參數(shù)資料
型號(hào): SN74ALVC7814DL
廠商: Texas Instruments, Inc.
英文描述: 64 】 18 LOW-POWER FIRST-IN, FIRST-OUT MEMORY
中文描述: 64】18 LOW-POWER先入先出存儲(chǔ)器
文件頁(yè)數(shù): 7/11頁(yè)
文件大?。?/td> 149K
代理商: SN74ALVC7814DL
SN74ALVC7814
64
×
18
LOW-POWER FIRST-IN, FIRST-OUT MEMORY
SCAS592A – OCTOBER 1997 – REVISED APRIL 1998
7
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
timing requirements over recommended operating conditions (see Figures 1 through 3)
’ALVC7814-25
MIN
’ALVC7814-40
MIN
UNIT
MAX
MAX
fclock
Clock frequency
40
25
MHz
D0–D17 high or low
8
12
LDCK high or low
8
12
tw
Pulse duration
UNCK high or low
8
12
ns
PEN low
8
12
RESET low
D0–D17 before LDCK
LDCK inactive before RESET high
PEN before LDCK
D0–D17 after LDCK
PEN high after LDCK low
PEN low after LDCK
LDCK inactive after RESET high
10
12
5
5
tsu
Setup time
6
6
ns
8
8
0
0
th
Hold time
0
0
ns
3
6
3
6
switching characteristics over recommended ranges of supply voltage and operating free-air
temperature, C
L
= 50 pF (unless otherwise noted) (see Figure 3)
PARAMETER
FROM
(INPUT)
TO
’ALVC7814-25
MIN
’ALVC7814-40
MIN
UNIT
(OUTPUT)
MAX
MAX
fmax
LDCK or UNCK
LDCK
UNCK
LDCK
UNCK
RESET low
UNCK
RESET low
40
25
MHz
td
tpd
Any Q
9
22
9
24
ns
6
18
6
20
tPLH
EMPTY
6
17
6
19
ns
tPHL
EMPTY
6
17
6
19
ns
4
18
4
20
tPLH
FULL
6
17
6
19
ns
4
20
4
22
tPHL
LDCK
LDCK
UNCK
RESET low
LDCK
UNCK
RESET low
FULL
6
17
6
19
ns
td
tpd
AF/AE
7
20
7
22
ns
7
20
7
22
tPLH
AF/AE
2
12
2
14
ns
HF
5
20
5
22
tPHL
HF
7
20
7
22
ns
3
14
3
16
ten
tdis
OE
Any Q
2
10
2
11
ns
OE
Any Q
2
11
2
12
ns
operating characteristics, V
CC
= 3.3 V, T
A
= 25
°
C
PARAMETER
TEST CONDITIONS
TYP
UNIT
Cpd
Power dissipation capacitance per FIFO channel
Outputs enabled
CL = 50 pF,
f = 5 MHz
53
pF
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