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MM74HC191 bảng dữ liệu(PDF) 3 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor.
tên linh kiện MM74HC191
Giải thích chi tiết về linh kiện  MM54HC190/MM74HC190 Synchronous Decade Up/Down Counters with Mode Control MM54HC191/MM74HC191 Synchronous Binary Up/Down Counters with Mode Control
PDF  8 Pages
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nhà sản xuất  NSC [National Semiconductor (TI)]
Trang chủ  http://www.national.com
Logo NSC - National Semiconductor (TI)

MM74HC191 bảng dữ liệu(HTML) 3 Page - National Semiconductor (TI)

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AC Electrical Characteristics TAe25 C VCCe50V tretfe6 ns CLe15 pF (unless otherwise specified)
Symbol
Parameter
From
To
Typ
Units
(Input)
(Output)
fMAX
Maximum Clock
MHz
Frequency
tPLH tPHL
Maximum Propagation Delay Time
Load
QA QB
ns
QC QD
tPLH tPHL
Maximum Propagation Delay Time
Data A
QA QB
ns
B C D
QC QD
tPLH tPHL
Maximum Propagation Delay Time
Clock
Ripple
ns
Clock
tPLH tPHL
Maximum Propagation Delay Time
Clock
QA QB
ns
QC QD
tPLH tPHL
Maximum Propagation Delay Time
Clock
MaxMin
ns
tPLH tPHL
Maximum Propagation Delay Time
DownUp
Ripple
ns
Clock
tPLH tPHL
Maximum Propagation Delay Time
DownUp
MaxMin
ns
tPHL tPLH
Maximum Propagation Delay Time
Enable
Ripple Clock
ns
tW
Minimum Clock Clear or Load
ns
Input Pulse Width
AC Electrical Characteristics VCCe20V to 60V CLe50 pF tretfe6 ns (unless otherwise specified)
From
To
TAe25 C
74HC
54HC
Symbol
Parameter
(Input)
(Output)
VCC
TAeb40 to 85 CTAeb55 to 125 C
Units
Typ
Guaranteed Limits
fMAX
Maximum Clock
V
MHz
Frequency
V
MHz
V
MHz
tPLH tPHL
Maximum Propagation
Load
QA QB
V
ns
Delay Time
QC QD
V
ns
V
ns
tPLH tPHL
Maximum Propagation
Data A
QA QB
V
ns
Delay Time
B C D
QC QD
V
ns
V
ns
tPLH tPHL
Maximum Propagation
Clock
Ripple
V
ns
Delay Time
Clock
V
ns
V
ns
tPLH tPHL
Maximum Propagation
Clock
QA QB
V
ns
Delay Time
QC QD
V
ns
V
ns
3



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