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參數資料
| 型號： | 74HCT4516 |
| 廠商： | NXP Semiconductors N.V. |
| 元件分類： | 通用總線功能 |
| 英文描述： | 4-Bit Synchronous Up/Down Binary Counters 16-SOIC -40 to 85 |
| 中文描述： | 二進制向上/向下計數器 |
| 文件頁數： | 11/14頁 |
| 文件大?。?/td> | 100K |
| 代理商： | 74HCT4516 |
December 1990
11
Philips Semiconductors
Product specification
Binary up/down counter
74HC/HCT4516
AC WAVEFORMS
Fig.7
Waveforms showing the clock (CP) to
output (Q
n
) and terminal count (TC)
propagation delays, the clock pulse width
and the maximum clock pulse frequency.
(1)
HC : V
M
= 50%; V
I
= GND to V
CC
.
HCT: V
M
= 1.3 V; V
I
= GND to 3 V.
Fig.8
Waveforms showing the set-up and hold
times form count enable (CE) and up/down
(UP/DN) control inputs to the clock pulse
(CP), the propagation delays from UP/DN,
CE to TC.
(1)
HC : V
M
= 50%; V
I
= GND to V
CC
.
HCT: V
M
= 1.3 V; V
I
= GND to 3 V.
Fig.9
Waveforms showing the preset enable
pulse width, preset enable to output
delays and output transition times.
(1)
HC : V
M
= 50%; V
I
= GND to V
CC
.
HCT: V
M
= 1.3 V; V
I
= GND to 3 V.
Fig.10 Waveforms showing the master reset pulse,
master reset to terminal count and Q
n
delay and master reset to clock removal
time.
(1)
HC : V
M
= 50%; V
I
= GND to V
CC
.
HCT: V
M
= 1.3 V; V
I
= GND to 3 V.
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| 74HCT4520D | 功能描述:計數器 IC DUAL 4-BIT SYNC BINARY COUNTER RoHS:否 制造商:NXP Semiconductors 計數器類型:Binary Counters 邏輯系列:74LV 位數:10 計數法: 計數順序: 工作電源電壓:1 V to 5.5 V 工作溫度范圍:- 40 C to + 125 C 封裝 / 箱體:SOT-109 封裝:Reel |
| 74HCT4520D,112 | 功能描述:計數器 IC DUAL 4-BIT SYNC RoHS:否 制造商:NXP Semiconductors 計數器類型:Binary Counters 邏輯系列:74LV 位數:10 計數法: 計數順序: 工作電源電壓:1 V to 5.5 V 工作溫度范圍:- 40 C to + 125 C 封裝 / 箱體:SOT-109 封裝:Reel |
| 74HCT4520D,118 | 功能描述:計數器 IC DUAL 4-BIT SYNC RoHS:否 制造商:NXP Semiconductors 計數器類型:Binary Counters 邏輯系列:74LV 位數:10 計數法: 計數順序: 工作電源電壓:1 V to 5.5 V 工作溫度范圍:- 40 C to + 125 C 封裝 / 箱體:SOT-109 封裝:Reel |
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