ꢀ ꢁꢂ ꢃꢄ ꢅ ꢆꢇ ꢂꢈ ꢀꢁ ꢇ ꢃ ꢄꢅꢆ ꢇ ꢂ
ꢉꢊ ꢋ ꢌꢍ ꢊ ꢎꢏ ꢐ ꢌꢑꢒ ꢓꢎ ꢐ ꢔꢏ ꢕ ꢎ ꢑꢔꢏ ꢖꢎ ꢀ
ꢗꢕ ꢒ ꢄ ꢅ ꢏ ꢐꢋ ꢍ
SCLS299D − JANUARY 1996 − REVISED SEPTEMBER 2003
description/ordering information (continued)
Information at the data (D) inputs meeting the setup time requirements is transferred to the outputs on the
positive-going edge of the clock (CLK) pulse. Clock triggering occurs at a particular voltage level and is not
related directly to the transition time of the positive-going edge of CLK. When CLK is at either the high or low
level, the D input has no effect at the output.
FUNCTION TABLE
(each flip-flop)
INPUTS
OUTPUTS
CLR
L
CLK
X
D
X
H
L
Q
L
Q
H
L
H
↑
H
L
H
↑
H
H
L
X
Q
Q
0
0
logic diagram (positive logic)
1
CLR
9
4
CLK
1D
2
3
1D
C1
1Q
1Q
R
To Three Other Channels
Pin numbers shown are for the D, DB, J, N, NS, PW, and W packages.
†
absolute maximum ratings over operating free-air temperature range (unless otherwise noted)
Supply voltage range, V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −0.5 V to 7 V
CC
I
Input clamp current, I (V < 0 or V > V ) (see Note 1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20 mA
IK
I
CC
Output clamp current, I
(V < 0 or V > V ) (see Note 1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20 mA
OK
O O CC
Continuous output current, I (V = 0 to V ) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25 mA
Continuous current through V
O
O
CC
CC
or GND . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50 mA
Package thermal impedance, θ (see Note 2): D package . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 73°C/W
JA
DB package . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 67°C/W
N package . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 82°C/W
NS package . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 64°C/W
PW package . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 108°C/W
Storage temperature range, T
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −65°C to 150°C
stg
†
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.
NOTES: 1. The input and output voltage ratings may be exceeded if the input and output current ratings are observed.
2. The package thermal impedance is calculated in accordance with JESD 51-7.
2
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
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