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PARAMETER
UNIT
PARAMETER
UNIT
PARAMETER
UNIT
PARAMETER
UNIT
TMS320C25-50
SPRS010B — MAY 1987 — REVISED NOVEMBER 1990
POST OFFICE BOX 1443 • HOUSTON, TEXAS 77001
40
memory and peripheral interface timing
TMS320C25 TMS320C25-50
MIN TYP MAX MIN TYP MAX
t
d(C1-S)
Q – 6 Q Q+6 Q – 5 Q + 3 ns
t
d(C2-S)
– 6 0 6 – 2 5 ns
t
su(A)
Q – 12 Q – 11 ns
t
h(A)
Q – 8 Q – 4 ns
t
w(SL)
2Q 2Q – 5 2Q + 2 ns
t
w(SH)
2Q 2Q – 2 2Q + 5 ns
t
su(D)W
2Q – 20 2Q – 17 ns
t
h(D)W
Q – 10 Q Q – 5 ns
t
d(MSC)
– 12 0 12 –1 9 ns
t
a(A)
3Q – 35 3Q – 30 ns
t
su(D)R
23 19 ns
t
h(D)R
0 0 ns
t
d(SL-R)
Q – 20 Q – 21 ns
t
d(C2H-R)
Q – 20 Q – 21 ns
t
h(SL-R)
Q + 3 Q – 1 ns
t
h(C2H-R)
Q + 3 Q – 1 ns
t
d(M-R)
2Q – 25 2Q – 24 ns
t
h(M-R)
0 0 ns
RS, INT, BIO, and XF timing
TMS320C25 TMS320C25-50
MIN TYP MAX MIN TYP MAX
t
d(IACK)
– 6 0 12 – 5 7 ns
t
d(XF)
Q – 15 Q – 8 ns
t
su(IN)
32 25 ns
t
h(IN)
0 0 ns
HOLD timing
TMS320C25 TMS320C25-50
MIN TYP MAX MIN TYP MAX
t
d(C1L-AL)
0 10 1 11 ns
t
d(HH-AH)
25 19 ns
t
d(C2H-H)
Q – 24 Q – 19 ns
serial port timing
TMS320C25 TMS320C25-50
MIN TYP MAX MIN TYP MAX
t
d(CH-DX)
75 70 ns
t
d(FL-DX)
40 40 ns
t
d(CH-FS)
40 40 ns
t
su(FS)
18 5 ns
t
h(FS)
20 10 ns
t
su(DR)
10 5 ns
t
h(DR)
20 10 ns
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