CY7C148 查看數據表（PDF） - Cypress Semiconductor
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CY7C148 Datasheet PDF : 9 Pages
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CY7C148
CY7C149
Typical DC and AC Characteristics
TYPICAL POWER–ON CURRENT
vs.SUPPLY VOLTAGE(7C148)
3.0
2.5
TA =25°C
2.0
1K Ω CSPULL–UP
RESISTORTOV CC
1.5
ISB
1.0
0.5
0.0
0.0 1.0 2.0 3.0 4.0 5.0
SUPPLY VOLTAGE(V)
TYPICAL ACCESS TIME CHANGE
vs.OUTPUT LOADING
30.0
25.0
20.0
15.0
10.0
5.0
VCC =4.5V
TA =25°C
0.0
0
200 400 600 800 1000
CAPACITANCE (pF)
NORMALIZED I CC vs.ACCESS TIME
1.4
1.3
1.2
1.1
1.0
0.9
0.8
10
20 30 40 50 60
CYCLE FREQUENCY (MHz)
Ordering Information
Speed
(ns)
Ordering Code
25 CY7C148−25PC
35 CY7C148−35PC
CY7C148−35DMB
45 CY7C148−45PC
CY7C148−45DMB
Package
Name
P3
P3
D4
P3
D4
Package Type
18-Lead (300-Mil) Molded DIP
18-Lead (300-Mil) Molded DIP
18-Lead (300-Mil) CerDIP
18-Lead (300-Mil) Molded DIP
18-Lead (300-Mil) CerDIP
Operating
Range
Commercial
Commercial
Military
Commercial
Military
Speed
(ns)
25
35
45
Ordering Code
CY7C149−25PC
CY7C149−35PC
CY7C149−35DMB
CY7C149−35LMB
CY7C149−45PC
CY7C149−45DMB
CY7C149−45LMB
Package
Name
P3
P3
D4
L50
P3
D4
L50
Package Type
Operating
Range
18-Lead (300-Mil) Molded DIP
Commercial
18-Lead (300-Mil) Molded DIP
Commercial
18-Lead (300-Mil) CerDIP
Military
18-Pin Rectangular Leadless Chip Carrier
18-Lead (300-Mil) Molded DIP
Commercial
18-Lead (300-Mil) CerDIP
Military
18-Pin Rectangular Leadless Chip Carrier
Document #: 38-05059 Rev. **
Page 6 of 9
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