SN74ALVCH16821 Datasheet, PDF (5/10 Pages) Texas Instruments – 3.3-V 20-BIT BUS-INTERFACE FLIP-FLOP WITH 3-STATE OUTPUTS

SN74ALVCH16821
3.3-V 20-BIT BUS-INTERFACE FLIP-FLOP
WITH 3-STATE OUTPUTS
SCES037C – JULY 1995 – REVISED FEBRUARY 1999
electrical characteristics over recommended operating free-air temperature range (unless
otherwise noted)
PARAMETER
VOH
IOH = –100 µA
IOH = –4 mA
IOH = –6 mA
TEST CONDITIONS
IOH = –12 mA
VCC
1.65 V to 3.6 V
1.65 V
MIN TYP†
VCC–0.2
1.2
2.3 V
2
2.3 V
1.7
2.7 V
2.2
3V
2.4
MAX
UNIT
V
VOL
IOH = –24 mA
IOL = 100 µA
IOL = 4 mA
IOL = 6 mA
IOL = 12 mA
3V
2
1.65 V to 3.6 V
1.65 V
2.3 V
2.3 V
2.7 V
0.2
0.45
0.4
V
0.7
0.4
II
II(hold)
IOZ
ICC
∆ICC
Ci
Control inputs
Data inputs
IOL = 24 mA
VI = VCC or GND
VI = 0.58 V
VI = 1.07 V
VI = 0.7 V
VI = 1.7 V
VI = 0.8 V
VI = 2 V
VI = 0 to 3.6 V‡
VO = VCC or GND
VI = VCC or GND,
One input at VCC – 0.6 V,
VI = VCC or GND
IO = 0
Other inputs at VCC or GND
3V
3.6 V
1.65 V
1.65 V
2.3 V
2.3 V
3V
3V
3.6 V
3.6 V
3.6 V
3 V to 3.6 V
3.3 V
0.55
±5 µA
25
–25
45
–45
µA
75
–75
±500
±10 µA
40 µA
750 µA
3.5
pF
6
Co
Outputs
VO = VCC or GND
3.3 V
7
pF
† _{All typical values are at VCC = 3.3 V, TA = 25°C.}
‡ _{This is the bus-hold maximum dynamic current. It is the minimum overdrive current required to switch the input from one state to another.}
timing requirements over recommended operating free-air temperature range (unless otherwise
noted) (see Figures 1 through 3)
fclock Clock frequency
tw
Pulse duration, CLK high or low
tsu
Setup time, data before CLK↑
th
Hold time, data after CLK↑
§ _{This information was not available at the time of publication.}
VCC = 1.8 V
MIN MAX
§
§
§
§
VCC = 2.5 V
± 0.2 V
MIN MAX
150
3.3
4.4
0
VCC = 2.7 V
MIN MAX
150
3.3
3.9
0
VCC = 3.3 V
± 0.3 V
MIN MAX
150
3.3
3.4
0
UNIT
MHz
ns
ns
ns
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