参数资料
型号: IS80C32-40PLI
厂商: INTEGRATED SILICON SOLUTION INC
元件分类: 微控制器/微处理器
英文描述: 8-BIT, 40 MHz, MICROCONTROLLER, PQCC44
封装: PLASTIC, LCC-44
文件页数: 38/48页
文件大小: 379K
代理商: IS80C32-40PLI
IS80C52
IS80C32
Integrated Silicon Solution, Inc. — 1-800-379-4774
43
MC004-1D
11/19/98
ISSI
Figure 31. Icc Test Conditions
0.45V
Vcc — 0.5V
tCHCX
tCLCL
tCLCH
tCLCX
tCHCL
0.7Vcc
0.2Vcc — 0.1
AC CHARACTERISTICS
(TA = 0
°C to 70°C; Vcc = 3.3V ± 10%; GND = 0V; Cl for Port 0, ALE and PSEN Outputs = 100 pF; Cl for other outputs = 80 pF)
Note:
1. Clock signal waveform for Icc tests in active and idle mode (tCLCH = tCHCL = 5 ns)
EXTERNAL MEMORY CHARACTERISTICS
24 MHz
40 MHz
Variable Oscillator
Clock
(3.5-24 MHz)
Symbol
Parameter
Min
Max
Min Max
Min
Max
Unit
1/tCLCL
Oscillator frequency
3.5
24
MHz
tLHLL
ALE pulse width
43
40
2tCLCL–40
ns
tAVLL
Address valid to ALE low
2
9
tCLCL–40
ns
tLLAX
Address hold after ALE low
7
30
tCLCL–35
ns
tLLIV
ALE low to valid instr in
105
70
3tCLCL–20
ns
tLLPL
ALE low to
PSEN low
2
15
tCLCL–40
ns
tPLPH
PSEN pulse width
80
65
3tCLCL–45
ns
tPLIV
PSEN low to valid instr in
73
45
2tCLCL–10
ns
tPXIX
Input instr hold after
PSEN
0—
0
0
ns
tPXIZ
Input instr float after
PSEN
—73
25
2tCLCL–10
ns
tAVIV
Address to valid instr in
147
80
4tCLCL–20
ns
tPLAZ
PSEN low to address float
10
5
10
ns
tRLRH
RD pulse width
150
100
6tCLCL–100
ns
tWLWH
WR pulse width
150
100
6tCLCL–100
ns
tRLDV
RD low to valid data in
114
90
5tCLCL–95
ns
tRHDX
Data hold after
RD
0—
0
0
ns
tRHDZ
Data float after
RD
—63
50
2tCLCL–70
ns
tLLDV
ALE low to valid data in
244
150
8tCLCL–90
ns
tAVDV
Address to valid data in
285
180
9tCLCL–90
ns
tLLWL
ALE low to
RD or WR low
75
175
60
95
3tCLCL–50
3tCLCL+50
ns
tAVWL
Address to
RD or WR low
77
65
4tCLCL–90
ns
tQVWX
Data valid to
WR transition
2
10
tCLCL–40
ns
tWHQX
Data hold after
WR
2—
10
tCLCL–40
ns
tQVWH
Data valid to
WR high
219
165
7tCLCL–70
ns
tRLAZ
RD low to address float
63
0
2tCLCL–20
ns
tWHLH
RD or WR high to ALE high
2
82
15
35
tCLCL–40
tCLCL+40
ns
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