Datasheet

CY74FCT16543T
CY74FCT162543T
CY74FCT162H543T
5
Switching Characteristics Over the Operating Range
[14]
CY74FCT16543T
CY74FCT162543T
CY74FCT16543AT
CY74FCT162543AT
Fig.
No.
[15]
Parameter Description Min. Max. Min. Max. Unit
t
PLH
t
PHL
Propagation Delay
Transparent Mode
A to B or B to A
1.5 8.5 1.5 6.5 ns 1, 3
t
PLH
t
PHL
Propagation Delay
LEBA to A, LEAB to B
1.5 12.5 1.5 8.0 ns 1, 5
t
PZH
t
PZL
Output Enable Time
OEBA or OEAB to A or B
CEBA or CEAB to A or B
1.5 12.0 1.5 9.0 ns 1, 7, 8
t
PHZ
t
PLZ
Output Disable Time
OEBA or OEAB to A or B
CEBA or CEAB to A or B
1.5 9.0 1.5 7.5 ns 1, 7, 8
t
SU
Set-up Time HIGH or LOW
A or B to
LEAB or LEBA
2.0 — 2.0 — ns 4
t
H
Hold Time HIGH or LOW
A or B to
LEAB or LEBA
2.0 — 2.0 — ns 4
t
W
LEBA or LEAB Pulse Width LOW 4.0 — 4.0 — ns 5
t
SK(O)
Output Skew
[16]
— 0.5 — 0.5 ns —
CY74FCT16543CT
CY74FCT162543CT
CY74FCT162H543CT
Fig.
No.
[15]
Parameter Description Min. Max. Unit
t
PLH
t
PHL
Propagation Delay
Transparent Mode
A to B or B to A
1.5 5.1 ns 1, 3
t
PLH
t
PHL
Propagation Delay
LEBA to A, LEAB to B
1.5 5.6 ns 1, 5
t
PZH
t
PZL
Output Enable Time
OEBA or OEAB to A or B
CEBA or CEAB to A or B
1.5 7.8 ns 1, 7, 8
t
PHZ
t
PLZ
Output Disable Time
OEBA or OEAB to A or B
CEBA or CEAB to A or B
1.5 6.5 ns 1, 7, 8
t
SU
Set-up Time HIGH or LOW
A or B to
LEAB or LEBA
2.0 — ns 4
t
H
Hold Time HIGH or LOW
A or B to
LEAB or LEBA
2.0 — ns 4
t
W
LEBA or LEAB Pulse Width LOW 4.0 — ns 5
t
SK(O)
Output Skew
[16]
— 0.5 ns —
Notes:
14. Minimum limits are specified but not tested on Propagation Delays.
15. See “Parameter Measurement Information” in the General Information section.
16. Skew between any two outputs of the same package switching in the same directional. This parameter is ensured by design.