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參數(shù)資料
| 型號(hào)： | SN54ABT843FK |
| 廠商： | Texas Instruments, Inc. |
| 元件分類： | 通用總線功能 |
| 英文描述： | 9-BIT BUS-INTERFACE D-TYPE LATCHES WITH 3-STATE OUTPUTS |
| 中文描述： | 9位總線接口D型鎖存器具有三態(tài)輸出 |
| 文件頁數(shù)： | 7/17頁 |
| 文件大?。?/td> | 405K |
| 代理商： | SN54ABT843FK |
SN54ABT843, SN74ABT843
9-BIT BUS-INTERFACE D-TYPE LATCHES
WITH 3-STATE OUTPUTS
SCBS197D – FEBRUARY 1991 – REVISED MAY 1997
7
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
PARAMETER MEASUREMENT INFORMATION
1.5 V
th
tsu
From Output
Under Test
CL = 50 pF
(see Note A)
LOAD CIRCUIT
S1
7 V
Open
GND
500
500
Data Input
Timing Input
1.5 V
3 V
0 V
1.5 V
1.5 V
3 V
0 V
3 V
0 V
1.5 V
tw
Input
VOLTAGE WAVEFORMS
SETUP AND HOLD TIMES
VOLTAGE WAVEFORMS
PROPAGATION DELAY TIMES
INVERTING AND NONINVERTING OUTPUTS
VOLTAGE WAVEFORMS
PULSE DURATION
tPLH
tPHL
tPHL
tPLH
VOH
VOH
VOL
1.5 V
1.5 V
3 V
0 V
1.5 V
1.5 V
Input
1.5 V
Output
Control
Output
Waveform 1
S1 at 7 V
(see Note B)
Output
Waveform 2
S1 at Open
(see Note B)
VOL
VOH
tPZL
tPZH
tPLZ
tPHZ
1.5 V
1.5 V
3.5 V
0 V
1.5 V
VOL + 0.3 V
1.5 V
VOH – 0.3 V
≈
0 V
3 V
VOLTAGE WAVEFORMS
ENABLE AND DISABLE TIMES
LOW- AND HIGH-LEVEL ENABLING
Output
Output
tPLH/tPHL
tPLZ/tPZL
tPHZ/tPZH
Open
7 V
Open
TEST
S1
NOTES: A. CL includes probe and jig capacitance.
B. Waveform 1 is for an output with internal conditions such that the output is low except when disabled by the output control.
Waveform 2 is for an output with internal conditions such that the output is high except when disabled by the output control.
C. All input pulses are supplied by generators having the following characteristics: PRR
≤
10 MHz, ZO = 50
, tr
≤
2.5 ns, tf
≤
2.5 ns.
D. The outputs are measured one at a time with one transition per measurement.
1.5 V
Figure 2. Load Circuit and Voltage Waveforms
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| SN54ABT843JT | 9-BIT BUS-INTERFACE D-TYPE LATCHES WITH 3-STATE OUTPUTS |
| SN54ABT843W | 9-BIT BUS-INTERFACE D-TYPE LATCHES WITH 3-STATE OUTPUTS |
| SN74ABT843DB | 9-BIT BUS-INTERFACE D-TYPE LATCHES WITH 3-STATE OUTPUTS |
| SN74ABT843NSRE4 | 9-BIT BUS-INTERFACE D-TYPE LATCHES WITH 3-STATE OUTPUTS |
| SN74ABT853DB | 8-BIT TO 9-BIT PARITY BUS TRANSCEIVERS |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| SN54ABT843JT | 制造商:TI 制造商全稱:Texas Instruments 功能描述:9-BIT BUS-INTERFACE D-TYPE LATCHES WITH 3-STATE OUTPUTS |
| SN54ABT843W | 制造商:TI 制造商全稱:Texas Instruments 功能描述:9-BIT BUS-INTERFACE D-TYPE LATCHES WITH 3-STATE OUTPUTS |
| SN54ABT853 | 制造商:TI 制造商全稱:Texas Instruments 功能描述:8-BIT TO 9-BIT PARITY BUS TRANSCEIVERS |
| SN54ABT853FK | 制造商:TI 制造商全稱:Texas Instruments 功能描述:8-BIT TO 9-BIT PARITY BUS TRANSCEIVERS |
| SN54ABT853JT | 制造商:TI 制造商全稱:Texas Instruments 功能描述:8-BIT TO 9-BIT PARITY BUS TRANSCEIVERS |
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