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參數(shù)資料
| 型號： | SN74LS569N |
| 廠商： | MOTOROLA INC |
| 元件分類： | 通用總線功能 |
| 英文描述： | 1A, 24V,±4% Tolerance, Negative Voltage Regulator, Ta = 0°C to +125°C; Package: 3 LEAD D2PAK; No of Pins: 3; Container: Rail; Qty per Container: 50 |
| 中文描述： | LS SERIES, SYN POSITIVE EDGE TRIGGERED 4-BIT BIDIRECTIONAL BINARY COUNTER, PDIP20 |
| 封裝： | 738-03 |
| 文件頁數(shù)： | 1/8頁 |
| 文件大小： | 260K |
| 代理商： | SN74LS569N |
5-573
FAST AND LS TTL DATA
FOUR-BIT UP/DOWN COUNTER
WITH THREE-STATE OUTPUTS
The SN54/74LS569A is designed as programmable up/down BCD and
Binary counters respectively. These devices have 3-state outputs for use in
bus organized systems. With the exception of output enable (OE) and
asynchronous clear (ACLR), all functions occur on the positive edge of the
clock pulse (CP).
When the LOAD input is LOW, the outputs will be programmed by the
parallel data inputs (A, B, C, D) on the next clock edge. Enabling of the
counters occurs only when CEP and CET are LOW and LOAD is HIGH.
Direction of the count is controlled by the up-down input (U/D), HIGH counts
up and LOW counts down. High-speed counting and cascading is implement-
ed by internal look-ahead carry logic and an active LOW ripple carry output
(RCO). On the LS569A, the RCO is LOW at binary 15 during up-count and
during down-count it is also LOW at binary 0. During normal cascading
operation RCO connected to the succeeding block at CET is the only
requisite. When counting and when RCO is LOW, the clocked carry output
(CCO) provides a HIGH-LOW-HIGH pulse for a duration equal to the LOW
time of the clock pulse. Two active LOW reset lines are provided, a master
reset asynchronous clear (ACLR) and a synchronous clear (SCLR). When in
a HIGH state, the output control (OE) input forces the counter output into a
HIGH impedance state and when LOW, the counter outputs are enabled.
ESD > 3500 Volts
CONNECTION DIAGRAM
(TOP VIEW)
Note: Pin 1 is marked
for orientation.
GUARANTEED OPERATING RANGES
Symbol
Parameter
Min
Typ
Max
Unit
VCC
Supply Voltage
54
74
4.5
4.75
5.0
5.0
5.5
5.25
V
TA
Operating Ambient Temperature Range
54
74
–55
0
25
25
125
70
°
C
IOH
Output Current — High Except RCO, CCO
54
74
–1.0
–2.6
mA
IOH
IOL
Output Current — High RCO, CCO
54, 74
–0.44
mA
Output Current — Low Except RCO, CCO
54
74
12
24
mA
IOL
Output Current — Low, RCO, CCO
54
74
4.0
8.0
mA
SN54/74LS569A
FOUR-BIT UP/DOWN COUNTER
WITH THREE-STATE OUTPUTS
LOW POWER SCHOTTKY
ORDERING INFORMATION
SN54LSXXXJ
SN74LSXXXN
SN74LSXXXDW SOIC
Ceramic
Plastic
20
1
J SUFFIX
CERAMIC
CASE 732-03
20
1
N SUFFIX
PLASTIC
CASE 738-03
20
1
DW SUFFIX
SOIC
CASE 751D-03
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| SN54LS569A | Quad 2-Input Multiplexer with 3-State Output; Package: SOEIAJ-16; No of Pins: 16; Container: Tape and Reel; Qty per Container: 2000 |
| SN54LS569J | FOUR-BIT UP/DOWN COUNTER WITH THREE-STATE OUTPUTS |
| SN74LS623DW | OCTAL BUS TRANSCEIVER WITH 3-STATE OUTPUT |
| SN54LS623 | Octal Buffer/Line Driver with 3-State Outputs; Package: TSSOP 20 LEAD; No of Pins: 20; Container: Tape and Reel; Qty per Container: 2500 |
| SN54LS623J | Octal Buffer/Line Driver with 3-State Outputs; Package: TSSOP 20 LEAD; No of Pins: 20; Container: Tape and Reel; Qty per Container: 2500 |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| SN74LS590D | 功能描述:計數(shù)器 IC 8-Bit Binary w/Input Rgstr & 3-St Output RoHS:否 制造商:NXP Semiconductors 計數(shù)器類型:Binary Counters 邏輯系列:74LV 位數(shù):10 計數(shù)法: 計數(shù)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 |
| SN74LS590DE4 | 功能描述:計數(shù)器 IC 8-Bit Binary w/Input Rgstr & 3-St Output RoHS:否 制造商:NXP Semiconductors 計數(shù)器類型:Binary Counters 邏輯系列:74LV 位數(shù):10 計數(shù)法: 計數(shù)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 |
| SN74LS590DG4 | 功能描述:計數(shù)器 IC 8B Binary Counters RoHS:否 制造商:NXP Semiconductors 計數(shù)器類型:Binary Counters 邏輯系列:74LV 位數(shù):10 計數(shù)法: 計數(shù)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 |
| SN74LS590DR | 功能描述:計數(shù)器 IC 8-Bit Binary w/Input Rgstr & 3-St Output RoHS:否 制造商:NXP Semiconductors 計數(shù)器類型:Binary Counters 邏輯系列:74LV 位數(shù):10 計數(shù)法: 計數(shù)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 |
| SN74LS590DRE4 | 功能描述:計數(shù)器 IC 8-Bit Binary w/Input Rgstr & 3-St Output RoHS:否 制造商:NXP Semiconductors 計數(shù)器類型:Binary Counters 邏輯系列:74LV 位數(shù):10 計數(shù)法: 計數(shù)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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