參數(shù)資料
型號: Intel386 EX
廠商: Intel Corp.
英文描述: Highly Integrated, 32-Bit, Fully Static Embedded Micropocessor(32位高集成完全靜態(tài)嵌入式微處理器)
中文描述: 高度集成,32位,全靜態(tài)嵌入式Micropocessor(32位高集成完全靜態(tài)嵌入式微處理器)
文件頁數(shù): 25/48頁
文件大?。?/td> 515K
代理商: INTEL386 EX
Special Environment
Intel386 EX Embedded Processor
PRELIMINARY
21
t11
M/IO#, D/C#, W/R#, REFRESH#, ADS#
Float Delay
4
39
(Note 4)
t12
D15:0 Write Data Valid Delay
4
28
C
L
= 50 pF
(Note 3)
t13
D15:0 Write Data Float delay
4
24
(Note 4)
t14
HLDA Valid Delay
4
27
C
L
= 50 pF
(Note 3)
t15
NA# Setup Time
5
t16
NA# Hold Time
10
t19
READY# Setup Time
9
t19a
BS8# Setup Time
11
t20
READY#, BS8# Hold Time
4
t21
D15:0 Read Setup Time
5
t22
D15:0 Read Hold Time
5
t23
HOLD Setup Time
9
t24
HOLD Hold Time
5
t25
RESET Setup Time
8
t26
RESET Hold Time
4
t27
NMI Setup Time
12
(Note 5)
t27a
SMI# Setup Time
12
(Note 5)
t28
NMI Hold Time
6
(Note 5)
t28a
SMI# Hold Time
6
(Note 5)
t29
PEREQ, ERROR#, BUSY# Setup Time
6
(Note 5)
t30
PEREQ, ERROR#, BUSY# Hold Time
6
(Note 5)
t31
READY# Valid Delay
4
32
t32
READY# Float Delay
4
34
Table 11. AC Characteristics
(Sheet 2 of 5)
Symbol
Parameter
25 MHz
4.75 V to 5.25 V
Test Condition
Min.
(ns)
Max.
(ns)
NOTES:
1. Tested at maximum operating frequency and guaranteed by design characterization at lower operating frequencies.
2. These are not tested. They are guaranteed by characterization.
3. Tested with C
L
set at 50 pF. Timings are guaranteed with C
L
set at 75 pF.
4. Float condition occurs when maximum output current becomes less than I
LO
in magnitude. Float delay is not fully tested.
5. These inputs may be asynchronous to CLK2. The setup and hold specifications are given for testing purposes to ensure
recognition within a specific CLK2 period.
6. These specifications are for information only and are not tested. They are intended to assist the designer in selecting
memory speeds. For each wait state in the design add two CLK2 cycles to the specification.
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