TMP90C041
4.3 AC Characteristics
Symbol
Parameter
Variable
Min
Max
tOSC
tCYC
tWL
tWH
tAC
tRR
tCA
tAD
tRD
tHR
tWW
tDW
tWD
tCWA
t AWA
tWAS
tWAH
tRV
tCPW
tPRC
tCPR
tCHCL
tCLC
tCLHA
tACL
tCLD
OSC. Period = x
CLK Period
CLK Low width
CLK High width
Address Setup to RD, WR
RD Low width
Address Hold Time After RD, WR
Address to Valid Data In
RD to Valid Data In
Input Data Hold After RD
WR Low width
Data Setup to WR
Data Hold After WR
RD, WR to Valid WAIT
Address to Valid WAIT
WAIT Setup to CLK
WAIT Hold After CLK
RD/WR Recovery Time
CLK to Port Data Output
Port Data Setup to CLK
Port Data Hold After CLK
RD/WR Hold After CLK
RD/WR Setup to CLK
Address Hold After CLK
Address Setup to CLK
Data Setup to CLK
80
4x
2x - 40
2x - 40
x - 45
2.5x - 40
0.5x - 30
-
-
0
2.5x - 40
2x - 50
30
–
–
70
0
1.5x - 35
–
200
100
x-60
1.5x - 25
1.5x - 80
2.5x - 80
x - 50
1000
4x
–
–
–
–
–
3.5x - 95
2.5x - 80
–
–
–
90
1.5x - 100
2.5x - 130
–
–
–
x + 200
–
–
–
–
–
–
–
• AC output level High 2.2V/Low 0.8V
• AC input level High 2.4V/Low 0.45V (D0 – D7)
High 0.8VCC/Low 0.2VCC (excluding D0 – D7)
10MHz Clock
Min
Max
100
-
400
–
160
–
160
–
55
–
210
–
20
–
–
255
–
170
0
–
210
–
150
–
30
90
–
50
–
120
70
–
0
–
115
–
–
300
200
–
100
–
40
–
100
–
70
–
170
–
50
–
TA = -20 ~ 70°C VCC = 5V ± 10%
CL = 50pF
12.5MHz Clock
Unit
Min
Max
80
–
ns
320
–
ns
120
–
ns
120
–
ns
35
–
ns
160
–
ns
10
–
ns
–
185
ns
–
120
ns
0
–
ns
160
–
ns
110
–
ns
30
90
ns
–
20
ns
–
70
ns
70
–
ns
0
–
ns
85
–
ns
–
280
ns
200
–
ns
100
–
ns
20
–
ns
70
–
ns
40
–
ns
120
–
ns
30
–
ns
8/12
TOSHIBA CORPORATION