L7C195CME20 datasheet, PDF - EEWORLD Datasheet

L7C195CME20: DescriptionStandard SRAM, 64KX4, 20ns, CMOS, CDIP28, 0.300 INCH, CERDIP-28; Categorystorage storage; File Size289KB，7 Pages; ManufacturerLOGIC Devices; Websitehttp://www.logicdevices.com/

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L7C195CME20 Overview

Standard SRAM, 64KX4, 20ns, CMOS, CDIP28, 0.300 INCH, CERDIP-28

Parameter Name	Attribute value
Is it Rohs certified?	incompatible
Parts packaging code	DIP
package instruction	DIP, DIP28,.3
Contacts	28
Reach Compliance Code	unknown
ECCN code	3A001.A.2.C
Maximum access time	20 ns
Other features	AUTOMATIC POWER-DOWN
I/O type	COMMON
JESD-30 code	R-GDIP-T28
JESD-609 code	e0
length	36.83 mm
memory density	262144 bit
Memory IC Type	STANDARD SRAM
memory width	4
Humidity sensitivity level	3
Number of functions	1
Number of ports	1
Number of terminals	28
word count	65536 words
character code	64000
Operating mode	ASYNCHRONOUS
Maximum operating temperature	125 °C
Minimum operating temperature	-55 °C
organize	64KX4
Output characteristics	3-STATE
Exportable	YES
Package body material	CERAMIC, GLASS-SEALED
encapsulated code	DIP
Encapsulate equivalent code	DIP28,.3
Package shape	RECTANGULAR
Package form	IN-LINE
Parallel/Serial	PARALLEL
power supply	5 V
Certification status	Not Qualified
Filter level	MIL-STD-883 Class B (Modified)
Maximum seat height	5.08 mm
Maximum standby current	0.005 A
Minimum standby current	2 V
Maximum slew rate	0.125 mA
Maximum supply voltage (Vsup)	5.5 V
Minimum supply voltage (Vsup)	4.5 V
Nominal supply voltage (Vsup)	5 V
surface mount	NO
technology	CMOS
Temperature level	MILITARY
Terminal surface	Tin/Lead (Sn/Pb)
Terminal form	THROUGH-HOLE
Terminal pitch	2.54 mm
Terminal location	DUAL
width	7.62 mm
Base Number Matches	1

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3 keys to control the motor, 1 key to turn the motor on and off, 2 keys to accelerate, 3 keys to decelerate: #include__CONFIG(0X1832); // 877A, the hardware has been debugged #define keyO3 RB5 //Connect the pull-up for keyboard input #define keyO4 RB4 // #define keyI2 RB2 //For output, it forms 4 buttons wit...; eeleader-mcu MCU

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