CD74ACT297 Datasheet, PDF (7/12 Pages) Texas Instruments – DIGITAL PHASE-LOCKED LOOP

CD74ACT297
DIGITAL PHASE-LOCKED LOOP
SCHS297A – AUGUST 1998 – REVISED SEPTEMBER 1999
electrical characteristics over recommended operating free-air temperature range (unless
otherwise noted)
PARAMETER
TEST CONDITIONS
VCC
TA = 25°C
MIN MAX
MIN MAX UNIT
IO = –50 µA
4.5 V
4.4
4.4
VOH
VI = VIH or VIL
IO = –24 mA
IO = –75 mA
IO = 50 µA
4.5 V
5.5 V
4.5 V
3.94
3.8
V
3.85
0.1
0.1
VOL
II
ICC (MSI)
ICC (SSI/FF)
VI =VIH or VIL
VI = VCC or GND
VI = VCC or GND
VI = VCC or GND
IO = 24 mA
IO = 75 mA†
4.5 V
5.5 V
5.5 V
5.5 V
5.5 V
0.36
0.44 V
1.65
±0.1
±1 mA
8
80 mA
4
40 mA
DICC
VI = VCC –2.1 V
4.5 V to 5.5 V
2.4
2.8 mA
† _{Test one output at a time for a 1-second maximum duration. Measurement is made by forcing current and measuring voltage to minimize power}
dissipation. Test verifies a minimum 50-Ω transmission-line drive capability at 85°C.
ACT Input Load Table
INPUT
ENCTR, D/U
A, B, C, D, K CLK, φA2
I/O CLK, φA1, φB
UNIT LOAD
0.1
0.2
0.5
NOTE: Unit Load is ∆ICC limit specified in
electrical characteristics table (e.g.,
2.4 mA at 25°C).
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