tPHL
LE
Q
4.3
7.8
11.4
4.3
12.7
4.3
12.7
ns
tPZH
OE
Q
3.1
6.4
10.1
3.1
11.3
3.1
11.3
ns
tPZL
OE
Q
3.8
7.6
12.1
3.8
13.7
3.8
13.7
ns
tPHZ
OE
Q
4
7.3
9.5
4
10.2
4
10.2
ns
tPLZ
OE
Q
4
6.8
8.9
4
9.6
4
9.6
ns
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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