CY7C474 データシートの表示（PDF） - Cypress Semiconductor
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CY7C474 Datasheet PDF : 15 Pages
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CY7C470
CY7C472
CY7C474
Selection Guide
Frequency (MHz)
Maximum Access Time (ns)
Maximum Operating Current (mA)
Commercial
Military/Industrial
7C470–15
7C472–15
7C474–15
33.3
15
105
7C470–20
7C472–20
7C474–20
33.3
20
7C470–25
7C472–25
7C474–25
28.5
25
7C470–40
7C472–40
7C474–40
20
40
Maximum Ratings
Storage Temperature ................................. –65°C to +150°C
Ambient Temperature with
Power Applied............................................. –55°C to +125°C
Supply Voltage to Ground Potential ............... –0.5V to +7.0V
DC Voltage Applied to Outputs
in High Z State ............................................... –0.5V to +7.0V
DC Input Voltage............................................ –3.0V to +7.0V
Power Dissipation ..........................................................1.0W
Output Current, into Outputs (LOW) ............................ 20 mA
Static Discharge Voltage ........................................... >2001V
(per MIL-STD-883, Method 3015)
Latch-Up Current ..................................................... >200 mA
Operating Range
Range
Commercial
Industrial
Military[1]
Ambient
Temperature
0°C to +70°C
–40°C to +85°C
–55°C to +125°C
VCC
5V ± 10%
5V ± 10%
5V ± 10%
Electrical Characteristics Over the Operating Range[2]
7C470–15
7C472–15
7C474–15
7C470–20
7C472–20
7C474–20
7C470–25
7C472–25
7C474–25
Parame-
ter
Description
Test Conditions
Min. Max. Min. Max. Min. Max. Unit
VOH
Output HIGH Voltage
VOL
Output LOW Voltage
VIH
VCC = Min., IOH = –2.0 mA
VCC = Min., IOL = 8.0 mA
Com’l
2.4
2.4
2.4
V
0.4
0.4
0.4 V
2.2
2.2
V
Mil/Ind
2.2
2.2
VIL
Input LOW Voltage
0.8
0.8
0.8 V
IIX
Input Leakage Current
GND ≤ VI ≤ VCC
–10 +10 –10 +10 –10 +10 µA
IOZ
Output Leakage Current
R ≥ VIH, GND ≤ VO ≤ VCC
–10 +10 –10 +10 –10 +10 µA
ICC
Operating Current
VCC = Max.,
IOUT = 0 mA
Com’l
Mil/Ind
105
110
90 mA
95
ISB1
Standby Current
All Inputs =
VIH Min.
Com’l
Mil/Ind
25
25 mA
30
30
ISB2
Power-Down Current
All Inputs =
VCC –0.2V
Com’l
Mil/Ind
20
25
IOS[3]
Output Short Circuit Current VCC = Max., VOUT = GND
–90
–90
Notes:
1. TA is the “instant on” case temperature.
2. See the last page of this specification for Group A subgroup testing information.
3. Not more than one output should be tested at a time. Duration of the short circuit should not be more than one second.
20 mA
25
–90 mA
2
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