SN74F378 Datasheet, PDF (3/7 Pages) Texas Instruments – HEX D-TYPE FLIP-FLOP WITH CLOCK ENABLE

SN74F378
HEX DĆTYPE FLIPĆFLOP
WITH CLOCK ENABLE
SDFS030B − D2932, MARCH 1987 − REVISED OCTOBER 1993
electrical characteristics over recommended operating free-air temperature range (unless
otherwise noted)
PARAMETER
TEST CONDITIONS
MIN TYP† MAX UNIT
VIK
VCC = 4.5 V,
II = − 18 mA
− 1.2 V
VOH
VCC = 4.5 V,
VCC = 4.75 V,
IOH = − 1 mA
IOH = − 1 mA
2.5 3.4
V
2.7
VOL
VCC = 4.5 V,
IOL = 20 mA
0.3 0.5 V
II
VCC = 5.5 V,
VI = 7 V
0.1 mA
IIH
VCC = 5.5 V,
VI = 2.7 V
20 µA
IIL
IOS‡
VCC = 5.5 V,
VCC = 5.5 V,
VI = 0.5 V
VO = 0
− 0.6 mA
− 60
− 150 mA
ICC
VCC = 5.5 V,
See Note 2
30
45 mA
† _{All typical values are at VCC = 5 V, TA = 25°C.}
‡ _{Not more than one output should be shorted at a time, and the duration of the short circuit should not exceed one second.}
NOTE 2: ICC is measured with all outputs open, all data inputs and the enable input grounded, and the clock input at 4.5 V after being momentarily
grounded.
timing requirements
fclock
tw
Clock frequency
Pulse duration
tsu
Setup time before CLK↑
th
Hold time after CLK↑
CLK high
CLK low
Data high or low
CLKEN high
CLKEN low
Data high or low
CLKEN high or low
VCC = 5 V, VCC = 4.5 V to 5.5 V,
TA = 25°C TA = MIN to MAX§
MIN MAX
MIN
MAX
0 110
0
110
4
4
6
6
5
5
3.5
3.5
5
5
1
1
0
0
UNIT
MHz
ns
ns
ns
switching characteristics (see Note 3)
PARAMETER
FROM
(INPUT)
TO
(OUTPUT)
VCC = 5 V,
CL = 50 pF,
RL = 500 Ω,
TA = 25°C
MIN TYP MAX
VCC = 4.5 V to 5.5 V,
CL = 50 pF,
RL = 500 Ω,
TA = MIN to MAX§
MIN
MAX
fmax
110 125
110
tPLH
CLK
tPHL
Any Q
3.3 4.5 6.1
3.1
6.7
3 4.2
6
2.9
6.1
§ _{For conditions shown as MIN or MAX, use the appropriate value specified under recommended operating conditions.}
NOTE 3: Load circuits and waveforms are shown in Section 1.
UNIT
MHz
ns
• POST OFFICE BOX 655303 DALLAS, TEXAS 75265
• POST OFFICE BOX 1443 HOUSTON, TEXAS 77251−1443
2−3