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參數(shù)資料
| 型號： | SN54LS169J |
| 廠商： | MOTOROLA INC |
| 元件分類： | 通用總線功能 |
| 英文描述： | BCD DECADE/MODULO 16 BINARY SYNCHRONOUS BI-DIRECTIONAL COUNTERS |
| 中文描述： | LS SERIES, SYN POSITIVE EDGE TRIGGERED 4-BIT BIDIRECTIONAL BINARY COUNTER, CDIP16 |
| 封裝： | CERAMIC, DIP-16 |
| 文件頁數(shù)： | 1/6頁 |
| 文件大小： | 117K |
| 代理商： | SN54LS169J |
5-1
FAST AND LS TTL DATA
BCD DECADE/MODULO
16 BINARY SYNCHRONOUS
BI-DIRECTIONAL COUNTERS
The SN54/74LS168 and SN54/74LS169 are fully synchronous 4-stage
up/down counters featuring a preset capability for programmable operation,
carry lookahead for easy cascading and a U/D input to control the direction
of counting. The SN54/74LS168 counts in a BCD decade (8, 4, 2, 1)
sequence, while the SN54/74LS169 operates in a Modulo 16 binary
sequence. All state changes, whether in counting or parallel loading, are
initiated by the LOW-to-HIGH transition of the clock.
Low Power Dissipation 100 mW Typical
High-Speed Count Frequency 30 MHz Typical
Fully Synchronous Operation
Full Carry Lookahead for Easy Cascading
Single Up/Down Control Input
Positive Edge-Trigger Operation
Input Clamp Diodes Limit High-Speed Termination Effects
NOTE:
The Flatpak version
has the same pinouts
(Connection Diagram) as
the Dual In-Line Package.
14
13
12
11
10
9
1
2
3
P0
4
5
P2
6
P3
7
16
15
8
VCC
U/D
TC
Q0
Q1
Q2
CET
Q3
PE
CP
P1
CEP
GND
CONNECTION DIAGRAM DIP
(TOP VIEW)
PIN NAMES
LOADING
(Note a)
HIGH
LOW
CEP
CET
CP
PE
U/D
P0–P3
Q0–Q3
TC
NOTES:
a. 1 TTL Unit Load (U.L.) = 40
μ
A HIGH/1.6 mA LOW.
b. The Output LOW drive factor is 2.5 U.L. for Military (54) and 5 U.L. for Commercial (74)
b.
Temperature Ranges.
Count Enable Parallel (Active LOW) Input
Count Enable Trickle (Active LOW) Input
Clock Pulse (Active positive going edge) Input
Parallel Enable (Active LOW) Input
Up-Down Count Control Input
Parallel Data Inputs
Flip-Flop Outputs
Terminal Count (Active LOW) Output
0.5 U.L.
1.0 U.L.
0.5 U.L.
0.5 U.L.
0.5 U.L.
0.5 U.L.
10 U.L.
10 U.L.
0.25 U.L.
0.5 U.L.
0.25 U.L.
0.25 U.L.
0.25 U.L.
0.25 U.L.
5 (2.5) U.L.
5 (2.5) U.L.
SN54/74LS168
SN54/74LS169
BCD DECADE/MODULO
16 BINARY SYNCHRONOUS
BI-DIRECTIONAL COUNTERS
LOW POWER SCHOTTKY
J SUFFIX
CERAMIC
CASE 620-09
N SUFFIX
PLASTIC
CASE 648-08
16
1
16
1
ORDERING INFORMATION
SN54LSXXXJ
SN74LSXXXN
SN74LSXXXD
Ceramic
Plastic
SOIC
16
1
D SUFFIX
SOIC
CASE 751B-03
LOGIC SYMBOL
9
3
4
5
6
7
10
2
15
14 13
12
11
PE P0P1
U/D
P2P3
CEP
CET
CP
Q0Q1Q2Q3
TC
VCC = PIN 16
GND = PIN 8
1
相關PDF資料 |
PDF描述 |
|---|---|
| SN74LS168D | Low Noise Amplifier with Bypass Mode in Low Profile Package |
| SN74LS168N | BCD DECADE/MODULO 16 BINARY SYNCHRONOUS BI-DIRECTIONAL COUNTERS |
| SN74LS169D | BCD DECADE/MODULO 16 BINARY SYNCHRONOUS BI-DIRECTIONAL COUNTERS |
| SN74LS169N | BCD DECADE/MODULO 16 BINARY SYNCHRONOUS BI-DIRECTIONAL COUNTERS |
| SN54LS21FK | Quad 2-Input NAND Schmitt Trigger; Package: SOEIAJ-14; No of Pins: 14; Container: Tape and Reel; Qty per Container: 2000 |
相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| SN54LS170J | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
| SN54LS173AJ | 制造商:Texas Instruments 功能描述:Flip Flop D-Type Bus Interface Pos-Edge 3-ST 1-Element 16-Pin CDIP Tube 制造商:Rochester Electronics LLC 功能描述:- Bulk 制造商:Texas Instruments 功能描述:FLIP FLOP D-TYPE BUS INTRFC POS-EDGE 3-ST 1-ELEM 16CDIP - Rail/Tube |
| SN54LS174J | 制造商:Texas Instruments 功能描述:Flip Flop D-Type Bus Interface Pos-Edge 1-Element 16-Pin CDIP Tube 制造商:Texas Instruments 功能描述:FLIP FLOP D-TYPE BUS INTRFC POS-EDGE 1-ELEM 16CDIP - Rail/Tube |
| SN54LS175J | 制造商:Rochester Electronics LLC 功能描述:- Bulk 制造商:Texas Instruments 功能描述: 制造商:Texas Instruments 功能描述:QUAD D-TYPE FLIP-FLOP - Rail/Tube 制造商:Texas Instruments 功能描述:Flip Flop D-Type Bus Interface Pos-Edge 1-Element 16-Pin CDIP Tube |
| SN54LS181J | 制造商:Rochester Electronics LLC 功能描述:- Bulk 制造商:Texas Instruments 功能描述:4-BIT ALU - Rail/Tube |
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