CY7C1049BV33 データシートの表示（PDF） - Cypress Semiconductor
部品番号
コンポーネント説明
メーカー
CY7C1049BV33 Datasheet PDF : 10 Pages
| |||
CY7C1049BV33
AC Switching Characteristics[4] Over the Operating Range (continued)
Parameter
Description
Read Cycle
tpower
VCC(typical) to the First Access[6]
tRC
Read Cycle Time
tAA
Address to Data Valid
tOHA
Data Hold from Address Change
tACE
CE LOW to Data Valid
tDOE
OE LOW to Data Valid
tLZOE
tHZOE
tLZCE
tHZCE
OE LOW to Low Z
OE HIGH to High Z[6, 7]
CE LOW to Low Z[7]
CE HIGH to High Z[6, 7]
tPU
CE LOW to Power-Up
tPD
CE HIGH to Power-Down
Write Cycle[9]
tWC
tSCE
tAW
tHA
tSA
tPWE
tSD
tHD
tLZWE
tHZWE
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
WE Pulse Width
Data Set-Up to Write End
Data Hold from Write End
WE HIGH to Low Z[7]
WE LOW to High Z[6, 7]
-20
Min.
Max.
1
20
20
3
20
8
0
8
3
8
0
20
20
13
13
0
0
13
9
0
3
8
-25
Min.
Max. Unit
1
µs
25
ns
25
ns
3
ns
25
ns
10
ns
0
ns
10
ns
3
ns
10
ns
0
ns
25
ns
25
ns
15
ns
15
ns
0
ns
0
ns
15
ns
10
ns
0
ns
3
ns
10
ns
Data Retention Characteristics Over the Operating Range (For L version only)
Parameter
Description
Conditions[10]
VDR
VCC for Data Retention
ICCDR
tCDR[3]
Data Retention Current
Chip Deselect to Data Retention
Time
VCC = VDR = 2.0V,
CE > VCC – 0.3V
VIN > VCC – 0.3V or VIN < 0.3V
tR[11]
Operation Recovery Time
Notes:
10. No input may exceed VCC + 0.5V
11. .tr < 3 ns for the -12 and -15 speeds. tr < 5 ns for the -20 ns and slower speeds.
Min.
2.0
0
tRC
Max Unit
V
330 µA
ns
ns
Document #: 38-05139 Rev. *A
Page 5 of 10
Share Link: 