82C89_06 Datasheet, PDF (12/13 Pages) Intersil Corporation – CMOS Bus Arbiter

AC Test Load Circuits
BUSY, CBRQ LOAD CIRCUIT
2.5V
OUTPUT FROM
DEVICE
UNDER TEST
102Ω
TEST
POINT
100pF
(NOTE)
82C89
AEN LOAD CIRCUIT
2.9V
OUTPUT FROM
DEVICE
UNDER TEST
157.2Ω
TEST
POINT
100pF
(NOTE)
BPRO, BREQ LOAD CIRCUIT
2.9V
OUTPUT FROM
DEVICE
UNDER TEST
249.6Ω
TEST
POINT
100pF
(NOTE)
NOTE: Includes Stray and Jig Capacitance
AC Testing Input, Output Waveform
INPUT
V_IH +0.4V
1.5V
V_IL -0.4V
OUTPUT
V_OH
1.5V
V_OL
AC Testing: Inputs are driven at V_IH +0.4V for a logic “1” and V_IL
-0.4V for a logic “0”. The clock is driven at V_CC -0.4V and 0.4V.
Timing measurements are made at 1.5V for both a logic “1” and “0”.
Burn-In Circuits
F7
F13
F14
F12
F0
V_CC
V_CC/2
F8
MD82C89 CERDIP
V_CC
R2
1
R2
2
R2
3
R2
4
R2
5
R1
6
R1
7
R1
8
R2
9
10
C1
20
R2
19
F6
R2
18
F5
R2
17
F0
R2
16
F9
R2
15
F10
R2
14
F11
R1
13
R1
12
R1
V_CC/2
11
12
FN2980.2
February 27, 2006