HT16528-003 Просмотр технического описания (PDF) - Holtek Semiconductor
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HT16528-003 Datasheet PDF : 40 Pages
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HT16528
Timing Conditions 1 for M68-Type for Parallel Mode, Write
Symbol
Parameter
Test Conditions
VDD
Conditions
tCYCLE Enable Cycle Time
4.5V~5.5V
E ® E
2.7V~4.5V
PWEH
Enable Pulse Width High
4.5V~5.5V
E
2.7V~4.5V
PWEL
Enable Pulse Width Low
4.5V~5.5V
E
2.7V~4.5V
tAS
((RS), (R, W), (CS)) ¾ (E)
Setup Time
4.5V~5.5V
RS, R, W, CS ® E
2.7V~4.5V
tAH
((RS), (R, W)) ¾ (E)
Hold Time
4.5V~5.5V
E¯ ® RS, R, W
2.7V~4.5V
4.5V~5.5V
tCH
(CS) ¾ (E) Hold Time
E¯ ® CS
2.7V~4.5V
4.5V~5.5V
tDS
Write Data Setup Time
Data ® E
2.7V~4.5V
4.5V~5.5V
tDH
Write Data Hold Time
E¯ ® Data
2.7V~4.5V
4.5V~5.5V
tWRE
Reset Pulse Width
¾
2.7V~4.5V
Min.
500
1000
230
450
230
450
20
60
10
20
20
40
80
195
10
10
500
500
Typ.
¾
¾
¾
¾
¾
¾
¾
¾
¾
¾
¾
¾
¾
¾
¾
¾
¾
¾
Ta=25°C
Max. Unit
¾
ns
¾
ns
¾
ns
¾
ns
¾
ns
¾
ns
¾
ns
¾
ns
¾
ns
¾
ns
¾
ns
¾
ns
¾
ns
¾
ns
¾
ns
¾
ns
¾
ns
¾
ns
M68-Type for Parallel Mode, Read
Symbol
Parameter
Test Conditions
VDD
Conditions
tCYCLE Enable Cycle Time
4.5V~5.5V
E ® E
2.7V~4.5V
PWEH
Enable Pulse Width High
4.5V~5.5V
E
2.7V~4.5V
PWEL
Enable Pulse Width Low
4.5V~5.5V
E
2.7V~4.5V
tAS
((RS), (R, W), (CS)) ¾ (E)
Setup Time
4.5V~5.5V
RS, R, W, CS ® E
2.7V~4.5V
tAH
((RS), (R, W)) ¾ (E)
Hold Time
4.5V~5.5V
E¯ ® RS, R, W
2.7V~4.5V
4.5V~5.5V
tCH
(CS) ¾ (E) Hold Time
E¯ ® CS
2.7V~4.5V
4.5V~5.5V
tDD
Read Data Setup Time
Data ® E
2.7V~4.5V
4.5V~5.5V
tDHr
Read Data Hold Time
E¯ ® Data
2.7V~4.5V
Min.
500
1000
230
450
230
450
20
60
10
30
20
40
¾
¾
5
5
Typ.
¾
¾
¾
¾
¾
¾
¾
¾
¾
¾
¾
¾
¾
¾
¾
¾
Ta=25°C
Max. Unit
¾
ns
¾
ns
¾
ns
¾
ns
¾
ns
¾
ns
¾
ns
¾
ns
¾
ns
¾
ns
¾
ns
¾
ns
160
ns
360
ns
¾
ns
¾
ns
Rev. 1.10
14
July 5, 2011
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