Q67100-Q851 Просмотр технического описания (PDF) - Siemens AG
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Q67100-Q851 Datasheet PDF : 22 Pages
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HYB 514800BJ -60/-70/-80
512k x 8 DRAM
AC Characteristics (cont’d)4)
TA = 0 to 70 ˚C; VCC = 5 V ± 10 %; tT = 5 ns
Parameter
Symbol
-60
min. max.
Data to OE low
tDZ0
0
–
delay 14)
CAS high to data
tCDD
20
–
delay 15)
OE high to data
tODD
20
–
delay 15)
CAS hold time after tOECH
20
–
OE low
Limit Values
-70
min. max.
0
–
min.
0
-80
max.
–
20
–
20
–
20
–
20
–
20
–
20
–
Unit
ns
ns
ns
ns
Capacitance
TA = 0 to 70 ˚C; VCC = 5 V ± 10 %; f = 1 MHz
Parameter
Input capacitance (A0 to A9)
Input capacitance (RAS, CAS, WE)
Output capacitance (IO1 to IO8)
Symbol
Ci1
Ci2
Cio
Limit Values
min.
max.
–
5
–
7
–
7
Unit
pF
pF
pF
Semiconductor Group
133
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