HI-546, HI-547, HI-548, HI-549
Test Circuits and Waveforms TA = 25oC, VSUPPLY = ±15V, VAH = 4V, VAL = 0.8V, VREF = Open, Unless Otherwise Specified (Continued)
8
+15V/+10V
A +ISUPPLY
6
4
VSUPPLY = ± 15V
VSUPPLY = ± 10V
2
0
1K
10K
100K
1M
10M
TOGGLE FREQUENCY (Hz)
VA
50Ω
V+
A3
IN 1
HI-546 †
A2
IN 2
THRU
A1
IN 15
A0
IN 16
±10V/±5V
10V/ 5V
+4V
EN
OUT
GND V-
10MΩ
A -ISUPPLY
-15V/-10V
†Similar connection for HI-547/HI-548/HI-549.
14pF
FIGURE 5A. SUPPLY CURRENT vs TOGGLE FREQUENCY
FIGURE 5B. TEST CIRCUIT
FIGURE 5. DYNAMIC SUPPLY CURRENT
900
VREF = OPEN FOR LOGIC HIGH LEVEL < 6V
800
VREF = LOGIC HIGH FOR LOGIC HIGH LEVELS > 6V
700
600
500
400
300
3 4 5 6 7 8 9 10 11 12 13 14 15
LOGIC LEVEL (HIGH) (V)
FIGURE 6A. ACCESS TIME vs LOGIC LEVEL (HIGH)
+15V
VA
50Ω
+4V
VREF V+
A3
IN 1
A2
IN 2 THRU
IN 15
A1 HI-546 †
A0
IN 16
EN
GND
OUT
V-
±10V
10V
10kΩ 50pF
-15V
† Similar connection for HI-547/HI-548/HI-549.
FIGURE 6B. TEST CIRCUIT
VAH = 4.0V ADDRESS
DRIVE (VA)
50%
0V
VA INPUT
2V/DIV.
+10V
OUTPUT
10%
tA
-10V
S1 ON
OUTPUT
5V/DIV.
S16 ON
200ns/DIV.
FIGURE 6C. MEASUREMENT POINTS
FIGURE 6. ACCESS TIME
FIGURE 6D. WAVEFORMS
11