TIBPAL20L8-7C_15 Datasheet, PDF (19/28 Pages) Texas Instruments – HIGH-PERFORMANCE IMPACT-X

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TIBPAL20L8-7C, TIBPAL20R4-7C, TIBPAL20R6-7C, TIBPAL20R8-7C
TIBPAL20L8-10M, TIBPAL20R4-10M, TIBPAL20R6-10M, TIBPAL20R8-10M
HIGH-PERFORMANCE IMPACT-X ™ PAL® CIRCUITS
SRPS005E − D3307, OCTOBER 1989 − REVISED DECEMBER 2010
1000
900
TYPICAL CHARACTERISTICS
POWER DISSIPATION
vs
FREQUENCY
8 - BIT COUNTER MODE
V_CC = 5 V
T_A = 0 ° C
PROPAGATION DELAY TIME^†
vs
NUMBER OF OUTPUTS SWITCHING
0.8
V_CC = 5 V
0.7
T_A = 25 ° C
R1 = 200 Ω
R2 = 390 Ω
0.6 ^CL ^{= 50 pF}
8-Bit Counter
0.5
800
T_A = 25 ° C
0.4
T_A = 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
t_PHL (I, I/O to O, I/O)
6
5 ^tPLH ^{(I, I/O to O, I/O)}
4
t_PHL (CLK to Q)
3
t_PLH (CLK to Q)
2 _{VCC = 5 V}
T_A = 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)}
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