7C132-25 Просмотр технического описания (PDF) - Cypress Semiconductor
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7C132-25 Datasheet PDF : 18 Pages
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CY7C132/CY7C136
CY7C142/CY7C146
AC Test Loads and Waveforms
5V
OUTPUT
R1893Ω
30 pF
INCLUDING
JIGAND
SCOPE (a)
R2
347Ω
5V
OUTPUT
R1893Ω
5 pF
INCLUDING
JIGAND
SCOPE (b)
R2
347Ω
C132-5
5V
BUSY
OR
INT
281Ω
30pF
C132-6
BUSYOutput Load
(CY7C132/CY7C136 ONLY)
Equivalent to:
THVÉNIN EQUIVALENT
OUTPUT
250Ω
1.4V
3.0V
GND
10%
< 5 ns
ALL INPUT PULSES
90%
90%
10%
< 5 ns
]
Switching Characteristics Over the Operating Range[6, 11]
Parameter
Description
READ CYCLE
tRC
Read Cycle Time
tAA
Address to Data Valid[12]
tOHA
Data Hold from Address Change
tACE
CE LOW to Data Valid[12]
tDOE
OE LOW to Data Valid[12]
tLZOE
OE LOW to Low Z[10, 13]
tHZOE
OE HIGH to High Z[10, 13, 14]
tLZCE
CE LOW to Low Z[10, 13]
tHZCE
CE HIGH to High Z[10, 13, 14]
tPU
CE LOW to Power-Up[10]
tPD
CE HIGH to Power-Down[10]
WRITE CYCLE[15]
tWC
tSCE
tAW
tHA
tSA
tPWE
tSD
tHD
tHZWE
tLZWE
Write Cycle Time
CE LOW to Write End
Address Set-Up to Write End
Address Hold from Write End
Address Set-Up to Write Start
R/W Pulse Width
Data Set-Up to Write End
Data Hold from Write End
R/W LOW to High Z [10]
R/W HIGH to Low Z [10]
7C136-15[3,4]
7C146-15
Min. Max.
15
15
0
15
10
3
10
3
10
0
15
15
12
12
2
0
12
10
0
10
0
7C132-25[3]
7C136-25
7C142-25
7C146-25
Min. Max.
25
25
0
25
15
3
15
5
15
0
25
25
20
20
2
0
15
15
0
15
0
7C132-30
7C136-30
7C142-30
7C146-30
Min. Max.
30
30
0
30
20
3
15
5
15
0
25
30
25
25
2
0
25
15
0
15
0
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
4
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