
CY54/74FCT245T
4
Document #: 38
00318
B
Switching Characteristics
Over the Operating Range
Parameter
t
PLH
t
PHL
t
PZH
t
PZL
t
PHZ
t
PLZ
Description
Propagation Delay
A to B or B to A
Output Enable Time
OE or T/R to A or B
Output Disable Time
OE or T/R to A or B
FCT245T
FCT245AT
Unit
ns
Fig.
No.
[13]
1, 3
Military
Min.
[12]
1.5
Commercial
Min.
[12]
1.5
Military
Min.
[12]
1.5
Commercial
Min.
[12]
1.5
Max.
7.5
Max.
7.0
Max.
4.9
Max.
4.6
1.5
10.0
1.5
9.5
1.5
6.5
1.5
6.2
ns
1, 7, 8
1.5
10.0
1.5
7.5
1.5
6.0
1.5
5.0
ns
Switching Characteristics
Over the Operating Range (continued)
Parameter
t
PLH
t
PHL
t
PZH
t
PZL
t
PHZ
t
PLZ
Description
FCT245CT
FCT245DT
Commercial
Min.
[12]
1.5
Unit
ns
Fig.
No.
[13]
1, 3
Military
Min.
[12]
1.5
Commercial
Min.
[12]
1.5
Max.
4.5
Max.
4.1
Max.
3.8
Propagation Delay
A to B or B to A
Output Enable Time
OE or T/R to A or B
Output Disable Time
OE or T/R to A or B
1.5
6.2
1.5
5.8
1.5
5.0
ns
1, 7, 8
1.5
5.2
1.5
4.8
1.5
4.3
ns
1, 7, 8
Ordering Information
Speed
(ns)
Ordering Code
Package
Name
Q5
S5
Q5
S5
D6
L61
P5
Q5
S5
D6
L61
Q5
S5
D6
L61
Package Type
Operating
Range
Commercial
CY74FCT245DTQCT
CY74FCT245DTSOC/SOCT
CY74FCT245CTQCT
CY74FCT245CTSOC/SOCT
CY54FCT245CTDMB
CY54FCT245CTLMB
CY74FCT245ATPC
CY74FCT245ATQCT
CY74FCT245ATSOC/SOCT
CY54FCT245ATDMB
CY54FCT245ATLMB
CY74FCT245TQCT
CY74FCT245TSOC/SOCT
CY54FCT245TDMB
CY54FCT245TLMB
20-Lead (150-Mil) QSOP
20-Lead (300-Mil) Molded SOIC
20-Lead (150-Mil) QSOP
20-Lead (300-Mil) Molded SOIC
20-Lead (300-Mil) CerDIP
20-Square Leadless Chip Carrier
20-Lead (300-Mil) Molded DIP
20-Lead (150-Mil) QSOP
20-Lead (300-Mil) Molded SOIC
20-Lead (300-Mil) CerDIP
20-Square Leadless Chip Carrier
20-Lead (150-Mil) QSOP
20-Lead (300-Mil) Molded SOIC
20-Lead (300-Mil) CerDIP
20-Square Leadless Chip Carrier
4.1
Commercial
4.5
Military
4.6
Commercial
4.9
Military
7.0
Commercial
7.5
Military
Notes:
12. Minimum limits are specified but not tested on Propagation Delays.
13. See “Parameter Measurement Information” in the General Information section.