M80C85 Просмотр технического описания (PDF) - Oki Electric Industry
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M80C85 Datasheet PDF : 19 Pages
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¡ Semiconductor
MSM82C53-2RS/GS/JS
AC CHARACTERISTICS
(VCC = 4.5 V to 5.5 V, Ta = –40 to +85°C)
Parameter
Address Set-up Time before Reading
Address Hold Time after Reading
Read Pulse Width
Read Recovery Time
Address Set-up Time before Writing
Address Hold Time after Writing
Write Pulse Width
Data Input Set-up Time before Writing
Data Input Hold Time after Writing
Write Recovery Time
Clock Cycle Time
Clock "H" Pulse Width
Clock "L" Pusle Width
"H" Gate Pulse Width
"L" Gate PUlse Width
Gate Input Set-up Time before Clock
Gate Input Hold Time after Clock
Output Delay Time after Reading
Output Floating Delay Time after
Reading
Output Delay Time after Gate
Output Delay Time after Clock
Output Delay Time after Address
Symbol
tAR
tRA
tRR
tRVR
tAW
tWA
tWW
tDW
tWD
tRVW
tCLK
tPWH
tPWL
tGW
tGL
tGS
tGH
tRD
tDF
tODG
tOD
tAD
MSM82C53-2
Min.
30
0
150
200
0
20
150
100
20
200
125
60
60
50
50
50
50
—
Max.
—
—
—
—
—
—
—
—
—
—
D.C.
—
—
—
—
—
—
120
5
90
—
120
—
150
—
180
Unit
Condition
ns
ns Read
ns Cycle
ns
ns
ns
ns Write
ns Cycle
ns
ns
ns
CL = 150 pF
ns
ns Clock
ns
and
ns
Gate
ns Timing
ns
ns
ns
ns
Delay
ns
Time
ns
Note: Timing measured at VL = 0.8 V and VH = 2.2 V for both inputs and outputs.
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