Trim Erase Diagram - Tandon TM848-1 Operating And Service Manual

WRTGATE
WRT DATA
I
---J
~ I I
<1-
4usma<
550us
-i>1
I
_ I II.--
--[>
I I
<}-
190us
U
1<1-
___J r - - - - - - - - - - - - - - - - I
U30, Pin 13 •
1 . 0 , - - - - - -
Sec B,
Q
output
U30, Pin 12
Sec A,
Q
output
WRTTRAN
+
U31, Pin3
Trim erase Source
Figure 3-5
Trim Erase Diagram