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參數(shù)資料
| 型號(hào)： | 74HC190DB |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類： | 通用總線功能 |
| 英文描述： | Presettable synchronous BCD decade up/down counter |
| 中文描述： | HC/UH SERIES, SYN POSITIVE EDGE TRIGGERED 4-BIT BIDIRECTIONAL DECADE COUNTER, PDSO16 |
| 文件頁數(shù)： | 4/13頁 |
| 文件大?。?/td> | 101K |
| 代理商： | 74HC190DB |
December 1990
4
Philips Semiconductors
Product specification
Presettable synchronous BCD decade
up/down counter
74HC/HCT190
PIN DESCRIPTION
PIN NO.
SYMBOL
NAME AND FUNCTION
3, 2, 6, 7
4
5
8
11
12
13
14
15, 1, 10, 9
16
Q
0
to Q
3
CE
U/D
GND
PL
TC
RC
CP
D
0
to D
3
V
CC
flip-flop outputs
count enable input (active LOW)
up/down input
ground (0 V)
parallel load input (active LOW)
terminal count output
ripple clock output (active LOW)
clock input (LOW-to-HIGH, edge-triggered)
data inputs
positive supply voltage
Fig.1 Pin configuration.
Fig.2 Logic symbol.
Fig.3 IEC logic symbol.
相關(guān)PDF資料 |
PDF描述 |
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| 74HC190N | Presettable synchronous BCD decade up/down counter |
| 74HC190PW | Presettable synchronous BCD decade up/down counter |
| 74HCT190D | Presettable synchronous BCD decade up/down counter |
| 74HCT190DB | Presettable synchronous BCD decade up/down counter |
| 74HCT190N | Presettable synchronous BCD decade up/down counter |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| 74HC190D-T | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Asynchronous Up/Down Counter |
| 74HC190N | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Presettable synchronous BCD decade up/down counter |
| 74HC190PW | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Presettable synchronous BCD decade up/down counter |
| 74HC191 | 制造商:TI 制造商全稱:Texas Instruments 功能描述:SN54HC191, SN74HC191 4-BIT SYNCHRONOUS UP/DOWN BINARY COUNTERS |
| 74HC191D | 制造商:NXP Semiconductors 功能描述:SYNC BINARY UP/DOWN COUNTER 制造商:NXP Semiconductors 功能描述:HC Counter Bulk 制造商:NXP Semiconductors 功能描述:IC 74HC CMOS SMD 74HC191 SOIC16 制造商:NXP Semiconductors 功能描述:IC, 74HC CMOS, SMD, 74HC191, SOIC16 制造商:NXP Semiconductors 功能描述:IC, 74HC CMOS, SMD, 74HC191, SOIC16; Counter Type:Binary; Clock Frequency:39MHz; Count Maximum:15; Supply Voltage Min:2V; Supply Voltage Max:6V; Logic Case Style:SOIC; No. of Pins:16; Operating Temperature Min:-40C; Operating ;RoHS Compliant: Yes 制造商:NXP Semiconductors 功能描述:4-bit binary up/down counter,74HC191D |
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