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参数对比

与54LS161A/B2A相近的元器件有：54163/BFA、54LS161A/BEA、54LS163A/BFA、54163/BEA、54161/BEA、54LS161A/BFA、54161/BFA、54LS163A/BEA、54LS163A/B2A。描述及对比如下：

型号	54LS161A/B2A	54163/BFA	54LS161A/BEA	54LS163A/BFA	54163/BEA	54161/BEA	54LS161A/BFA	54161/BFA	54LS163A/BEA	54LS163A/B2A
描述	Binary Counter, LS Series, Synchronous, Positive Edge Triggered, 4-Bit, Up Direction, TTL, CQCC20, CERAMIC, LCC-20	Binary Counter, TTL/H/L Series, Synchronous, Positive Edge Triggered, 4-Bit, Up Direction, TTL, CDFP16,	Binary Counter, LS Series, Synchronous, Positive Edge Triggered, 4-Bit, Up Direction, TTL, CDIP16, CERAMIC, DIP-16	Binary Counter, LS Series, Synchronous, Positive Edge Triggered, 4-Bit, Up Direction, TTL, CDFP16,	Binary Counter, TTL/H/L Series, Synchronous, Positive Edge Triggered, 4-Bit, Up Direction, TTL, CDIP16,	Binary Counter, TTL/H/L Series, Synchronous, Positive Edge Triggered, 4-Bit, Up Direction, TTL, CDIP16, CERAMIC, DIP-16	Binary Counter, LS Series, Synchronous, Positive Edge Triggered, 4-Bit, Up Direction, TTL, CDFP16,	Binary Counter, TTL/H/L Series, Synchronous, Positive Edge Triggered, 4-Bit, Up Direction, TTL, CDFP16, CERAMIC, DFP-16	Binary Counter, LS Series, Synchronous, Positive Edge Triggered, 4-Bit, Up Direction, TTL, CDIP16, CERAMIC, DIP-16	Binary Counter, LS Series, Synchronous, Positive Edge Triggered, 4-Bit, Up Direction, TTL, CQCC20,
Reach Compliance Code	unknow	unknown	unknow	unknow	unknown	unknown	unknown	unknown	unknown	unknown
计数方向	UP	UP	UP	UP	UP	UP	UP	UP	UP	UP
系列	LS	TTL/H/L	LS	LS	TTL/H/L	TTL/H/L	LS	TTL/H/L	LS	LS
JESD-30 代码	S-CQCC-N20	R-CDFP-F16	R-CDIP-T16	R-CDFP-F16	R-CDIP-T16	R-CDIP-T16	R-CDFP-F16	R-CDFP-F16	R-CDIP-T16	S-CQCC-N20
负载电容（CL）	50 pF	50 pF	50 pF	50 pF	50 pF	50 pF	50 pF	50 pF	50 pF	50 pF
负载/预设输入	YES	YES	YES	YES	YES	YES	YES	YES	YES	YES
逻辑集成电路类型	BINARY COUNTER	BINARY COUNTER	BINARY COUNTER	BINARY COUNTER	BINARY COUNTER	BINARY COUNTER	BINARY COUNTER	BINARY COUNTER	BINARY COUNTER	BINARY COUNTER
工作模式	SYNCHRONOUS	SYNCHRONOUS	SYNCHRONOUS	SYNCHRONOUS	SYNCHRONOUS	SYNCHRONOUS	SYNCHRONOUS	SYNCHRONOUS	SYNCHRONOUS	SYNCHRONOUS
位数	4	4	4	4	4	4	4	4	4	4
功能数量	1	1	1	1	1	1	1	1	1	1
端子数量	20	16	16	16	16	16	16	16	16	20
最高工作温度	125 °C	125 °C	125 °C	125 °C	125 °C	125 °C	125 °C	125 °C	125 °C	125 °C
最低工作温度	-55 °C	-55 °C	-55 °C	-55 °C	-55 °C	-55 °C	-55 °C	-55 °C	-55 °C	-55 °C
封装主体材料	CERAMIC, METAL-SEALED COFIRED	CERAMIC, METAL-SEALED COFIRED	CERAMIC, METAL-SEALED COFIRED	CERAMIC, METAL-SEALED COFIRED	CERAMIC, METAL-SEALED COFIRED	CERAMIC, METAL-SEALED COFIRED	CERAMIC, METAL-SEALED COFIRED	CERAMIC, METAL-SEALED COFIRED	CERAMIC, METAL-SEALED COFIRED	CERAMIC, METAL-SEALED COFIRED
封装形状	SQUARE	RECTANGULAR	RECTANGULAR	RECTANGULAR	RECTANGULAR	RECTANGULAR	RECTANGULAR	RECTANGULAR	RECTANGULAR	SQUARE
封装形式	CHIP CARRIER	FLATPACK	IN-LINE	FLATPACK	IN-LINE	IN-LINE	FLATPACK	FLATPACK	IN-LINE	CHIP CARRIER
最大电源电流（ICC）	32 mA	91 mA	32 mA	32 mA	91 mA	91 mA	32 mA	91 mA	32 mA	32 mA
传播延迟（tpd）	42 ns	35 ns	42 ns	42 ns	35 ns	35 ns	42 ns	35 ns	42 ns	42 ns
认证状态	Not Qualified	Not Qualified	Not Qualified	Not Qualified	Not Qualified	Not Qualified	Not Qualified	Not Qualified	Not Qualified	Not Qualified
最大供电电压 (Vsup)	5.5 V	5.5 V	5.5 V	5.5 V	5.5 V	5.5 V	5.5 V	5.5 V	5.5 V	5.5 V
最小供电电压 (Vsup)	4.5 V	4.5 V	4.5 V	4.5 V	4.5 V	4.5 V	4.5 V	4.5 V	4.5 V	4.5 V
标称供电电压 (Vsup)	5 V	5 V	5 V	5 V	5 V	5 V	5 V	5 V	5 V	5 V
表面贴装	YES	YES	NO	YES	NO	NO	YES	YES	NO	YES
技术	TTL	TTL	TTL	TTL	TTL	TTL	TTL	TTL	TTL	TTL
温度等级	MILITARY	MILITARY	MILITARY	MILITARY	MILITARY	MILITARY	MILITARY	MILITARY	MILITARY	MILITARY
端子形式	NO LEAD	FLAT	THROUGH-HOLE	FLAT	THROUGH-HOLE	THROUGH-HOLE	FLAT	FLAT	THROUGH-HOLE	NO LEAD
端子位置	QUAD	DUAL	DUAL	DUAL	DUAL	DUAL	DUAL	DUAL	DUAL	QUAD
触发器类型	POSITIVE EDGE	POSITIVE EDGE	POSITIVE EDGE	POSITIVE EDGE	POSITIVE EDGE	POSITIVE EDGE	POSITIVE EDGE	POSITIVE EDGE	POSITIVE EDGE	POSITIVE EDGE
最小 fmax	22 MHz	25 MHz	22 MHz	22 MHz	25 MHz	25 MHz	22 MHz	25 MHz	22 MHz	22 MHz
Base Number Matches	1	1	1	1	1	1	1	1	1	1