參數(shù)資料
型號(hào): SN74ALVCH16525DLR
廠商: TEXAS INSTRUMENTS INC
元件分類(lèi): 總線收發(fā)器
英文描述: ALVC/VCX/A SERIES, 18-BIT REGISTERED TRANSCEIVER, TRUE OUTPUT, PDSO56
封裝: 0.300 INCH, GREEN, PLASTIC, SSOP-56
文件頁(yè)數(shù): 15/15頁(yè)
文件大小: 342K
代理商: SN74ALVCH16525DLR
www.ti.com
PARAMETER MEASUREMENT INFORMATION
VOH
VOL
th
tsu
From Output
Under Test
CL = 50 pF
(see Note A)
LOAD CIRCUIT
S1
6 V
Open
GND
500
500
tPLH
tPHL
Output
Control
(low-level
enabling)
Output
Waveform 1
S1 at 6 V
(see Note B)
Output
Waveform 2
S1 at GND
(see Note B)
tPZL
tPZH
tPLZ
tPHZ
2.7 V
0 V
VOH
VOL
0 V
VOL + 0.3 V
VOH 0.3 V
0 V
2.7 V
0 V
2.7 V
0 V
tw
Input
2.7 V
3 V
VOLTAGE WAVEFORMS
SETUP AND HOLD TIMES
VOLTAGE WAVEFORMS
PROPAGATION DELAY TIMES
VOLTAGE WAVEFORMS
PULSE DURATION
VOLTAGE WAVEFORMS
ENABLE AND DISABLE TIMES
Timing
Input
Data
Input
Output
Input
tpd
tPLZ/tPZL
tPHZ/tPZH
Open
6 V
GND
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.
E. tPLZ and tPHZ are the same as tdis.
F. tPZL and tPZH are the same as ten.
G. tPLH and tPHL are the same as tpd.
1.5 V
SN74ALVCH16525
18-BIT REGISTERED BUS TRANSCEIVER
WITH 3-STATE OUTPUTS
SCES059E – NOVEMBER 1995 – REVISED OCTOBER 2004
V
CC = 2.7 V AND 3.3 V ± 0.3 V
Figure 3. Load Circuit and Voltage Waveforms
9
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