TMP91C824
91C824-218
(2) Vcc
=
2.0 V
±
10%
Variable 10MHz
No. Symbol Parameter
Min Max Min Max
1
tFPH
f
FPH
Period (
=
x)
100 31250 100
ns
2
tAC
A0 to A15 Valid
→
RD
/
WR
Fall
x -46
54
ns
3
tCAR
RD
Rise
→
A0 to A23 Hold
0.5x - 26
24
ns
4
tCAW
WR
Rise
→
A0 to A23 Hold
x - 26
74
ns
5
tAD
A0 to A23 Valid
→
RD
/
WR
Fall
3.5x - 48
302
ns
6
tRD
RD
Fall
→
D0 to D15 Input
2.5x - 48
202
ns
7
tRR
RD
Low Width
2.5x - 30
220
ns
8
tHR
RD
Rise
→
D0 to D15 Hold
0 0
ns
9
tWW
WR
Low Width
2.0x - 30
170
ns
10
tDW
D0 to D15 Valid
→
WR
Rise
1.5x – 70
80
ns
11
tWD
WR
Rise
→
D0 to D15 Hold
x – 50
50
ns
12
tAW
A0 to A23 Valid
→
WAIT
Input
3.5x - 120
230
ns
13
tCW
RD
/
WR
Fall
→
WAIT
Hold
2.5x + 0
250
ns
14
tAPH
A0 to A23 Valid
→
PORT Input
3.5x - 50
300
ns
15
tAPH2
A0 to A23 Valid
→
PORT Hold
3.5x 350
ns
16
tAPO
A0 to A23 Valid
→
PORT Valid
3.5x
+
60 410 ns
AC Measuring Conditions
!
Output Level: High = 0.7 V, Low = 0.3 V, CL
=
50 pF
!
Input Level: High = 0.9 V, Low = 0.1V
(note): Symbol “ x ” in the above table means the period of clock “ f
FPH
“, it’s half period of the system clock “ f
SYS
“ for CPU core. The period of f
FPH
depends on the clock gear setting or the selection of High / Low oscillator
frequency.
(1WAIT
+n mode)
(1WAIT
+n mode)
Unit