参数资料
型号: M38002E4DSP
元件分类: 微控制器/微处理器
英文描述: 8-BIT, OTPROM, 8 MHz, MICROCONTROLLER, PDIP64
封装: 0.750 INCH, 1.78 MM PITCH, PLASTIC, SDIP-64
文件页数: 3/174页
文件大小: 1752K
代理商: M38002E4DSP
APPLICATION
2.4 Processor mode
2-51
3800 GROUP USER’S MANUAL
Figure 2.4.4, Figure 2.4.5 and Figure 2.4.6 show a standard timing at 8 MHz (No-Wait).
Fig. 2.4.4 Read-cycle (OE access, SRAM)
Fig. 2.4.5 Read-cycle (OE access, EPROM)
Output enabled access time of M5M5256BP
Data bus setup time before RD of 3800
td(AH—RD)
RD pulse width of 3800
RD delay time after outputting address of 3800
50 ns (max)
65 ns (min)
Address (low-order)
A0–A7
(Port P0)
Address (high-order)
A8–A14
(Port P1)
DQ1–DQ8
(Port P2)
S
(A15)
WR
“H”
level
125 ns - 10 ns (min)
125 ns - 35 ns (min)
OE
(RD of 3800)
td(AH—RD)
tWL(RD)
ta(OE)
tsu(DB—RD)
:
tWL(RD)
:
ta(OE)
:
tsu(DB—RD)
RD delay time after outputting address of 3800
Output enabled access time of M5M27C256AK
Data bus setup time before RD of 3800
50 ns (max)
65 ns (min)
Address (low-order)
A0–A7
(Port P0)
Address (high-order)
A8–A14
(Port P1)
D0–D7
(Port P2)
WR
“H”
level
CE
5.8 ns (max)
tPHL
125 ns - 10ns (min)
125 ns - 35 ns (min)
OE
(RD of 3800)
td(AH—RD)
tWL(RD)
ta(OE)
tsu(DB—RD)
RD pulse width of 3800
ta(OE)
td(AH—RD)
tWL(RD)
tsu(DB—RD)
tPHL
:
: Output delay time of 74F04
Data
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