参数资料
型号: SAB80C517-N-T40
厂商: INFINEON TECHNOLOGIES AG
元件分类: 微控制器/微处理器
英文描述: 8-BIT, MROM, 12 MHz, MICROCONTROLLER, PQCC84
封装: PLASTIC, LCC-84
文件页数: 46/61页
文件大小: 1054K
代理商: SAB80C517-N-T40
SAB 80C517/80C537
Semiconductor Group
49
AC Characteristics
VCC = 5 V ± 10 %; VSS = 0 V T A =
0 to 70 oC for the SAB 80C517/83C537
T A = 40 to 85
oC for the SAB 80C517/83C537-T40/85
(CL for port 0, ALE and PSEN outputs = 100 pF; CL for all other outputs = 80 pF))
Parameter
Symbol
Limit Values
Unit
12 MHz Clock
Variable Clock
1/t CLCL = 3.5 MHz to 12 MHz
min
max.
min.
max.
Program Memory Characteristics
ALE pulse width
tLHLL
127
2 tCLCL – 40
ns
Address setup to ALE
tAVLL
53
tCLCL – 30
ns
Address hold after ALE
tLLAX
48
tCLCL – 35
ns
ALE to valid
instruction in
tLLIV
233
4tCLCL – 100
ns
ALE to PSEN
tLLPL
58
tCLCL – 25
ns
PSEN pulse width
tPLPH
215
3 tCLCL – 35
ns
PSEN to valid
instruction in
tPLIV
150
3tCLCL – 100
ns
Input instruction hold
after PSEN
tPXIX
0–0
ns
Input instruction oat
after PSEN *)
tPXIX
*)
–63
tCLCL – 20
ns
Address valid after
PSEN *)
tPXAV
*)
75
tCLCL – 8
ns
Address to valid
instruction in
tAVIV
302
0
5tCLCL – 115
ns
Address oat to PSEN
tAZPL
–––
ns
*)
Interfacing the SAB 80C517 to devices with float times up to 75 ns is permissible.
This limited bus contention will not cause any damage to port 0 drivers.
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