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HD6475328-CP10 Datasheet, PDF (331/459 Pages) Hitachi Semiconductor – original Hitachi CMOS microcomputer unit (MCU) | |||
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H8/532
Port
-------------
2 kâ¦
-------------
Darlington pair
H8/532
Vcc
Port 4
600 â¦
LED
Figure 20-1 Example of Circuit for Driving a Figure 20-2 Example of Circuit for Driving
Darlington Transistor Pair
an LED
20.2.2 AC Characteristics
The AC characteristics of the H8/532 chip are listed in three tables. Bus timing parameters are
given in table 20-4, control signal timing parameters in table 20-5, and timing parameters of the
on-chip supporting modules in table 20-6.
Table 20-4 Bus Timing
Conditions: VCC = 5.0V ±10%, AVCC = 5.0V ±10%, ø = 0.5 to 10MHz, VSS = 0V
Ta = â20 to +75ËC (Regular Specifications)
Ta = â40 to +85ËC (Wide-Range Specifications)
Item
Clock cycle time
Clock pulse width Low
Clock pulse width High
Clock rise time
Clock fall time
Address delay time
Address hold time
Data strobe delay time 1
Data strobe delay time 2
Data strobe delay time 3
Write data strobe pulse width
Address setup time 1
6MHz
Symbol Min Max
tcyc
166.7 2000
tCL
65 â
tCH
65 â
tCr
â 15
tCf
â 15
tAD
â 70
tAH
30 â
tDSD1 â
70
tDSD2 â
70
tDSD3 â
70
tDSWW 200 â
tAS1
25 â
8MHz
10MHz
Measurement
Min Max Min Max Unit Conditions
125 2000 100 2000 ns See figure 20-4
45 â 35 â ns
45 â 35 â ns
â 15 â 15 ns
â 15 â 15 ns
â 65 â 65 ns
25 â 20 â ns
â 60 â 40 ns
â 60 â 50 ns
â 60 â 50 ns
150 â 120 â ns
20 â 15 â ns
322
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