参数资料
型号: 933740360602
厂商: NXP SEMICONDUCTORS
元件分类: 锁存器
英文描述: F/FAST SERIES, NEGATIVE EDGE TRIGGERED D FLIP-FLOP, TRUE OUTPUT, PDIP16
封装: 0.300 INCH, PLASTIC, SOT-38-4, DIP-16
文件页数: 3/8页
文件大小: 87K
代理商: 933740360602
Philips Semiconductors
Product specification
74F298
Quad 2-input multiplexer with storage
1989 Aug 14
3
LOGIC DIAGRAM
I1a
I0a
I1b
I0b
I1c
I0c
I1d
I0d
23
1
4
5
9
6
7
15
14
13
12
Qa
Qb
Qc
Qd
VCC = Pin 16
GND = Pin 8
SF00862
R
CP
SQa
R
CP
SQb
R
CP
SQc
R
CP
SQd
S
CP
10
11
FUNCTION TABLE
INPUTS
OUTPUT
OPERATING MODE
CP
S
I0n
I1n
Qn
OPERATING MODE
l
X
L
Load source “0”
l
h
X
H
Load source “0”
h
X
l
L
Load source “1”
h
X
h
H
Load source “1”
H
=
High voltage level
h
=
High voltage level one setup time prior to the High-to-Low
clock transition
L
=
Low voltage level
l
=
Low voltage level one setup time prior to the High-to-Low
clock transition
X
=
Don’t care
=
High-to-Low clock transition
ABSOLUTE MAXIMUM RATINGS
(Operation beyond the limits set forth in this table may impair the useful life of the device.
Unless otherwise noted these limits are over the operating free-air temperature range.)
SYMBOL
PARAMETER
RATING
UNIT
VCC
Supply voltage
–0.5 to +7.0
V
VIN
Input voltage
–0.5 to +7.0
V
IIN
Input current
–30 to +5
mA
VOUT
Voltage applied to output in High output state
–0.5 to VCC
V
IOUT
Current applied to output in Low output state
40
mA
Tamb
Operating free-air temperature range
0 to +70
°C
Tstg
Storage temperature range
–65 to +150
°C
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