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

CDC303
OCTAL DIVIDE-BY-2 CIRCUIT/CLOCK DRIVER
SCAS323A – JULY 1990 – REVISED NOVEMBER 1995
logic diagram (positive logic)
PRE ¹⁰
11
CLK
14
CLR
S
C1
R
1D
15
Q1
16
Q2
1
Q3
2
Q4
6
Q5
7
Q6
8
Q7
9
Q8
absolute maximum ratings over operating free-air temperature range (unless otherwise noted)^†
Supply voltage, V_CC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 V
Input voltage, V_I . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 V
Maximum power dissipation at T_A = 55°C (in still air) (see Note 1): D package . . . . . . . . . . . . . . . . . . 0.77 W
N package . . . . . . . . . . . . . . . . . . . 1.2 W
Storage temperature range, T_stg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . – 65°C to 150°C
† _{Stresses beyond those listed under “absolute maximum ratings” may cause permanent damage to the device. These are stress ratings only, and}
functional operation of the device at these or any other conditions beyond those indicated under “recommended operating conditions” is not
implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability.
NOTE 1: The maximum package power dissipation is calculated using a junction temperature of 150°C and a board trace length of 300 mils,
except for the N package, which has a trace length of zero. For more information, refer to the Package Thermal Considerations
application note in the 1994 ABT Advanced BiCMOS Technology Data Book, literature number SCBD002B.
recommended operating conditions
VCC
VIH
VIL
IOH
IOL
fclock
TA
Supply voltage
High-level input voltage
Low-level input voltage
High-level output current
Low-level output current
Input clock frequency
Operating free-air temperature
MIN NOM MAX UNIT
4.5
5 5.5 V
2
V
0.8 V
– 24 mA
48 mA
80 MHz
0
70 °C
2
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