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參數(shù)資料
| 型號： | 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)： | 12/13頁 |
| 文件大小： | 101K |
| 代理商： | 74HC190DB |
December 1990
12
Philips Semiconductors
Product specification
Presettable synchronous BCD decade
up/down counter
74HC/HCT190
AC WAVEFORMS
Fig.10 Waveforms showing the clock (CP) to
output (Q
n
) propagation delays, the clock
pulse width and the maximum clock pulse
frequency.
(1) HC : V
M
= 50%; V
I
= GND to V
.
HCT : V
M
= 1.3 V; V
I
= GND to 3 V.
Fig.11 Waveforms showing the clock and count
enable inputs (CP, CE) to ripple clock
output (RC) propagation delays.
(1) HC : V
M
= 50%; V
I
= GND to V
.
HCT : V
M
= 1.3 V; V
I
= GND to 3 V.
Fig.12 Waveforms showing the input (D
n
) to output
(Q
n
) propagation delays.
(1) HC : V
M
= 50%; V
I
= GND to V
.
HCT : V
M
= 1.3 V; V
I
= GND to 3 V.
Fig.13 Waveforms showing the input (PL) to output
(Q
n
) propagation delays.
(1) HC : V
M
= 50%; V
I
= GND to V
.
HCT : V
M
= 1.3 V; V
I
= GND to 3 V.
Fig.14 Waveforms showing the up/down count
input (U/D) to terminal count and ripple
clock output (TC, RC) propagation delays.
(1) HC : V
M
= 50%; V
I
= GND to V
.
HCT : V
M
= 1.3 V; V
I
= GND to 3 V.
Fig.15 Waveforms showing the parallel load input
(PL) pulse width, removal time to clock (CP)
and the output (Q
n
) transition times.
(1) HC :
V
M
= 50%;
V
I
= GND to
V
CC
.
HCT :
V
M
= 1.3 V;
V
= GND to
3 V.
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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