
CY54/74FCT841T
5
Document #: 38-00273-B
Switching Characteristics
Over the Operating Range
[12]
Parameter
t
PLH
t
PHL
Description
Propagation Delay
D
1
to Y
1
(L =HIGH)
Propagation Delay
D
1
to Y
1
(LE=HIGH)
Data to LE Set-Up
Time
Data to LE Hold Time
Test Load
C
L
= 50 pF
R
L
= 500
C
L
= 300 pF
R
L
= 500
C
L
= 50 pF
R
L
= 500
C
L
= 50 pF
R
L
= 500
C
L
= 50 pF
R
L
= 500
C
L
= 300 pF
R
L
= 500
FCT841AT
FCT841BT
Commercial
Min.
1.5
FCT841CT
Commercial
Min.
1.5
Unit
ns
Fig.
No.
[13]
1, 3
Military
Min.
1.5
Commercial
Min.
1.5
Max.
10.0
Max.
9.0
Max.
6.5
Max.
5.5
1.5
15.0
1.5
13.0
1.5
13.0
1.5
13.0
ns
1, 3
t
SU
2.5
2.5
2.5
2.5
ns
9
t
H
3.0
2.5
2.5
2.5
ns
9
t
PLH
t
PHL
Propagation Delay
LE to Y
1
Propagation Delay
LE to Y
1[12]
LEPulseWidth(HIGH) C
L
= 50 pF
1.5
13.0
1.5
12.0
1.5
8.0
1.5
6.4
ns
1, 3
1.5
20.0
1.5
16.0
1.5
15.5
1.5
15.0
ns
1, 3
t
W
R
L
= 500
C
L
= 50 pF
R
L
= 500
C
L
= 300 pF
R
L
= 500
C
L
= 5 pF
R
L
= 500
C
L
= 50 pF
R
L
= 500
5.0
4.0
4.0
4.0
ns
5
t
PZH
t
PZL
Output Enable Time
OE to Y
1
Output Enable Time
OE to Y
1[12]
Output Disable Time
OE to Y
1[12]
Output Disable Time
OE to Y
1
1.5
13.0
1.5
11.5
1.5
8.0
1.5
6.5
ns
1, 7, 8
1.5
25.0
1.5
23.0
1.5
14.0
1.5
12.0
ns
1, 7, 8
t
PHZ
t
PLZ
1.5
9.0
1.5
7.0
1.5
6.0
1.5
5.7
ns
1, 7, 8
1.5
10.0
1.5
8.0
1.5
7.0
1.5
6.0
ns
1, 7, 8
Ordering Information
Speed
(ns)
5.5
Ordering Code
Package
Name
Q13
S13
P13/P13A
S13
D14
Package Type
Operating
Range
Commercial
CY74FCT841CTQCT
CY74FCT841CTSOC/SOCT
CY74FCT841BTPC
CY74FCT841ATSOC/SOCT
CY54FCT841ATDMB
24-Lead (150-Mil) QSOP
24-Lead (300-Mil) Molded SOIC
24-Lead (300-Mil) Molded DIP
24-Lead (300-Mil) Molded SOIC
24-Lead (300-Mil) CerDIP
6.5
9.0
10.0
Commercial
Commercial
Military
Notes:
12. Minimum limits are specified but not tested on Propagation Delays.
13. See “Parameter Measurement Information” in the General Information section.