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參數資料
| 型號： | SN74LS194D |
| 廠商： | Motorola, Inc. |
| 英文描述： | Low Noise Broadband Silicon RFIC Amplifier |
| 中文描述： | 4位雙向通用移位寄存器 |
| 文件頁數： | 4/6頁 |
| 文件大?。?/td> | 215K |
| 代理商： | SN74LS194D |
5-363
FAST AND LS TTL DATA
SN54/74LS194A
AC SETUP REQUIREMENTS
(TA = 25
°
C)
Symbol
Parameter
Limits
Unit
Test Conditions
Min
Typ
Max
tW
ts
ts
th
trec
Clock or MR Pulse Width
20
ns
VCC = 5.0 V
Mode Control Setup Time
30
ns
Data Setup Time
20
ns
Hold time, Any Input
0
ns
Recovery Time
25
ns
DEFINITIONS OF TERMS
SETUP TIME(ts) —is defined as the minimum time required
for the correct logic level to be present at the logic input prior
to the clock transition from LOW to HIGH in order to be
recognized and transferred to the outputs.
HOLD TIME (th) — is defined as the minimum time following
the clock transition from LOW to HIGH that the logic level must
be maintained at the input in order to ensure continued
recognition. A negative HOLD TIME indicates that the correct
logic level may be released prior to the clock transition from
LOW to HIGH and still be recognized.
RECOVERY TIME (trec) — is defined as the minimum time
required between the end of the reset pulse and the clock
transition from LOW to HIGH in order to recognize and transfer
HIGH Data to the Q outputs.
AC WAVEFORMS
The shaded areas indicate when the input is permitted to change for predictable output performance.
Figure 1. Clock to Output Delays Clock Pulse
Width and fmax
Figure 3. Setup (ts) and Hold (th) Time for Serial Data
(DSR, DSL) and Parallel Data (P0, P1, P2, P3)
Figure 2. Master Reset Pulse Width, Master Reset
to Output Delay and Master Reset to Clock
Recovery Time
Figure 4. Setup (ts) and Hold (th) Time for S Input
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相關PDF資料 |
PDF描述 |
|---|---|
| SN54LS194J | 4-BIT BIDIRECTIONAL UNIVERSAL SHIFT REGISTER |
| SN74LS194N | 4-BIT BIDIRECTIONAL UNIVERSAL SHIFT REGISTER |
| SN74LS20D | 500mA, 6V,±4% Tolerance, Voltage Regulator, Ta = 0°C to +125°C; Package: DPAK 4 LEAD Single Gauge Surface Mount; No of Pins: 4; Container: Rail; Qty per Container: 75 |
| SN74LS20N | 500mA, 6V,±4% Tolerance, Voltage Regulator, Ta = 0°C to +125°C; Package: DPAK 4 LEAD Single Gauge Surface Mount; No of Pins: 4; Container: Tape and Reel; Qty per Container: 2500 |
| SN74LS21D | 500mA, 8V,±2% Tolerance, Voltage Regulator, Ta = -40°C to +125°C; Package: DPAK 4 LEAD Single Gauge Surface Mount; No of Pins: 4; Container: Rail; Qty per Container: 75 |
相關代理商/技術參數 |
參數描述 |
|---|---|
| SN74LS195AD | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
| SN74LS195ADR | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
| SN74LS195ADR2 | 制造商:Rochester Electronics LLC 功能描述:- Bulk 制造商:ON Semiconductor 功能描述:Shift Register Single 4-Bit Serial/Parallel to Serial/Parallel 16-Pin SOIC T/R |
| SN74LS195AJ | 制造商:Motorola Inc 功能描述: |
| SN74LS195AN | 制造商:Rochester Electronics LLC 功能描述:- Bulk 制造商:ON Semiconductor 功能描述: 制造商:Texas Instruments 功能描述: |
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