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參數(shù)資料
| 型號(hào)： | MC74F399N |
| 廠商： | MOTOROLA INC |
| 元件分類： | 通用總線功能 |
| 英文描述： | Automotive Catalog 220nA Supervisor with 10ms/200ms Selectable Delay Time 5-SOT-23 -40 to 125 |
| 中文描述： | F/FAST SERIES, POSITIVE EDGE TRIGGERED D FLIP-FLOP, TRUE OUTPUT, PDIP16 |
| 封裝： | PLASTIC, DIP-16 |
| 文件頁數(shù)： | 1/3頁 |
| 文件大?。?/td> | 64K |
| 代理商： | MC74F399N |
4-192
FAST AND LS TTL DATA
QUAD 2-PORT REGISTER
The MC54/74F399 is the logical equivalent of a quad 2-input multiplexer
feeding into four edge-triggered flip flops. A common Select input determines
which of the two 4-bit words is accepted. The selected data enters the flip-
flops on the rising edge of the clock. The MC54/74F399 is the 16-pin version
of the MC54/74F398, with only the Q outputs of the flip-flops available.
Select Inputs from Two Data Sources
Fully Positive Edge-Triggered Operation
6
7
8
1
2
3
4
5
10
11
13
14
12
9
15
16
VCC
Qd
I0d
I1d
I1c
Qc
I0c
I0a
S
Qa
I1a
I1b
Qb
I0b
CONNECTION DIAGRAM
(TOP VIEW)
CP
GND
LOGIC DIAGRAM
NOTE:
This diagram is provided only for the understanding of logic operations and
should not be used to estimate propagation delays.
D
CP
Qa
Qb
Qc
Qd
I0a
S
I1a
I0b
I1b
I0c
I1c
I0d
I1d
CP
D
CP
D
CP
D
CP
J SUFFIX
CERAMIC
CASE 620-09
N SUFFIX
PLASTIC
CASE 648-08
16
1
16
1
ORDERING INFORMATION
MC54FXXXJ
MC74FXXXN
MC74FXXXD
Ceramic
Plastic
SOIC
16
1
D SUFFIX
SOIC
CASE 751B-03
LOGIC SYMBOL
QUAD 2-PORT REGISTER
FAST
SCHOTTKY TTL
MC54/74F399
I0a I1a I0b I1b I0c I1c I0d I1d
S
CP
Qa
Qb
Qc
Qd
3
4
6
5 11 12 14 13
2
7
10
15
1
9
VCC = PIN 16
GND = PIN 8
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