tmp19a44fda TOSHIBA Semiconductor CORPORATION, tmp19a44fda Datasheet - Page 646

• Manufacturer Part Number: tmp19a44fda
• Description: 32bit Tx System Risc
• Manufacturer: TOSHIBA Semiconductor CORPORATION

Electrical Characteristics
Note :
27.6 AC Electrical Characteristic
No.
(1) DVCC3＝AVCC3n
27.6.1 Separate Bus mode
10
11 D0-D15
12 D0-D15
13 A0-A23 valid to
14
1 System clock period (x)
2 A0-A23 valid to
3 A0-A23 hold after
4 A0-A23 valid to D0-D15 Data in
5 RD asserted to D0-D15 data in
6 RD
7 D0-D15 hold after
8
9 WR /HWR
asserted
negated
negated
negated
asserted
RD
WR
WAIT
ALE: Number of ALE insertion
W: Number of Auto wait insertion
N : Number of external wait insertion
BUSCR<ALESEL>
BxxCS<BxW>
BxxCS<BxCSCV>
BxxCS<BxRCV>
BxxCS<BxWCV>
negated to next A0-A23 output
or
width low
hold after
HWR
hold
AC measurement conditions:
hold
Output levels:
Input levels:
Parameter
width low
asserted to D0-D15 valid
after
WAIT
after
RD
RD
RD
RD
,
,
input
negated
,
WR
=
WR
WR
2.7Vto3.6V, Ta = －20 to 85°C
WR
WR
or
or
or
or
or
HWR
HWR
HWR
HWR
HWR
High = 0.8DVCC3 V/Low 0.2DVCC3 V, CL = 30 pF
High = 0.7DVCC3 V/Low 0.3DVCC3 V
= ”01”
=“ 001”
= “01”
=“01”
= “0_1010”
TMP19A44 (rev1.3) 27-6
Symbol
t
t
t
t
t
t
t
t
t
t
t
t
t
t
SYS
AC
CAR
AD
RD
RR
HR
RAE
WW
DO
DW
WD
AW
CW
,
x
x (1 + ALE) – 19
x (1 + W) – 13
0
x
RWR) - 19
x (1 + W) - 13
x (1 + W) - 19
x (1 + CSR) - 19
x (W - 2) - 10
x (1 + CSR) – 19
(1+
Min
CSR
Equation
+
x (2 + ALE + W) – 46
x (1 + W) - 46
19
x (1 + ALE + W - 2) -
46
x (W - 2 + N) – 46
Max
124.5
124.5
118.5
TMP19A44
12.5
18.5
Min
(fsys)(Note)
90
6
6
0
6
40 MHz
116.5
Max
91.5
104
19
79
2010-04-01
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns