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參數資料
| 型號： | 74LS74A |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | DUAL D-TYPE POSITIVE-EDGE-TRIGGERED FLIP-FLOPS WITH PRESET AND CLEAR |
| 中文描述： | 雙路D類上升沿觸發觸發器與預置和清除 |
| 文件頁數： | 9/18頁 |
| 文件大小： | 699K |
| 代理商： | 74LS74A |
Orderable Device
Status
(1)
Package
Type
PDIP
PDIP
Package
Drawing
N
N
Pins Package
Qty
Eco Plan
(2)
Lead/Ball Finish
MSL Peak Temp
(3)
SN74S74N3
SN74S74NE4
OBSOLETE
ACTIVE
14
14
TBD
Pb-Free
(RoHS)
Pb-Free
(RoHS)
Call TI
CU NIPDAU
Call TI
Level-NC-NC-NC
25
SN74S74NE4
ACTIVE
PDIP
N
14
25
CU NIPDAU
Level-NC-NC-NC
SN74S74NSR
ACTIVE
SO
NS
14
2000 Green (RoHS &
no Sb/Br)
2000 Green (RoHS &
no Sb/Br)
2000 Green (RoHS &
no Sb/Br)
2000 Green (RoHS &
no Sb/Br)
CU NIPDAU
Level-1-260C-UNLIM
SN74S74NSR
ACTIVE
SO
NS
14
CU NIPDAU
Level-1-260C-UNLIM
SN74S74NSRE4
ACTIVE
SO
NS
14
CU NIPDAU
Level-1-260C-UNLIM
SN74S74NSRE4
ACTIVE
SO
NS
14
CU NIPDAU
Level-1-260C-UNLIM
SNJ5474J
SNJ5474J
SNJ5474W
SNJ5474W
SNJ54LS74AFK
SNJ54LS74AFK
SNJ54LS74AJ
SNJ54LS74AJ
SNJ54LS74AW
SNJ54LS74AW
SNJ54S74FK
SNJ54S74FK
SNJ54S74J
SNJ54S74J
SNJ54S74W
SNJ54S74W
OBSOLETE
OBSOLETE
OBSOLETE
OBSOLETE
ACTIVE
ACTIVE
ACTIVE
ACTIVE
ACTIVE
ACTIVE
ACTIVE
ACTIVE
ACTIVE
ACTIVE
ACTIVE
ACTIVE
CDIP
CDIP
CFP
CFP
LCCC
LCCC
CDIP
CDIP
CFP
CFP
LCCC
LCCC
CDIP
CDIP
CFP
CFP
J
J
W
W
FK
FK
J
J
W
W
FK
FK
J
J
W
W
14
14
14
14
20
20
14
14
14
14
20
20
14
14
14
14
TBD
TBD
TBD
TBD
TBD
TBD
TBD
TBD
TBD
TBD
TBD
TBD
TBD
TBD
TBD
TBD
Call TI
Call TI
Call TI
Call TI
Call TI
Call TI
Call TI
Call TI
Call TI
Call TI
Call TI
Call TI
Call TI
Call TI
Call TI
Call TI
Call TI
Call TI
Call TI
Call TI
Level-NC-NC-NC
Level-NC-NC-NC
Level-NC-NC-NC
Level-NC-NC-NC
Level-NC-NC-NC
Level-NC-NC-NC
Level-NC-NC-NC
Level-NC-NC-NC
Level-NC-NC-NC
Level-NC-NC-NC
Level-NC-NC-NC
Level-NC-NC-NC
1
1
1
1
1
1
1
1
1
1
1
1
(1)
The marketing status values are defined as follows:
ACTIVE:
Product device recommended for new designs.
LIFEBUY:
TI has announced that the device will be discontinued, and a lifetime-buy period is in effect.
NRND:
Not recommended for new designs. Device is in production to support existing customers, but TI does not recommend using this part in
a new design.
PREVIEW:
Device has been announced but is not in production. Samples may or may not be available.
OBSOLETE:
TI has discontinued the production of the device.
(2)
for the latest availability information and additional product content details.Pb-Free (RoHS):
TI's terms "Lead-Free" or "Pb-Free" mean semiconductor products that are compatible with the current RoHS requirements
for all 6 substances, including the requirement that lead not exceed 0.1% by weight in homogeneous materials. Where designed to be soldered
at high temperatures, TI Pb-Free products are suitable for use in specified lead-free processes.
Green (RoHS & no Sb/Br):
TI defines "Green" to mean Pb-Free (RoHS compatible), and free of Bromine (Br) and Antimony (Sb) based flame
retardants (Br or Sb do not exceed 0.1% by weight in homogeneous material)
Eco
Plan
-
The
planned
eco-friendly
classification:
Pb-Free
(RoHS)
or
Green
(RoHS
&
no
Sb/Br)
-
please
check
(3)
MSL, Peak Temp. -- The Moisture Sensitivity Level rating according to the JEDEC industry standard classifications, and peak solder
temperature.
Important Information and Disclaimer:
The information provided on this page represents TI's knowledge and belief as of the date that it is
PACKAGE OPTION ADDENDUM
www.ti.com
17-Oct-2005
Addendum-Page 3
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