SN54ALVTH16821 Datasheet, PDF (5/11 Pages) Texas Instruments – 2.5-V/3.3-V 20-BIT BUS-INTERFACE FLIP-FLOPS WITH 3-STATE OUTPUTS

SN54ALVTH16821, SN74ALVTH16821
2.5-V/3.3-V 20-BIT BUS-INTERFACE FLIP-FLOPS
WITH 3-STATE OUTPUTS
SCES078E – JULY 1996 – REVISED JANUARY 1999
recommended operating conditions, V_CC = 3.3 V ± 0.3 V (see Note 3)
SN54ALVTH16821
MIN TYP MAX
SN74ALVTH16821
UNIT
MIN TYP MAX
VCC
VIH
VIL
VI
IOH
IOL
Supply voltage
High-level input voltage
Low-level input voltage
Input voltage
High-level output current
Low-level output current
Low-level output current; current duty cycle ≤ 50%; f ≥ 1 kHz
3
3.6
2
0.8
0 VCC 5.5
–24
24
48
3
3.6 V
2
V
0.8 V
0 VCC 5.5 V
–32 mA
32
mA
64
∆t/∆v
Input transition rise or fall rate
Outputs enabled
10
10 ns/V
∆t/∆VCC Power-up ramp rate
200
200
µs/V
TA
Operating free-air temperature
–55
125 –40
85 °C
NOTE 3: All unused control inputs of the device must be held at VCC or GND to ensure proper device operation. Refer to the TI application report,
Implications of Slow or Floating CMOS Inputs, literature number SCBA004.
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design phase of development. Characteristic data and other
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change or discontinue these products without notice.
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