25 May
2005
25 May
'05
6:21 p.m.
Tony wrote:
Quite a hack to get a counter, latch and display
driver in just 8
transistors!
Allison wrote:
Only takes 4bits to count to 10. Though it could be a
switch tail
ring counter.
Brent wrote:
Flip-flops: 2 transistors per bit. 4 bits * 2
trans/bit = 8 trans.
But 8 transistors used in any obvious way does not also get you a
latch and display driver in addition to the counter. That's what
makes the use of the neon lamps in the HP design exceptionally clever.
Eric