sm5838a Nippon Precision Circuits Inc, (NPC), sm5838a Datasheet - Page 2

• Manufacturer Part Number: sm5838a
• Description: 5120 ? 8-bit Synchronous Fifo
• Manufacturer: Nippon Precision Circuits Inc, (NPC)

BLOCK DIAGRAM
PIN DESCRIPTION
Number
CLK
DIN
RW
WE
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
1
2
3
4
5
6
7
8
9
8
DOUT0
DOUT1
DOUT2
DOUT3
DOUT4
DOUT5
DOUT6
DOUT7
Name
DIN7
DIN6
DIN5
DIN4
DIN3
DIN2
DIN1
DIN0
VSS
VDD
CLK
RW
WE
OE
RR
RE
8
I/O
O
O
O
O
O
O
O
O
–
–
I
I
I
I
I
I
I
I
I
I
I
I
I
I
Write address pointer
Read data output bit 0
Read data output bit 1
Read data output bit 2
Read data output bit 3
Output enable input
Reset read input
Ground (0V) pin
Read enable input (read address pointer)
Read data output bit 4
Read data output bit 5
Read data output bit 6
Read data output bit 7
Write data input bit 7
Write data input bit 6
Write data input bit 5
Write data input bit 4
Clock input
Supply pin
Reset write input
Write enable input (write address pointer)
Write data input bit 3
Write data input bit 2
Write data input bit 1
Write data input bit 0
32
SM5838AS
Decoder
SRAM
Read address pointer
32
Function
8
SEIKO NPC CORPORATION —2
8
DOUT
OE
RE
RR