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參數資料
| 型號： | 74LVC161284TTR |
| 廠商： | 意法半導體 |
| 英文描述： | LOW VOLTAGE HIGH SPEED IEEE1284 TRANSCEIVER |
| 中文描述： | 低壓高速IEEE1284收發器 |
| 文件頁數： | 6/11頁 |
| 文件大小： | 217K |
| 代理商： | 74LVC161284TTR |
74LVC161284
6/11
TEST CIRCUIT
C
L
= 50 pF or equivalent (includes jig and probe capacitance)
R
L
= R1 = 500
or equivalent
R
T
= Z
OUT
of pulse generator (typically 50
)
WAVEFORM 1: PROPAGATION DELAY INPUT An TO OUTPUT
(f=1MHz; 50% duty cycle)
TEST
S1
S2
S3
t
PHL
(A1-A8 to B1-B8, A9-A13 to Y9-Y13, PLH
IN
to PLH) (see waveform 1)
t
PLH
(A1-A8 to B1-B8, A9-A13 to Y9-Y13, PLH
IN
to PLH, HD to B1-B8, Y9-Y13, PLH)
(see waveform 1)
t
PHL
, t
PLH
(B1-B8 to A1-A8, C14-C17 to A14-A17, HLH
IN
to HLH) (see waveform 2)
t
r
, t
f
(A1-A8 to B1-B8, A9-A13 to Y9-Y13) (see waveform 1)
t
PLZ
(DIR to A1-A8) (see waveform 4)
t
PHZ
(DIR to A1-A8) (see waveform 4)
t
PZL
(DIR to A1-A8) (see waveform 3)
t
PZH
(DIR to A1-A8) (see waveform 3)
t
PLZ
(DIR to B1-B8) (see waveform 4)
t
PHZ
(DIR to B1-B8) (see waveform 4)
Open
V
CC
V
CC
Open
GND
GND
Open
Open
6V
GND
V
CC
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
Open
1.4V
4.4V
6V
Open
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