MM74C945CQH datasheet, PDF - EEWORLD Datasheet

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MM74C945CQH: Description4 Digit Up/Down Counter/Decoder/Driver; Categorylogic logic; File Size295KB，8 Pages; ManufacturerMaxim; Websitehttps://www.maximintegrated.com/en.html

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MM74C945CQH Overview

4 Digit Up/Down Counter/Decoder/Driver

MM74C945CQH Parametric

Parameter Name	Attribute value
Is it Rohs certified?	incompatible
Maker	Maxim
Parts packaging code	LCC
package instruction	PLASTIC, LCC-44
Contacts	44
Reach Compliance Code	_compli
Other features	4 DIGIT COUNTER WITH OUTPUT LATCHES; SCHMITT TRIGGER ON CLOCK INPUT; 7 SEGMENT DISPLAY DRIVERS
Counting direction	BIDIRECTIONAL
series	CMOS
JESD-30 code	S-PQCC-J44
JESD-609 code	e0
length	16.585 mm
Load capacitance (CL)	50 pF
Load/preset input	YES
Logic integrated circuit type	DISPLAY DRIVER COUNTER
Operating mode	ASYNCHRONOUS
Number of digits	16
Number of functions	1
Number of terminals	44
Maximum operating temperature	70 °C
Minimum operating temperature
Package body material	PLASTIC/EPOXY
encapsulated code	QCCJ
Encapsulate equivalent code	LDCC44,.7SQ
Package shape	SQUARE
Package form	CHIP CARRIER
Peak Reflow Temperature (Celsius)	NOT SPECIFIED
power supply	5 V
propagation delay (tpd)	800 ns
Certification status	Not Qualified
Maximum seat height	4.57 mm
Maximum supply voltage (Vsup)	6 V
Minimum supply voltage (Vsup)	3 V
Nominal supply voltage (Vsup)	5 V
surface mount	YES
technology	CMOS
Temperature level	COMMERCIAL
Terminal surface	Tin/Lead (Sn/Pb)
Terminal form	J BEND
Terminal pitch	1.27 mm
Terminal location	QUAD
Maximum time at peak reflow temperature	NOT SPECIFIED
Trigger type	NEGATIVE EDGE
width	16.585 mm
minfmax	2 MHz

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MM74C945CQH Related Products

	MM74C945CQH	MM74C945-MM74C947	MM74C947N	MM74C947CQH	MM74C947C/D	MM74C945C/D	MM74C945
Description	4 Digit Up/Down Counter/Decoder/Driver	4 Digit Up/Down Counter/Decoder/Driver	4 Digit Up/Down Counter/Decoder/Driver	4 Digit Up/Down Counter/Decoder/Driver	4 Digit Up/Down Counter/Decoder/Driver	4 Digit Up/Down Counter/Decoder/Driver	4 Digit Up/Down Counter/Decoder/Driver
Is it Rohs certified?	incompatible	-	incompatible	incompatible	incompatible	incompatible	-
Maker	Maxim	-	Maxim	Maxim	Maxim	Maxim	-
Parts packaging code	LCC	-	DIP	LCC	DIE	DIE	-
package instruction	PLASTIC, LCC-44	-	PLASTIC, DIP-40	PLASTIC, LCC-44	DIE-40	DIE-40	-
Contacts	44	-	40	44	40	40	-
Reach Compliance Code	_compli	-	_compli	_compli	_compli	_compli	-
Other features	4 DIGIT COUNTER WITH OUTPUT LATCHES; SCHMITT TRIGGER ON CLOCK INPUT; 7 SEGMENT DISPLAY DRIVERS	-	4 DIGIT COUNTER WITH OUTPUT LATCHES; SCHMITT TRIGGER ON CLOCK INPUT; 7 SEGMENT DISPLAY DRIVERS	4 DIGIT COUNTER WITH OUTPUT LATCHES; SCHMITT TRIGGER ON CLOCK INPUT; 7 SEGMENT DISPLAY DRIVERS	4 DIGIT COUNTER WITH OUTPUT LATCHES; SCHMITT TRIGGER ON CLOCK INPUT	4 DIGIT COUNTER WITH OUTPUT LATCHES; SCHMITT TRIGGER ON CLOCK INPUT	-
Counting direction	BIDIRECTIONAL	-	BIDIRECTIONAL	BIDIRECTIONAL	BIDIRECTIONAL	BIDIRECTIONAL	-
series	CMOS	-	CMOS	CMOS	CMOS	CMOS	-
JESD-30 code	S-PQCC-J44	-	R-PDIP-T40	S-PQCC-J44	R-XUUC-N40	R-XUUC-N40	-
JESD-609 code	e0	-	e0	e0	e0	e0	-
Load/preset input	YES	-	YES	YES	YES	YES	-
Logic integrated circuit type	DISPLAY DRIVER COUNTER	-	DISPLAY DRIVER COUNTER	DISPLAY DRIVER COUNTER	DISPLAY DRIVER COUNTER	DISPLAY DRIVER COUNTER	-
Operating mode	ASYNCHRONOUS	-	ASYNCHRONOUS	ASYNCHRONOUS	ASYNCHRONOUS	ASYNCHRONOUS	-
Number of digits	16	-	16	16	16	16	-
Number of functions	1	-	1	1	1	1	-
Number of terminals	44	-	40	44	40	40	-
Maximum operating temperature	70 °C	-	85 °C	70 °C	70 °C	70 °C	-
Package body material	PLASTIC/EPOXY	-	PLASTIC/EPOXY	PLASTIC/EPOXY	UNSPECIFIED	UNSPECIFIED	-
encapsulated code	QCCJ	-	DIP	QCCJ	DIE	DIE	-
Package shape	SQUARE	-	RECTANGULAR	SQUARE	RECTANGULAR	RECTANGULAR	-
Package form	CHIP CARRIER	-	IN-LINE	CHIP CARRIER	UNCASED CHIP	UNCASED CHIP	-
Peak Reflow Temperature (Celsius)	NOT SPECIFIED	-	NOT SPECIFIED	NOT SPECIFIED	NOT SPECIFIED	NOT SPECIFIED	-
Certification status	Not Qualified	-	Not Qualified	Not Qualified	Not Qualified	Not Qualified	-
Maximum supply voltage (Vsup)	6 V	-	6 V	6 V	6 V	6 V	-
Minimum supply voltage (Vsup)	3 V	-	3 V	3 V	3 V	3 V	-
surface mount	YES	-	NO	YES	YES	YES	-
technology	CMOS	-	CMOS	CMOS	CMOS	CMOS	-
Temperature level	COMMERCIAL	-	INDUSTRIAL	COMMERCIAL	COMMERCIAL	COMMERCIAL	-
Terminal surface	Tin/Lead (Sn/Pb)	-	Tin/Lead (Sn/Pb)	Tin/Lead (Sn/Pb)	TIN LEAD	TIN LEAD	-
Terminal form	J BEND	-	THROUGH-HOLE	J BEND	NO LEAD	NO LEAD	-
Terminal location	QUAD	-	DUAL	QUAD	UPPER	UPPER	-
Maximum time at peak reflow temperature	NOT SPECIFIED	-	NOT SPECIFIED	NOT SPECIFIED	NOT SPECIFIED	NOT SPECIFIED	-
Trigger type	NEGATIVE EDGE	-	NEGATIVE EDGE	NEGATIVE EDGE	NEGATIVE EDGE	NEGATIVE EDGE	-
minfmax	2 MHz	-	2 MHz	2 MHz	2 MHz	2 MHz	-

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