74ACT1284MTR STMicroelectronics, 74ACT1284MTR Datasheet - Page 5
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74ACT1284MTR
Manufacturer Part Number
74ACT1284MTR
Description
IC HI SPEED IEEE1284 TXRX 20SOIC
Manufacturer
STMicroelectronics
Series
74ACTr
Datasheet
1.74ACT1284MTR.pdf
(11 pages)
Specifications of 74ACT1284MTR
Logic Type
IEEE STD 1284 Translation Transceiver
Supply Voltage
4.5 V ~ 5.5 V
Number Of Bits
4
Operating Temperature
-40°C ~ 85°C
Mounting Type
Surface Mount
Package / Case
20-SOIC
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Other names
497-1032-2
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
TEST CIRCUIT
C
R
Figure 1 : Propagation Delay Time
t
t
t
t
t
t
PHL
PLH
PHL
r
EN
DIS
L
T
, t
= 50 pF or equivalent (includes jig and probe capacitance)
= Z
f
(HD to B1-B7) R
(A1-A7 to B1-B7) R
, t
(HD to B1-B7) R
(A1-A7 to B1-B7) R
(A1-A7 to B1-B7) R
OUT
PLH
of pulse generator (typically 50 )
(B1-B4 to A1-A4) R
L
L
= 62
= 62
L
L
L
= 500
= 62
= 62 (see waveform 1)
R
(see waveform 3)
L
1
= 500
= 33 (see waveform 3)
R
(see waveform 1)
1
= 33
TEST
(see waveform 2)
see waveform 1)
CLOSED
CLOSED
CLOSED
CLOSED
OPEN
OPEN
S1
GND
GND
GND
GND
V
V
S2
CC
CC
74ACT1284
GND
GND
GND
GND
V
V
S2
CC
CC
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