參數(shù)資料
型號(hào): 272420-007
廠商: Intel Corp.
英文描述: Intel386 EX Embedded Microprocessor
中文描述: 英特爾386防爆嵌入式微處理器
文件頁(yè)數(shù): 36/56頁(yè)
文件大小: 766K
代理商: 272420-007
Intel386 EX Embedded Microprocessor
36
Datasheet
t
122
EOP# Setup Time
(Sync Mode)
15
15
t
123
EOP# Hold Time
(Sync Mode)
4
4
t
124
EOP# Setup Time
(Async Mode)
9
9
t
125
EOP# Hold Time
(Async Mode)
9
9
DMA Unit Outputs
t
126
t
127
t
128
JTAG Test-logic Unit
DACK# Output Valid Delay
4
21
4
25
EOP# Active Delay
4
25
4
25
EOP# Float Delay
4
25
4
25
(3)
t
129
NOTE:
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. Float condition occurs when maximum output current becomes less than I
LO
in magnitude. Float delay is not
fully tested.
4. These inputs may be asynchronous to CLK2. The setup and hold specifications are given to ensure recognition
within a specific CLK2 period.
5. 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.
6. This specification assumes that READY# goes active after the rising edge of phase 2, so that WR# goes
inactive as a result of READY# falling.
7. This specification assumes that READY# goes active before the rising edge of phase 2, so that WR# goes
inactive as a result of phase 2 rising.
8. This specification applies if READY# is generated internally.
TCK Frequency
10
10
(Unit is MHz)
Table 11. 5-Volt AC Characteristics (Sheet 5 of 5)
Symbol
Parameter
33 MHz
25 MHz
Test Condition
Min.
(ns)
Max.
(ns)
Min.
(ns)
Max.
(ns)
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