SN74F169DR

Mfr. #:: SN74F169DR
描述:: Counter ICs Sync 4-Bit Up/Down Binary Counter
生命週期:: 製造商新產品
數據表:: SN74F169DR 數據表
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更多信息:: SN74F169DR 更多信息 SN74F169DR Product Details

產品屬性
屬性值

製造商：: 德州儀器

產品分類：: 計數器 IC

RoHS：: Y

安裝方式：: 貼片/貼片

包裝/案例：: SOIC-16

計數器類型：: 二進制

邏輯系列：: TTL

位數：: 4

計數方法：: 同步

計數順序：: 上/下

工作電源電壓：: 4.5 V to 5.5 V

最低工作溫度：: 0 C

最高工作溫度：: + 70 C

打包：: 捲軸

工作溫度範圍：: 0 C to + 70 C

品牌：: 德州儀器

產品類別：: 計數器 IC

出廠包裝數量：: 1

子類別：: 計數器 IC

單位重量：: 0.014829 oz

Tags: SN74F169D, SN74F169, SN74F16, SN74F1, SN74F, SN74, SN7

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Step1:
Vacuum Packaging with PL

Step2:
Anti-Static Bag

Step3:
Packaging Boxes

SN74F169DR 描述

***et: COUNTER SGL 4BIT SYNC BINARY UP/DOWN 16SOIC

***ark: Counter Logic IC; Logic Family:F; Supply Voltage Min:4.5V; Supply Voltage Max:5.5V; Package/Case:16-SOIC; No. of Pins:16; Operating Temperature Range:0°C to +70°C; Input Type:TTL; Leaded Process Compatible:Yes; Output Type:TTL ;RoHS Compliant: Yes

***as Instruments: This synchronous, presettable, 4-bit up/down binary counter features an internal carry look-ahead circuitry for cascading in high-speed counting applications. Synchronous operation is provided by having all flip-flops clocked simultaneously so that the outputs change coincident with each other when so instructed by the count-enable (, inputs and internal gating. This mode of operation eliminates the output counting spikes that are normally associated with asynchronous (ripple-clock) counters. A buffered clock (CLK) input triggers the four flip-flops on the rising (positive-going) edge of the clock waveform. This counter is fully programmable; that is, it may be preset to any number between 0 and its maximum count. The load-input circuitry allows loading with the carry-enable output of cascaded counters. As loading is synchronous, setting up a low level at the load () input disables the counter and causes the outputs to agree with the data inputs after the next clock pulse. The carry look-ahead circuitry provides for cascading counters for n-bit synchronous application without additional gating. Instrumental in accomplishing this function are two count-enable (, ) inputs and a ripple-carry () output. Both and must be low to count. The direction of the count is determined by the level of the up/down (U/D\) input. When U/D\ is high, the counter counts up; when low, it counts down. Input is fed forward to enable the . thus enabled will produce a low-level pulse while the count is zero (all inputs low) counting down or maximum (9 or 15) counting up. This low-level overflow ripple-carry pulse can be used to enable successive cascaded stages. Transitions at or are allowed regardless of the level of the clock input. All inputs are diode clamped to minimize transmission-line effects, thereby simplifying system design. The SN74F169 features a fully independent clock circuit. Changes at control inputs (, , or U/D\) that will modify the operating mode have no effect on the contents of the counter until clocking occurs. The function of the counter (whether enabled, disabled, loading, or counting) will be dictated solely by the conditions meeting the setup and hold times. The SN74F169 is characterized for operation from 0°C to 70°C.

Market price

型號	描述	庫存	價格
SN74F169DR DISTI # SN74F169DR-ND	IC COUNTER 4BIT BIN SYNC 16-SOIC RoHS: Compliant Min Qty: 2500 Container: Tape & Reel (TR)	Limited Supply - Call
SN74F169DRE4 DISTI # SN74F169DRE4-ND	IC COUNTER 4BIT BIN SYNC 16-SOIC RoHS: Compliant Min Qty: 2500 Container: Tape & Reel (TR)	Limited Supply - Call
SN74F169DRG4 DISTI # SN74F169DRG4-ND	IC COUNTER BINARY 4BIT 16SOIC RoHS: Compliant Min Qty: 2500 Container: Tape & Reel (TR)	Limited Supply - Call
SN74F169DR DISTI # SN74F169DR	COUNTER SGL 4BIT SYNC BINARY UP/DOWN 16SOIC - Bulk (Alt: SN74F169DR) Min Qty: 1 Container: Bulk	Americas - 0
SN74F169DRG4 DISTI # SN74F169DRG4	- Bulk (Alt: SN74F169DRG4) Min Qty: 1 Container: Bulk	Americas - 0
SN74F169DRE4 DISTI # SN74F169DRE4	- Bulk (Alt: SN74F169DRE4) Min Qty: 1 Container: Bulk	Americas - 0
SN74F169DR DISTI # 595-SN74F169DR	Counter ICs Sync 4-Bit Up/Down Binary Counter RoHS: Compliant	0
SN74F169DRE4 DISTI # 595-SN74F169DRE4	Counter ICs Sync 4-Bit Up/Down Binary Counter RoHS: Compliant	0
SN74F169DRG4 DISTI # 595-SN74F169DRG4	Counter ICs SYNC 4B Up Down Binary Counter RoHS: Compliant	0
SN74F169DR	BINARY COUNTER, F/FAST SERIES, SYNCHRONOUS, POSITIVE EDGE TRIGGERED, 4-BIT, BIDIRECTIONAL, TTL, PDSO16	688	257:$1.8000 90:$1.9500 1:$4.5000

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