CY7C421-40PC Cypress Semiconductor Corp, CY7C421-40PC Datasheet - Page 15

• Manufacturer Part Number: CY7C421-40PC
• Manufacturer: Cypress Semiconductor Corp

Specifications of CY7C421-40PC

• Configuration: Dual
• Density: 4.5Kb
• Access Time (max): 40ns
• 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: 35mA
• Operating Temp Range: 0C to 70C
• Operating Temperature Classification: Commercial
• Mounting: Through Hole
• Pin Count: 28
• Lead Free Status / Rohs Status: Not Compliant

Package Diagrams
Document #: 38-06001 Rev. *D
DIMENSIONS IN INCHES
0.050
0.115[2.92]
0.160[4.06]
TYP.
0.140[3.55]
0.190[4.82]
0.090[2.28]
0.110[2.79]
14
15
14
15
0.697
0.713
A
Figure 17. 28-Pin (300-Mil) Molded SOJ, 51-85031
(LEAD #1, 14, 15 & 28)
MIN.
MAX.
LEAD END OPTION
Figure 16. 28-Pin (300-Mil) PDIP, 51-85014
1.345[34.16]
1.385[35.18]
0.055[1.39]
0.065[1.65]
28
1
0.025 MIN.
SEE LEAD END OPTION
0.291
0.300
PIN 1 ID
0.120
0.140
0.015[0.38]
0.020[0.50]
0.330
0.350
28
1
SEATING PLANE
0.120[3.05]
0.140[3.55]
0.030[0.76]
0.080[2.03]
0.260[6.60]
0.295[7.49]
0.004
0.015[0.38]
0.060[1.52]
SEE LEAD END OPTION
SEATING PLANE
OPTION 1
0.009[0.23]
0.012[0.30]
DIMENSIONS IN INCHES [MM] MIN.
REFERENCE JEDEC MO-095
PACKAGE WEIGHT: 2.15 gms
EXTERNAL LEAD DESIGN
0.262
0.272
0.013
0.019
0.290[7.36]
0.325[8.25]
0.385[9.78]
0.310[7.87]
CY7C419/21/25/29/33
DETAIL
MAX.
A
3° MIN.
OPTION 2
0.007
0.013
0.014
0.020
0.026
0.032
51-85014-*D
51-85031-*B
Page 15 of 16
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