SN74ALVC7805 Datasheet, PDF (2/14 Pages) Texas Instruments – 256 × 18 LOW-POWER CLOCKED FIRST-IN, FIRST-OUT MEMORY

SN74ALVC7805
256 × 18
LOW-POWER CLOCKED FIRST-IN, FIRST-OUT MEMORY
SCAS593A – OCTOBER 1997 – REVISED APRIL 1998
logic symbol^†
1
RESET
25
WRTCLK
27
WRTEN1
26
WRTEN2
32
RDCLK
56
OE1
30
OE2
31
RDEN
23
PEN
RESET
Φ
FIFO 256 × 18
WRTCLK
&
WRTEN
RDCLK
&
EN1
Input Ready
Half-Full
Almost-Full/Empty
Output Ready
&
RDEN
Program Enable
21
D0
20
D1
19
D2
18
D3
17
D4
16
D5
15
D6
14
D7
12
D8
11
D9
9
D10
8
D11
7
D12
6
D13
5
D14
4
D15
3
D16
2
D17
0
0
Data
Data 1
17
17
† _{This symbol is in accordance with ANSI/IEEE Std 91-1984 and IEC Publication 617-12.}
28
IR
22
HF
24
AF/AE
29
OR
33
Q0
34
Q1
36
Q2
37
Q3
38
Q4
40
Q5
41
Q6
42
Q7
43
Q8
45
Q9
46
Q10
47
Q11
48
Q12
49
Q13
51
Q14
53
Q15
54
Q16
55
Q17
2
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