QS8780-25D
vs
VT20C79-25PC
feature comparison
All Stats
Differences Only
Rohs Code
Part Life Cycle Code
Obsolete
Obsolete
Ihs Manufacturer
QUALITY SEMICONDUCTOR INC
VLSI TECHNOLOGY INC
Reach Compliance Code
unknown
unknown
Access Time-Max
25 ns
25 ns
JESD-30 Code
R-GDIP-T22
R-PDIP-T22
JESD-609 Code
e0
e0
Memory Density
16384 bit
16384 bit
Memory IC Type
CACHE TAG SRAM
CACHE SRAM
Memory Width
4
4
Number of Functions
1
1
Number of Ports
1
1
Number of Terminals
22
22
Number of Words
4096 words
4096 words
Number of Words Code
4000
4000
Operating Mode
ASYNCHRONOUS
ASYNCHRONOUS
Operating Temperature-Max
70 °C
70 °C
Operating Temperature-Min
Organization
4KX4
4KX4
Output Characteristics
3-STATE
3-STATE
Output Enable
YES
YES
Package Body Material
CERAMIC, GLASS-SEALED
PLASTIC/EPOXY
Package Code
DIP
DIP
Package Equivalence Code
DIP22,.3
DIP22,.3
Package Shape
RECTANGULAR
RECTANGULAR
Package Style
IN-LINE
IN-LINE
Parallel/Serial
PARALLEL
PARALLEL
Qualification Status
Not Qualified
Not Qualified
Standby Current-Max
0.11 A
Supply Current-Max
0.11 mA
0.135 mA
Supply Voltage-Max (Vsup)
5.5 V
5.5 V
Supply Voltage-Min (Vsup)
4.5 V
4.5 V
Supply Voltage-Nom (Vsup)
5 V
5 V
Surface Mount
NO
NO
Technology
CMOS
CMOS
Temperature Grade
COMMERCIAL
COMMERCIAL
Terminal Finish
TIN LEAD
TIN LEAD
Terminal Form
THROUGH-HOLE
THROUGH-HOLE
Terminal Pitch
2.54 mm
2.54 mm
Terminal Position
DUAL
DUAL
Base Number Matches
1
1
I/O Type
COMMON
Standby Voltage-Min
4.5 V
Compare QS8780-25D with alternatives
Compare VT20C79-25PC with alternatives