IDT723676L12PF Просмотр технического описания (PDF) - Integrated Device Technology
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IDT723676L12PF
Integrated Device Technology
IDT723676L12PF Datasheet PDF : 39 Pages
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IDT723656/723666/723676 CMOS TRIPLE BUS SyncFIFOTM WITH
BUS MATCHING 2,048 x 36 x 2, 4,096 x 36 x 2 and 8,192 x 36 x 2
COMMERCIAL TEMPERATURE RANGE
DESCRIPTION
The IDT723656/723666/723676 is a monolithic, high-speed, low-power,
CMOS Triple Bus synchronous (clocked) FIFO memory which supports clock
frequencies up to 83 MHz and has read access times as fast as 8ns. Two
independent 2,048/4,096/8,192 x 36 dual-port SRAM FIFOs on board each
chip buffer data between a bidirectional 36-bit bus (Port A) and two unidirectional
18-bit buses (Port B transmits data, Port C receives data.) FIFO data can be
read out of Port B and written into Port C using either 18-bit or 9-bit formats with
a choice of Big- or Little-Endian configurations.
These devices are a synchronous (clocked) FIFO, meaning each port
employs a synchronous interface. All data transfers through a port are gated
to the LOW-to-HIGH transition of a port clock by enable signals. The clocks for
PIN CONFIGURATION
INDEX
W/RA
1
ENA
2
CLKA
3
GND
4
A35
5
A34
6
A33
7
A32
8
Vcc
9
A31
10
A30
11
GND
12
A29
13
A28
14
A27
15
A26
16
A25
17
A24
18
A23
19
BE/FWFT
20
GND
21
A22
22
Vcc
23
A21
24
A20
25
A19
26
A18
27
GND
28
A17
29
A16
30
A15
31
A14
32
A13
33
Vcc
34
A12
35
GND
36
A11
37
A10
38
102
CLKB
101
PRS2/RT2
100
LOOP
99
C17
98
C16
97
C15
96
C14
95
RTM
94
MBC
93
C13
92
C12
91
C11
90
C10
89
C9
88
C8
87
VCC
86
C7
85
C6
84
SIZEB
83
GND
82
C5
81
C4
80
C3
79
C2
78
C1
77
C0
76
GND
75
B17
74
B16
73
SIZEC
72
VCC
71
B15
70
B14
69
B13
68
B12
67
GND
66
B11
65
B10
5611 drw02
TQFP (PK128-1, order code: PF)
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