CY7C421-20PC Cypress Semiconductor Corp, CY7C421-20PC Datasheet - Page 4

• Manufacturer Part Number: CY7C421-20PC
• Manufacturer: Cypress Semiconductor Corp

Specifications of CY7C421-20PC

• Configuration: Dual
• Density: 4.5Kb
• Access Time (max): 20ns
• Word Size: 9b
• Organization: 512x9
• Sync/async: Asynchronous
• Expandable: Yes
• Bus Direction: Uni-Directional
• Package Type: PDIP
• Clock Freq (max): Not RequiredMHz
• Operating Supply Voltage (typ): 5V
• Operating Supply Voltage (min): 4.5V
• Operating Supply Voltage (max): 5.5V
• Supply Current: 55mA
• Operating Temp Range: 0C to 70C
• Operating Temperature Classification: Commercial
• Mounting: Through Hole
• Pin Count: 28
• Lead Free Status / RoHS Status: Not Compliant

Electrical Characteristics
Over the Operating Range
Capacitance
Tested initially and after any design or process changes that may affect these parameters.
Document #: 38-06001 Rev. *D
I
I
I
I
C
C
CC
CC1
SB1
SB2
Parameter
IN
OUT
Parameter
Operating Current
Operating Current
Standby Current
Power Down Current
Description
[3]
V
I
f = f
V
I
F = 20 MHz
All Inputs =
V
All Inputs >
V
Input Capacitance
Output Capacitance
OUT
OUT
CC
CC
IH
CC
MAX
Min.
= Max.,
= Max.,
–0.2V
= 0 mA
= 0 mA
Test Conditions
Description
Commercial
Industrial
Commercial
Commercial
Industrial
Commercial
Industrial
T
V
A
CC
Min
Test Conditions
= 25
= 4.5V
–30
°
C, f = 1 MHz,
Max
40
75
35
10
15
5
8
Min
CY7C419/21/25/29/33
–40
Max
35
70
35
10
15
5
8
Max
6
6
Min
–65
Max
35
65
35
10
15
Page 4 of 16
5
8
Unit
pF
pF
Unit
mA
mA
mA
mA
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