参数资料
型号: SN74ALS114AD
厂商: TEXAS INSTRUMENTS INC
元件分类: 锁存器
英文描述: ALS SERIES, DUAL NEGATIVE EDGE TRIGGERED J-K FLIP-FLOP, COMPLEMENTARY OUTPUT, PDSO14
封装: PLASTIC, SOIC-14
文件页数: 3/4页
文件大小: 70K
代理商: SN74ALS114AD
UNIT
VOL
V
TEST CONDITIONS
PARAMETER
II
IIH
IIL
VCC = 5.5 V,
VI = 7 V
VI = 2.7 V
VI = 0.4 V
mA
A
mA
VCC = 5.5 V,
PARAMETER
UNIT
CLK
Q or Q
ns
Q or Q
PRE or CLR
SN54ALS114A, SN74ALS114A
DUAL JK NEGATIVEEDGETRIGGERED FLIPFLOPS
WITH PRESET,COMMON CLEAR,AND COMMON CLOCK
SDAS201 D2661, DECEMBER 1982 REVISED MAY 1986
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
POST OFFICE BOX 1443
HOUSTON, TEXAS 77001
3
electrical characteristics over recommended operating free-air temperature range (unless
otherwise noted)
SN54ALS114A
SN74ALS114A
MIN
TYP
MAX
MIN
TYP
MAX
VIK
VCC = 4.5 V,
II = 18 mA
1.5
V
VOH
VCC = 4.5 V to 5.5 V,
IOH = 0.4 mA
VCC 2
V
VCC = 4.5 V,
IOL = 4 mA
0.25
0.4
VCC = 4.5 V,
IOL = 8 mA
0.35
0.5
J, K, or CLK
0.1
PRE or CLR
0.2
J, K, or CLK
20
PRE or CLR
40
J, K, or CLK
0.2
PRE or CLR
0.4
IO
VCC = 5.5 V,
VO = 2.25 V
30
112
30
112
mA
ICC
VCC = 5.5 V,
See Note 1
2.5
4.5
2.5
4.5
mA
All typical values are at VCC = 5 V, TA = 25°C.
The output conditions have been chosen to produce a current that closely approximates one half of the true short-circuit output current, IOS.
NOTE 1: ICC is measured with J, K, CLK, and PRE grounded, then with J, K, CLK, and CLR grounded.
switching characteristics (see Note 2)
VCC = 4.5 V to 5.5 V,
CL = 50 pF,
FROM
TO
RL = 500 ,
(INPUT)
(OUTPUT)
TA = MIN to MAX
SN54ALS114A
SN74ALS114A
MIN
MAX
MIN
MAX
fmax
25
30
MHz
tPLH
3
29
3
15
tPHL
4
30
4
18
tPLH
3
28
3
15
tPHL
5
31
5
19
NOTE 2: Load circuit and Voltage waveforms are shown in Section 1.
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