CY7C197
Typical DC and AC Characteristics (continued)
TYPICAL POWER-ON CURRENT
vs. SUPPLY VOLTAGE
3.0
2.5
2.0
1.5
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 ICC vs. CYCLE TIME
1.25
1.00
VCC =5.0V
TA =25°C
VIN =0.5V
0.75
0.50
10
20
30
40
CYCLE FREQUENCY (MHz)
7C197 Truth Table
CE
WE
Input/Output
H
X
High Z
L
H
Data Out
L
L
Data In
Mode
Deselect/Power-Down
Read
Write
Ordering Information
Speed
(ns)
Ordering Code
Package
Name
Package Type
Operating
Range
12 CY7C197−12PC
P13 24-Lead (300-Mil) Molded DIP
Commercial
CY7C197−12VC
V13 24-Lead Molded SOJ
15 CY7C197−15PC
P13 24-Lead (300-Mil) Molded DIP
Commercial
CY7C197−15VC
V13 24-Lead Molded SOJ
CY7C197−15DMB
D14 24-Lead (300-Mil) CerDIP
Military
20 CY7C197−20PC
P13 24-Lead (300-Mil) Molded DIP
Commercial
CY7C197−20VC
V13 24-Lead Molded SOJ
CY7C197−20DMB
D14 24-Lead (300-Mil) CerDIP
Military
25 CY7C197−25PC
P13 24-Lead (300-Mil) Molded DIP
Commercial
CY7C197−25VC
V13 24-Lead Molded SOJ
CY7C197−25DMB
D14 24-Lead (300-Mil) CerDIP
Military
CY7C197−25LMB
L54 24-Pin Rectangular Leadless Chip Carrier
35 CY7C197−35PC
P13 24-Lead (300-Mil) Molded DIP
Commercial
CY7C197−35VC
V13 24-Lead Molded SOJ
CY7C197−35DMB
D14 24-Lead (300-Mil) CerDIP
Military
CY7C197−35LMB
L54 24-Pin Rectangular Leadless Chip Carrier
45 CY7C197−45DMB
D14 24-Lead (300-Mil) CerDIP
Military
CY7C197−45LMB
L54 24-Pin Rectangular Leadless Chip Carrier
Shaded area contains preliminary information.
7