tmp19a43fzxbg TOSHIBA Semiconductor CORPORATION, tmp19a43fzxbg Datasheet - Page 364
tmp19a43fzxbg
Manufacturer Part Number
tmp19a43fzxbg
Description
32bit Tx System Risc
Manufacturer
TOSHIBA Semiconductor CORPORATION
Datasheet
1.TMP19A43FZXBG.pdf
(406 pages)
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4.8 AC Electrical Characteristics
*WAIT = 0
AC measurement conditions:
No.
10
11
12
13
14
15
16
17
18
19
20
21
W: Number of wait-state cycles inserted (0 to 7 for programmed wait insertion)
N : Value of N for (1 + N) wait insertion
1
2
3
4
5
6
7
8
9
• Output levels: High = 2.4 V, Low = 0.45 V, CL = 30 pF
• Input levels: High = 2 V, Low = 0.6 V
System clock period (x)
A0–A15 valid to ALE low
A0–A15 hold after ALE low
ALE pulse width high
ALE low to RD or WR asserted
A0–A15 valid to RD or WR asserted
A0–A23 valid to RD or WR asserted
A0–A23 hold after RD or WR negated
A0–A15 valid to D0–D15 data in
A0–A23 hold after RD or WR negated
D0–D15 hold after RD negated
D0–D15 valid to WR negated
D0–D15 hold after WR negated
A0–A23 valid to WAIT input
A0–A15 valid to WAIT input
RD or WR negated to ALE high
RD asserted to D0–D15 data in
RD width low
RD negated to next A0–A15 output
WR width low
WAIT hold after RD or WR asserted
(1) V
(recommended when t
CC
= 3.0~3.6 V, Ta = 0~70°C, ALE = 0.5 clock cycle
Parameter
SYS
is 50 ns or longer)
TMP1942CY/CZ-363
Symbol
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
SYS
AL
LA
LL
LC
CL
ACL
ACH
CAR
ADL
ADH
RD
RR
HR
RAE
WW
DW
WD
AWH
AWL
CW
(0.5 + N − 1) x
x (1 + W) − 10
x (1 + W) − 10
x (1 + W) − 18
0.4x – 12
0.4x – 8
0.4x – 6
0.4x –8
x − 15
x − 20
x − 20
x − 15
x − 15
x − 15
31.25
Min
+2
0
Equation
x (2 + W) − 42
x (2 + W) − 42
x (1 + W) − 28
(0.5 + N) x
1.5x − 30
1.5x − 30
33333
Max
− 17
TMP1942CY/CZ
20 MHz(fsys)*
Min
50
12
14
12
35
30
30
35
40
35
40
32
35
27
8
0
Max
58
58
22
45
45
58
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
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