参数资料
型号: SN74ALS109ADRG4
厂商: TEXAS INSTRUMENTS INC
元件分类: 锁存器
英文描述: ALS SERIES, DUAL POSITIVE EDGE TRIGGERED J-KBAR FLIP-FLOP, COMPLEMENTARY OUTPUT, PDSO16
封装: PLASTIC, SO-16
文件页数: 12/19页
文件大小: 718K
代理商: SN74ALS109ADRG4
SN54ALS109A, SN54AS109A, SN74ALS109A, SN74AS109A
DUAL JK POSITIVEEDGETRIGGERED FLIPFLOPS
WITH CLEAR AND PRESET
SDAS198B APRIL 1982 REVISED AUGUST 1995
2
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
POST OFFICE BOX 1443
HOUSTON, TEXAS 772511443
logic symbol
S
5
1J
2
1J
4
1CLK
1K
3
1Q
6
7
C1
11
14
2J
12
2CLK
13
2Q
10
9
1PRE
2PRE
1CLR
2K
1Q
2Q
R
1
1K
15
2CLR
This symbol is in accordance with ANSI/IEEE Std 91-1984 and IEC Publication 617-12.
Pin numbers shown are for the D, J, and N packages.
absolute maximum ratings over operating free-air temperature range (unless otherwise noted)
Supply voltage, VCC
7 V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Input voltage, VI
7 V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Operating free-air temperature range, TA: SN54ALS109A
55
°C to 125°C
. . . . . . . . . . . . . . . . . . . . . . . . . . . .
SN74ALS109A
0
°C to 70°C
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Storage temperature range
65
°C to 150°C
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Stresses beyond those listed under “absolute maximum ratings” may cause permanent damage to the device. These are stress ratings only, and
functional operation of the device at these or any other conditions beyond those indicated under “recommended operating conditions” is not
implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability.
recommended operating conditions
SN54ALS109A
SN74ALS109A
UNIT
MIN
NOM
MAX
MIN
NOM
MAX
UNIT
VCC
Supply voltage
4.5
5
5.5
4.5
5
5.5
V
VIH
High-level input voltage
2
V
VIL
Low-level input voltage
0.7
0.8
V
IOH
High-level output current
0.4
mA
IOL
Low-level output current
4
8
mA
fclock
Clock frequency
0
30
0
34
MHz
PRE or CLR low
15
tw
Pulse duration
CLK high
16.5
14.5
ns
tw
Pulse duration
CLK low
16.5
14.5
ns
tsu
Setup time before CLK
Data
15
ns
tsu
Setup time before CLK
PRE or CLR inactive
10
ns
th
Hold time after CLK
Data
0
ns
TA
Operating free-air temperature
55
125
0
70
°C
相关PDF资料
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SN74ALS109AN ALS SERIES, DUAL POSITIVE EDGE TRIGGERED J-KBAR FLIP-FLOP, COMPLEMENTARY OUTPUT, PDIP16
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