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TS68230 データシート(PDF) 49 Page - STMicroelectronics

部品番号 TS68230
部品情報  HMOS PARALLEL INTERFACE/TIMER
PDF  61 Pages
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メーカー  STMICROELECTRONICS [STMicroelectronics]
ホームページ  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

TS68230 データシート(HTML) 49 Page - STMicroelectronics

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6.4 DC ELECTRICAL CHARACTERISTICS (VCC = 5.0Vdc ± 5%, TA =TL to TH unless otherwise noted)
Symbol
Parameter
Min.
Max.
Unit
VIH
Input High Voltage
All Inputs
VSS + 2.0
VCC
V
VIL
Input Low Voltage
All Inputs
VSS – 0.3
VSS + 0.8
V
IIN
Input Leakage Current (VIN = 0 to 5.25V)
H1, H3, R/W, RESET,
CLK, RS1-RS5, CS
10.0
µA
ITSI
Hi-Z Input Current (VIN = 0.4 to 2.4)
D0-D7 DTACK, PC0-PC7,
H2, H4, PA0-PA7, PB0-PB7
– 0.1
20
– 1.0
µA
mA
VOH
Output High Voltage
(ILoad = – 400
µA, VCC = min)
(ILoad = – 150
µA, VCC = min)
(ILoad = – 100
µA, VCC = min)
DTACK, D0-D7
H2, H4, PB0-PB7, PA0-PA7
PC0-PC7
VSS + 2.4
V
VOL
Output Low Voltage
(ILoad = 8.8mA, VCC = min)
(ILoad = 5.3mA, VCC = min)
(ILoad = 2.4mA, VCC = min)
PC3/TOUT, PC5/PIRQ
D0-D7, DTACK
PA0-PA7, PB0-PB7, H2, H4,
PC0-PC2, PC4, PC6, PC7
0.5
V
PINT
Internal Power Dissipation (measured at T A =0
°C)
750
mW
CIN
Input Capacitance (Vin =0, T A =25
°C, f = 1MHz)
15
pF
6.5 AC ELECTRICAL SPECIFICATIONS – CLOCK TIMING (see figure 6.1)
8 MHz
1 0 MHz
Symbol
Parameter
Min.
Max.
Min.
Max.
Unit
f
Frequency of Operation
2.0
8.0
2.0
10.0
MHz
tcyc
Cycle Time
125
500
100
500
ns
tCL
tCH
Clock Pulse Width
55
55
250
250
45
45
250
250
ns
tCr
tCf
Rise and Fall Times
10
10
10
10
ns
Figure 6.1 : Clock Input Timing Diagram.
TS68230
49/61



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