參數(shù)資料
型號(hào): SN74LVCH16260
廠商: Texas Instruments, Inc.
英文描述: 12-BIT TO 24-BIT MULTIPLEXED D-TYPE LATCH(12-24多重D鎖存器(三態(tài)輸出))
中文描述: 12位至24位復(fù)用D型鎖存器(12-24多重?鎖存器(三態(tài)輸出))
文件頁數(shù): 6/9頁
文件大小: 198K
代理商: SN74LVCH16260
SN74ALVCH162260
12-BIT TO 24-BIT MULTIPLEXED D-TYPE LATCH
WITH 3-STATE OUTPUTS
SCAS570B – MARCH 1996 – REVISED NOVEMBER 1996
6
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
timing requirements over recommended ranges of supply voltage and operating free-air
temperature (unless otherwise noted)
VCC = 2.5 V
±
0.2 V
MIN
VCC = 2.7 V
VCC = 3.3 V
±
0.3 V
MIN
UNIT
MAX
MIN
MAX
MAX
fclock
tw
tsu
th
Clock frequency
0
150
0
150
0
150
MHz
Pulse duration, LE1B, LE2B, LEA1B, or LEA2B high
3.3
3.3
3.3
ns
Setup time, data before LE1B, LE2B, LEA1B, or LEA2B
1.4
1.1
1.1
ns
Hold time, data after LE1B, LE2B, LEA1B, or LEA2B
1.6
1.9
1.5
ns
switching characteristics over recommended operating free-air temperature range, C
L
= 50 pF
(unless otherwise noted) (see Figures 1 and 2)
PARAMETER
FROM
(INPUT)
TO
(OUTPUT)
VCC = 2.5 V
±
0.2 V
MIN
VCC = 2.7 V
VCC = 3.3 V
±
0.3 V
MIN
UNIT
MAX
MIN
MAX
MAX
fmax
150
150
150
MHz
A
B
1.2
6.5
5.8
1.2
4.9
B
A
1.2
6
5.1
1.2
4.3
tpd
LE
A
1
6.2
5.2
1
4.4
ns
LE
B
1
6.7
5.9
1
5
SEL
A
1.2
7.5
6.6
1.1
5.6
ten
OE
A
1
7.2
6.4
1
5.4
ns
OE
B
1
7.7
7.1
1
6
tdis
OE
A
1.7
5.9
5
1.3
4.6
ns
OE
B
1.7
6.4
5.5
1.3
5.1
operating characteristics, T
A
= 25
°
C
PARAMETER
TEST CONDITIONS
VCC = 2.5 V
±
0.2 V
TYP
62
29
VCC = 3.3 V
±
0.3 V
TYP
46
24
UNIT
Cpd
Power dissipation capacitance
Outputs enabled
Outputs disabled
CL= 50 pF
CL = 50 pF, f = 10 MHz
pF
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