參數(shù)資料
型號: SN74GTLP1394DGVR
英文描述: Bus Exchanger
中文描述: 總線交換
文件頁數(shù): 8/16頁
文件大小: 234K
代理商: SN74GTLP1394DGVR
SN74GTLP1394
2-BIT LVTTL-TO-GTLP ADJUSTABLE-EDGE-RATE BUS TRANSCEIVER
WITH SPLIT LVTTL PORT FEEDBACK PATH, AND SELECTABLE POLARITY
SCES286E
OCTOBER 1999
REVISED AUGUST 2001
8
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
PARAMETER MEASUREMENT INFORMATION
From Output
Under Test
CL = 50 pF
(see Note A)
LOAD CIRCUIT FOR Y OUTPUTS
S1
Open
GND
500
500
TEST
tPLH/tPHL
tPLZ/tPZL
tPHZ/tPZH
S1
Open
6 V
GND
tPLH
tPHL
Output
Control
Output
Waveform 1
S1 at 6 V
(see Note B)
Output
Waveform 2
S1 at GND
(see Note B)
VOL
VOH
tPZL
tPZH
tPLZ
tPHZ
3 V
0 V
VOH
VOL
0 V
VOL + 0.3 V
VOH
0.3 V
0 V
Input
3 V
3 V
VOLTAGE WAVEFORMS
PROPAGATION DELAY TIMES
(A input to B port)
Output
1.5 V
Test
Point
CL = 30 pF
(see Note A)
From Output
Under Test
12.5
LOAD CIRCUIT FOR B OUTPUTS
0 V
VOH
VOL
Input
VOLTAGE WAVEFORMS
PROPAGATION DELAY TIMES
(B port to Y output)
Output
1.5 V
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 ns, tf
2 ns.
D. The outputs are measured one at a time with one transition per measurement.
6 V
tPLH
tPHL
1.5 V
1.5 V
1.5 V
1.5 V
1.5 V
1.5 V
1.5 V
1.5 V
1 V
1 V
1 V
1 V
VOLTAGE WAVEFORMS
ENABLE AND DISABLE TIMES
(A input)
Figure 1. Load Circuits and Voltage Waveforms
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