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參數資料
| 型號： | SN54LS173J |
| 廠商： | MOTOROLA INC |
| 元件分類： | 通用總線功能 |
| 英文描述： | 4-BIT D-TYPE REGISTER WITH 3-STATE OUTPUTS |
| 中文描述： | LS SERIES, POSITIVE EDGE TRIGGERED D FLIP-FLOP, TRUE OUTPUT, CDIP16 |
| 封裝： | CERAMIC, DIP-16 |
| 文件頁數： | 1/6頁 |
| 文件大小： | 207K |
| 代理商： | SN54LS173J |
5-316
FAST AND LS TTL DATA
4-BIT D-TYPE REGISTER
WITH 3-STATE OUTPUTS
The SN54/74LS173A is a high-speed 4-Bit Register featuring 3-state
outputs for use in bus-organized systems. The clock is fully edge-triggered
allowing either a load from the D inputs or a hold (retain register contents)
depending on the state of the Input Enable Lines (IE1, IE2). A HIGH on either
Output Enable line (OE1, OE2) brings the output to a high impedance state
without affecting the actual register contents. A HIGH on the Master Reset
(MR) input resets the Register regardless of the state of the Clock (CP), the
Output Enable (OE1, OE2) or the Input Enable (IE1, IE2) lines.
Fully Edge-Triggered
3-State Outputs
Gated Input and Output Enables
Input Clamp Diodes Limit High-Speed Termination Effects
NOTE:
The Flatpak version
has the same pinouts
(Connection Diagram) as
the Dual In-Line Package.
CONNECTION DIAGRAM DIP
(TOP VIEW)
PIN NAMES
LOADING
(Note a)
HIGH
LOW
D0–D3
IE1–IE2
OE1–OE2
CP
MR
Q0–Q3
Data Inputs
Input Enable (Active LOW)
Output Enable (Active LOW) Inputs
Clock Pulse (Active HIGH Going Edge)
Input
Master Reset Input (Active HIGH)
Outputs (Note b)
0.5 U.L.
0.5 U.L.
0.5 U.L.
0.5 U.L.
0.5 U.L.
65 (25) U.L.
0.25 U.L.
0.25 U.L.
0.25 U.L.
0.25 U.L.
0.25 U.L.
15 (7.5) U.L.
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.
SN54/74LS173A
4-BIT D-TYPE REGISTER
WITH 3-STATE OUTPUTS
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
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|---|---|
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| SN54LS174J | HEX D FLIP-FLOP |
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