CDC303 Datasheet, PDF (3/7 Pages) Texas Instruments – OCTAL DIVIDE-BY-2 CIRCUIT/CLOCK DRIVER

CDC303
OCTAL DIVIDE-BY-2 CIRCUIT/CLOCK DRIVER
SCAS323A – JULY 1990 – REVISED NOVEMBER 1995
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 to 5.5 V,
VCC = 4.5 V,
IOH = – 2 mA
IOH = – 24 mA
VCC – 2
V
2 2.8
VOL
VCC = 4.5 V,
IOL = 48 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
VCC = 5.5 V,
IO‡
VCC = 5.5 V,
VI = 0.4 V
VO = 2.25 V
– 0.5 mA
– 50
– 150 mA
ICC
VCC = 5.5 V,
See Note 2
40
70 mA
† _{All typical values are at VCC = 5 V, TA = 25°C.}
‡ _{The output conditions have been chosen to produce a current that closely approximates one half of the true short-circuit output current, IOS.}
NOTE 2: ICC is measured with CLK and PRE grounded, then with CLK and CLR grounded.
timing requirements over recommended ranges of supply voltage and operating free-air
temperature
fclock Clock frequency
tw
Pulse duration
tsu
Setup time before CLK↑
CLR or PRE low
CLK high
CLK low
CLR or PRE inactive
MIN MAX UNIT
0
80 MHz
5
4
ns
6
6
ns
switching characteristics over recommended operating free-air temperature range (see Figure 1)
PARAMETER
fmax§
tPLH
tPHL
tPLH
tPHL
FROM
(INPUT)
CLK
PRE or CLR
tsk(o)
CLK
tsk(p)
CLK
tr
tf
§ _{fmax minimum values are at CL = 0 to 30 pF.}
TO
(OUTPUT)
Q, Q
Q, Q
Q
Q
Q, Q
Q, Q
TEST CONDITIONS
RL = 500 Ω, CL = 50 pF
RL = 500 Ω, CL = 50 pF
RL = 500 Ω, CL = 10 pF to 30 pF,
See Figure 2
RL = 500 Ω, CL = 10 pF to 30 pF
MIN MAX UNIT
80
MHz
2
9
ns
2
9
3
12
ns
3
12
1
1 ns
2
1 ns
4.5 ns
3.5 ns
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