參數(shù)資料
型號(hào)： SN54ALVTH16245
廠商： Texas Instruments, Inc.
英文描述： 2.5-V/3.3-V 16-Bit Bus Transceivers With 3-State Outputs(2.5V/3.3V 16位總線收發(fā)器(三態(tài)輸出))
中文描述： 2.5-V/3.3-V 16位總線收發(fā)器三態(tài)輸出（2.5V/3.3V的16位總線收發(fā)器（三態(tài)輸出））
文件頁(yè)數(shù)： 6/9頁(yè)
文件大?。?/td> 206K
代理商： SN54ALVTH16245
SN54ALVTH16245, SN74ALVTH16245
2.5-V/3.3-V 16-BIT BUS TRANSCEIVERS
WITH 3-STATE OUTPUTS
SCES066A – JUNE 1996 – REVISED JULY 1996
6
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
switching characteristics over recommended operating free-air temperature range, C
L
= 50 pF,
V
CC
= 2.5 V
±
0.2 V (unless otherwise noted) (see Figure 3)
PARAMETER
FROM
(INPUT)
TO
SN54ALVTH16245
MIN
SN74ALVTH16245
MIN
TYP
UNIT
(OUTPUT)
MAX
MAX
tpd
ten
tdis
A or B
B or A
1
3.9
1
2.3
3.5
ns
OE
A or B
1.5
5.8
1.5
3.4
5.2
ns
OE
A or B
2
6.5
2
5.2
5.9
ns
All typical values are at VCC = 2.5 V, TA = 25
°
C.
switching characteristics over recommended operating free-air temperature range, C
L
= 50 pF,
V
CC
= 3.3 V
±
0.3 V (unless otherwise noted) (see Figure 4)
PARAMETER
FROM
(INPUT)
TO
SN54ALVTH16245
MIN
SN74ALVTH16245
MIN
TYP
UNIT
(OUTPUT)
MAX
MAX
tpd
ten
tdis
A or B
B or A
0.5
2.7
0.5
1.5
2.4
ns
OE
A or B
1
4.2
1
2.4
3.8
ns
OE
A or B
1.5
5
1.5
3.8
4.5
ns
All typical values are at VCC = 3.3 V, TA = 25
°
C.
skew data
t
ps
(pin skew or transition skew), |t
ps
= 1
t
PHL
– t
PHL
|
tps max
VCC = 2.5 V
469
VCC = 3.3 V
267
UNIT
ps
t
OST
=
| t
p
Φ
m – tp
Φ
n
|, where
Φ
is any edge transition (high to low or low to high) measured between any two
outputs (m or n) within any given device
VCC = 2.5 V
625
547
VCC = 3.3 V
427
427
UNIT
tOST
A–B
B–A
ps
NOTE: One output switching, TA = 25
°
C
t
OSHL
, t
OSLH
, (common edge skew), t
OSHL
= |t
PHL max
– t
PHL min
| (output skew for low-to-high transitions), and
t
OSLH
= |t
PLH max
– t
PLH min
| (output skew for high-to-low transitions)
VCC = 2.5 V
312
VCC = 3.3 V
267
UNIT
tOSLH
tOSHL
tOSLH
tOSHL
A–B
A–B
352
289
ps
B–A
273
296
B–A
235
287
NOTE: One output switching, TA = 25
°
C
P
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