Datasheet

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      
  
SCBS710F − OCTOBER 1997 − REVISED OCTOBER 2003
6
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
timing requirement over recommended operating free-air temperature range (unless otherwise
noted) (see Figure 1)
SN54LVTH2952 SN74LVTH2952
V
CC
= 3.3 V
± 0.3 V
V
CC
= 2.7 V
V
CC
= 3.3 V
± 0.3 V
V
CC
= 2.7 V
UNIT
MIN MAX MIN MAX MIN MAX MIN MAX
f
clock
Clock frequency 150 150 150 150 MHz
t
w
Pulse duration
CLK high 3.3 3.3 3.3 3.3
ns
t
w
Pulse duration
CLK low
3.3 3.3 3.3 3.3
ns
A or B before CLK↑
Data high 1.6 2.2 1.5 2.1
t
su
Setup time
A or B before CLK↑
Data low 1.6 2.2 1.5 2.1
ns
t
su
Setup time
CE before CLK↑
Data high 1.6 1.9 1.5 1.8
ns
CE before CLK↑
Data low 2 2.6 1.9 2.5
t
h
Hold time
A or B after CLK↑
1 0.2 1 0.2
ns
t
h
Hold time
CE after CLK↑
1.2 0.2 1.2 0.2
ns
switching characteristics over recommended operating free-air temperature range, C
L
= 50 pF
(unless otherwise noted) (see Figure 1)
SN54LVTH2952 SN74LVTH2952
PARAMETER
FROM
(INPUT)
TO
(OUTPUT)
V
CC
= 3.3 V
± 0.3 V
V
CC
= 2.7 V
V
CC
= 3.3 V
± 0.3 V
V
CC
= 2.7 V
UNIT
(INPUT)
(OUTPUT)
MIN MAX MIN MAX MIN TYP
†
MAX MIN MAX
f
max
150 150 150 150 MHz
t
PLH
CLKBA or
A or B
1.2 4.8 5.5 1.3 2.9 4.6 5.3
ns
t
PHL
CLKBA or
CLKAB
A or B
1.2 4.8 5.5 1.3 3.1 4.6 5.3
ns
t
PZH
OEBA or OEAB
A or B
1 4.8 5.9 1.1 2.6 4.6 5.8
ns
t
PZL
OEBA or OEAB
A or B
1 4.8 5.9 1.1 3 4.6 5.8
ns
t
PHZ
OEBA or OEAB
A or B
1.2 5.6 6 1.3 3.6 5.4 5.9
ns
t
PLZ
OEBA or OEAB
A or B
1.5 5.4 5.6 1.6 3.6 5.1 5.3
ns
†
All typical values are at T
A
= 25°C.
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