Datasheet

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

SDAS198B − APRIL 1982 − REVISED AUGUST 1995
5
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
POST OFFICE BOX 1443
• HOUSTON, TEXAS 77251−1443
switching characteristics (see Figure 1)
PARAMETER
FROM
(INPUT)
TO
(OUTPUT)
V
CC
= 4.5 V to 5.5 V,
C
L
= 50 pF,
R
L
= 500 Ω,
T
A
= MIN to MAX
†
UNIT
PARAMETER
(INPUT)
(OUTPUT)
SN54AS109A SN74AS109A
UNIT
MIN MAX MIN MAX
f
max
* 90 105 MHz
t
PLH
PRE or CLR
Q or Q
2 9 2 8
ns
t
PHL
PRE or CLR Q or Q
3.5 11.5 3.5 10.5
ns
t
PLH
CLK
Q or Q
2.5 10 2.5 9
ns
t
PHL
CLK
Q or Q
3.5 10.5 3.5 9
ns
* On products compliant to MIL-STD-883, Class B, this parameter is based on characterization data but is not production tested.
†
For conditions shown as MIN or MAX, use the appropriate value specified under recommended operating conditions.