TIBPAL20L8-10C Datasheet, PDF (17/24 Pages) Texas Instruments – HIGH-PERFORMANCE IMPACT-X PAL CIRCUITS

TIBPAL20L8-10C, TIBPAL20R4-10C, TIBPAL20R6-10C, TIBPAL20R8-10C
HIGH-PERFORMANCE IMPACT-X ™ PAL^® CIRCUITS
SRPS008A – D3336, OCTOBER 1989 – REVISED MARCH 1992
TYPICAL CHARACTERISTICS
1000
POWER DISSIPATION
vs
FREQUENCY
8 - BIT COUNTER MODE
VCC = 5 V
900
TA = 0 ° C
PROPAGATION DELAY TIME^†
vs
NUMBER OF OUTPUTS SWITCHING
0.8
VCC = 5 V
0.7
TA = 25 ° C
R1 = 200 Ω
R2 = 390 Ω
0.6 ^{CL = 50 pF}
8-Bit Counter
0.5
800
TA = 25 ° C
0.4
TA = 80 ° C
0.3
700
0.2
0.1
600
1
4
10
40
100
F – Frequency – MHz
Figure 11
0
2
3
4
5
6
7
8
Number of Outputs Switching
Figure 12
PROPAGATION DELAY TIME
vs
NUMBER OF OUTPUTS SWITCHING
8
7
tPHL (I, I/O to O, I/O)
6
5 ^{tPLH (I, I/O to O, I/O)}
4
tPHL (CLK to Q)
3
tPLH (CLK to Q)
2 _{VCC = 5 V}
TA = 25 ° C
1 ^{CL = 50 pF}
R1 = 200 Ω
R2 = 390 Ω
0
01 2 3 4 5 6 7 8
Number of Outputs Switching
Figure 13
†_{Outputs switching in the same direction (tPLH compared to tPLH/tPHL to tPHL)}
• POST OFFICE BOX 655303 DALLAS, TEXAS 75265
17