- 您现在的位置：买卖IC网 > PDF目录26834 > MM74C928J (NATIONAL SEMICONDUCTOR CORP) CMOS SERIES, ASYN NEGATIVE EDGE TRIGGERED 16-BIT UP DISPLAY DRIVER COUNTER, CDIP18 PDF资料下载
参数资料
| 型号： | MM74C928J |
| 厂商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分类： | 计数器 |
| 英文描述： | CMOS SERIES, ASYN NEGATIVE EDGE TRIGGERED 16-BIT UP DISPLAY DRIVER COUNTER, CDIP18 |
| 封装： | CERAMIC, DIP-18 |
| 文件页数： | 3/8页 |
| 文件大小： | 209K |
| 代理商： | MM74C928J |
AC Electrical Characteristics TA e 25 C CL e 50 pF unless otherwise noted
Symbol
Parameter
Conditions
Min
Typ
Max
Units
fMAX
Maximum Clock Frequency
VCC e 5V
Tj e 25 C
2
4
MHz
Square Wave Clock
Tj e 100 C
15
3
MHz
tr tf
Maximum Clock Rise or Fall Time
VCC e 5V
15
m
s
tWR
Reset Pulse Width
VCC e 5V
Tj e 25 C
250
100
ns
Tj e 100 C
320
125
ns
tWLE
Latch Enable Pulse Width
VCC e 5V
Tj e 25 C
250
100
ns
Tj e 100 C
320
125
ns
tSET(CK LE)
Clock to Latch Enable Set-Up Time
VCC e 5V
Tj e 25 C
2500
1250
ns
Tj e 100 C
3200
1600
ns
tLR
Latch Enable to Reset Wait Time
VCC e 5V
Tj e 25 C0
b
100
ns
Tj e 100 C0
b
100
ns
tSET(R LE)
Reset to Latch Enable Set-Up Time
VCC e 5V
Tj e 25 C
320
160
ns
Tj e 100 C
400
200
ns
fMUX
Multiplexing Output Frequency
VCC e 5V
1000
Hz
CIN
Input Capacitance
Any Input (Note 2)
5
pF
AC Parameters are guaranteed by DC correlated testing
Functional Description
Reset
Asynchronous active high
Display Select
High displays output of counter
Low displays output of latch
Latch Enable
High flow through condition
Low latch condition
Clock
Negative edge sensitive
Segment Output
Current sourcing with 40 mA
VOUT e
VCC b 16V (typ) Also sink capability
e
2 LTTL loads
Digit Output
Current sourcing with 1 mA
VOUT e
175V Also sink capability e 2 LTTL
loads
Carry-Out
2 LTTL loads See carry-out waveforms
Typical Performance Characteristics
vs Output Voltage
Typical Segment Current
vs Ambient Temperature
Maximum Power Dissipation
Resistor Value
Current vs Segment
Typical Average Segment
TLF5919 – 3
Note
VD e Voltage across digit driver
3
相关PDF资料 |
PDF描述 |
|---|---|
| MM74C946N | CMOS SERIES, ASYN NEGATIVE EDGE TRIGGERED 16-BIT BIDIRECTIONAL DISPLAY DRIVER COUNTER, PDIP40 |
| MM74HC00MX | HC/UH SERIES, QUAD 2-INPUT NAND GATE, PDSO14 |
| MM54HC00J/883 | HC/UH SERIES, QUAD 2-INPUT NAND GATE, CDIP14 |
| MM74HC02MTC_NL | HC/UH SERIES, QUAD 2-INPUT NOR GATE, PDSO14 |
| MM74HC03MX | HC/UH SERIES, QUAD 2-INPUT NAND GATE, PDSO14 |
相关代理商/技术参数 |
参数描述 |
|---|---|
| MM74C928N | 功能描述:计数器 IC 4-Digit Counters RoHS:否 制造商:NXP Semiconductors 计数器类型:Binary Counters 逻辑系列:74LV 位数:10 计数法: 计数顺序: 工作电源电压:1 V to 5.5 V 工作温度范围:- 40 C to + 125 C 封装 / 箱体:SOT-109 封装:Reel |
| MM74C93 | 制造商:Panasonic Industrial Company 功能描述:I.C. |
| MM74C932 | 制造商:NSC 制造商全称:National Semiconductor 功能描述:Phase Comparator |
| MM74C932N | 制造商:NSC 制造商全称:National Semiconductor 功能描述:Phase Comparator |
| MM74C93J | 制造商:NSC 制造商全称:National Semiconductor 功能描述:4-Bit Decade, Binary Counter |
发布紧急采购，3分钟左右您将得到回复。