Datasheet

CY54FCT245T, CY74FCT245T
8-BIT TRANSCEIVERS
WITH 3-STATE OUTPUTS
SCCS018B – MAY 1994 – REVISED NOVEMBER 2001
6
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
switching characteristics over operating free-air temperature range (see Figure 1)
PARAMETER
FROM TO
CY54FCT245T CY54FCT245AT CY54FCT245CT
UNIT
PARAMETER
(INPUT) (OUTPUT)
MIN MAX MIN MAX MIN MAX
UNIT
t
PLH
AorB
BorA
1.5 7.5 1.5 4.9 1.5 4.5
ns
t
PHL
A
or
B
B
or
A
1.5 7.5 1.5 4.9 1.5 4.5
ns
t
PZH
OE or T/R
AorB
1.5 10 1.5 6.5 1.5 6.2
ns
t
PZL
OE
or
T/R
A
or
B
1.5 10 1.5 6.5 1.5 6.2
ns
t
PHZ
OE or T/R
AorB
1.5 10 1.5 6 1.5 5.2
ns
t
PLZ
OE
or
T/R
A
or
B
1.5 10 1.5 6 1.5 5.2
ns
switching characteristics over operating free-air temperature range (see Figure 1)
PARAMETER
FROM TO
CY74FCT245T CY74FCT245AT CY74FCT245CT CY74FCT245DT
UNIT
PARAMETER
(INPUT) (OUTPUT)
MIN MAX MIN MAX MIN MAX MIN MAX
UNIT
t
PLH
AorB
BorA
1.5 7 1.5 4.6 1.5 4.1 1.5 3.8
ns
t
PHL
A
or
B
B
or
A
1.5 7 1.5 4.6 1.5 4.1 1.5 3.8
ns
t
PZH
OE or T/R
AorB
1.5 9.5 1.5 6.2 1.5 5.8 1.5 5
ns
t
PZL
OE
or
T/R
A
or
B
1.5 9.5 1.5 6.2 1.5 5.8 1.5 5
ns
t
PHZ
OE or T/R
AorB
1.5 7.5 1.5 5 1.5 4.8 1.5 4.3
ns
t
PLZ
OE
or
T/R
A
or
B
1.5 7.5 1.5 5 1.5 4.8 1.5 4.3
ns