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LH540215 Datasheet(PDF) 4 Page - Sharp Corporation

Part # LH540215
Description  512 x 18 / 1024 x 18 Synchronous FIFO
Download  48 Pages
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Manufacturer  SHARP [Sharp Corporation]
Direct Link  http://sharp-world.com/
Logo SHARP - Sharp Corporation

LH540215 Datasheet(HTML) 4 Page - Sharp Corporation

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7
8
9
10
11
14
15
12
13
6
2
3
4
5
1
16
D2
D0
D13
D15
D11
D12
D9
D10
D8
D7
D5
D6
D3
D4
D1
D14
43
42
41
40
39
36
35
38
37
44
48
47
46
45
34
Q14
Q11
Q12
Q10
Q9
Q7
Q8
Q5
Q6
Q4
Q13
33
23 24 25 26 27 28 29 30 31 32
17 18 19 20 21 22
64-PIN TQFP
VCC
VSS
VSS
VSS
EMODE
*
BOLD ITALIC = Enhanced Operating Mode.
* This pin is V
CC on IDT pinout; if EMODE pin is simply
biased to VCC, part will behave identical to IDT functionality.
Figure 3. Pin Connections for 64-Pin TQFP Package
SUMMARY OF SIGNALS/PINS
PIN
NAME
D0 – D17
Data Inputs
RS
Reset
EMODE
Enhanced Operating Mode
WCLK
Write Clock
WEN
Write Enable
RCLK
Read Clock
REN
Read Enable
OE
Output Enable
LD
Load
FL
/RT
First Load/
Retransmit
RXI
/REN2
Read Expansion Input/
Read Enable 2
PIN
NAME
WXI
/WEN2
Write Expansion Input/
Write Enable 2
FF
Full Flag
PAF
Programmable Almost-Full Flag
WXO/HF
Write Expansion Output/Half-Full Flag
PAE
Programmable Almost-Empty Flag
EF
Empty Flag
RXO/
EF2
Read Expansion Output
/Empty Flag 2
Q0 – Q17
Data Outputs
VCC
Power
VSS
Ground
BOLD ITALIC = Enhanced Operating Mode
LH540215/25
512 x 18/1024 x 18 Synchronous FIFO
4


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