PI74FCT245TQEX Pericom Semiconductor, PI74FCT245TQEX Datasheet - Page 4

• Manufacturer Part Number: PI74FCT245TQEX
• Description: IC TXRX OCTAL BIDIR 20QSOP
• Manufacturer: Pericom Semiconductor

Specifications of PI74FCT245TQEX

• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 1 2 3 4 5 6 7 8 9 0 1 2
1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 1 2 3 4 5 6 7 8 9 0 1 2
Switching Characteristics over Operating Range
Packaging Mechanical: 20-pin SOIC (S)
Notes:
1. Minimum limits are guaranteed but not tested on Propagation Delays.
2. This parameter is guaranteed but not production tested.
Parameters Description
t
t
t
t
t
t
t
t
t
t
PLH
PHL
PZH
PHZ
PZH
PHZ
PZL
PLZ
PZL
PLZ
06-0207
Propagation Delay
A to B, B to A
Output Enable Time
OE to A or B
Output Disable Time
OE to A or B
Output Enable Time
T/R to A or B
Output Disable Time
T/R to A or B
20
1
.020
.030
.496
.511
BSC
.050
1.27
0.508
0.762
(2)
(2)
12.60
12.99
(2)
(2)
REF
.013
.020
0.33
0.51
Conditions
C
R
L
L
= 500-ohm
= 50 pF
.0926
.1043
.2914
.2992
.0040
.0118
(1)
2.35
2.65
7.40
7.60
SEATING
PLANE
0.10
0.30
1.5
Min.
245T/2245T
1.5
1.5
1.5
1.5
(1)
Com.
X.XX
X.XX
4
Max.
7.0
9.0
7.5
9.0
7.5
DENOTES CONTROLLING
DIMENSIONS IN MILLIMETERS
0-8˚
245AT/2245AT 245CT/2245CT
1.5
Min.
1.5
1.5
1.5
1.5
(1)
0.41
1.27
Com.
.010
.029
10.00
10.65
.394
.419
.016
.050
Max.
0.254
0.737
4.6
6.2
5.0
6.2
5.0
x 45˚
PI74FCT2245T(25 Ohm Series )
Octal BidirectionalTransceivers
1.5
Min.
1.5
1.5
1.5
1.5
(1)
Com.
.0091
.0125
Max.
4.1
5.8
4.8
5.8
4.8
0.23
0.32
1.5
Min
1.5
1.5
1.5
1.5
PI74FCT245T
(1)
245DT
Com.
PS2012E
Max. Unit
3.8
5.0
4.3
5.0
4.3
08/08/06
ns
ns
ns
ns
ns