MA2909 Datasheet, PDF (8/13 Pages) List of Unclassifed Manufacturers – RADIATION HARD MICROPROGRAM SEQUENCER

MA2909/11
Time
Minimum clock low time
15
Minimum clock high time
15
Table 8: Cycle Time and Clock Charcteristics
From input
Y
C_n + 4
D₁
S₀, S₁
OR_I
C_n
ZERO
35
40
30
35
20
30
-
25
35
40
OE LOW (enable) (Note 2)
25
-
OE HIGH (disable) (Note 3)
25
-
Clock: S₁S₀ = LH
Clock: S₁S₀ = LL
Clock: S₁S₀ = HL
40
45
40
45
50
45
Notes:
1. CL < 50pF
2. RL ≥ 680Ω
3. RL ≥ 680Ω, measured 0.5V change in output level
Table 9: Maximum Combinational Propogation Delays
From input
Set-up time
Hold Time
RE
R_I
PUP
FE
C_n
D_I
OR_I
S₀, S₁
ZERO
10
10
10
7
20
5
20
10
15
5
20
0
20
0
20
0
25
0
Table 10: Guaranteed Set-up and Hold Times (all in ns)
All times in ns across full voltage and temperature range.
MIL-STD-883, method 5005, subgroups 9, 10 and 11.
Figure 2
8