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Integrated Device Technology Electronic Components Datasheet

IDT72V3634 Datasheet

(IDT72V36x4) 3.3 VOLT CMOS SyncBiFIFO

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3.3 VOLT CMOS SyncBiFIFOTM
WITH BUS-MATCHING
256 x 36 x 2, 512 x 36 x 2,
1,024 x 36 x 2
IDT72V3624
IDT72V3634
IDT72V3644
.EATURES:
Memory storage capacity:
IDT72V3624–256 x 36 x 2
IDT72V3634–512 x 36 x 2
IDT72V3644–1,024 x 36 x 2
Clock frequencies up to 100 MHz (6.5ns access time)
Two independent clocked FIFOs buffering data in opposite
directions
Select IDT Standard timing (using EFA, EFB, FFA, and FFB
flags functions) or First Word Fall Through Timing (using ORA,
ORB, IRA, and IRB flag functions)
Programmable Almost-Empty and Almost-Full flags; each has
three default offsets (8, 16 and 64)
Serial or parallel programming of partial flags
Port B bus sizing of 36 bits (long word), 18 bits (word) and 9 bits
(byte)
Big- or Little-Endian format for word and byte bus sizes
Master Reset clears data and configures FIFO, Partial Reset
clears data but retains configuration settings
Mailbox bypass registers for each FIFO
Free-running CLKA and CLKB may be asynchronous or coinci-
dent (simultaneous reading and writing of data on a single clock
edge is permitted)
Auto power down minimizes power dissipation
Available in space saving 128-pin Thin Quad Flatpack (TQFP)
Pin and functionally compatible version of the 5V operating
IDT723624/723634/723644
Industrial temperature range (–40°C to +85°C) is available
.UNCTIONAL BLOCK DIAGRAM
CLKA
CSA
W/RA
ENA
MBA
MRS1
PRS1
FFA/IRA
AFA
SPM
FS0/SD
FS1/SEN
A0-A35
EFA/ORA
AEA
Port-A
Control
Logic
FIFO1,
Mail1
Reset
Logic
36
36
MBF2
Mail 1
Register
36
RAM ARRAY
256 x 36
36
512 x 36
1,024 x 36
FIFO1
Write
Pointer
Read
Pointer
Status Flag
Logic
Programmable Flag
Offset Registers
Timing
Mode
10
FIFO2
Status Flag
Logic
Read
Pointer
Write
Pointer
RAM ARRAY
36 256 x 36
512 x 36
1,024 x 36
36
Mail 2
Register
IDT, the IDT logo are registered trademarks of Integrated Device Technology, Inc. SyncBiFIFO is a trademark of Integrated Device Technology, Inc.
COMMERCIAL TEMPERATURE RANGE
1
2001 Integrated Device Technology, Inc. All rights reserved. Product specifications subject to change without notice.
MBF1
36
EFB/ORB
AEB
36
FIFO2,
Mail2
Reset
Logic
Port-B
Control
Logic
FWFT
B0-B35
FFB/IRB
AFB
MRS2
PRS2
CLKB
CSB
W/RB
ENB
MBB
BE
BM
SIZE
4664 drw01
AUGUST 2001
DSC-4664/3


Integrated Device Technology Electronic Components Datasheet

IDT72V3634 Datasheet

(IDT72V36x4) 3.3 VOLT CMOS SyncBiFIFO

No Preview Available !

IDT72V3634 pdf
IDT72V3624/72V3634/72V3644 3.3V CMOS SyncBiFIFOTM WITH BUS-MATCHING
256 x 36 x 2, 512 x 36 x 2, 1,024 x 36 x 2
COMMERCIALTEMPERATURERANGE
DESCRIPTION:
The IDT72V3624/72V3634/72V3644 are pin and functionally compatible
versiwonwswo.fDthaetaISDhTe7e2t346U2.4c/o7m23634/723644, designed to run off a 3.3V supply
forexceptionallylow-powerconsumption. Thesedevicesare monolithic,high-
speed, low-power, CMOS bidirectional synchronous (clocked) FIFO memory
which supports clock frequencies up to 100 MHz and has read access times as
fast as 6.5ns. Two independent 256/512/1,024 x 36 dual-port SRAM FIFOs
on board each chip buffer data in opposite directions. FIFO data on Port B can
be input and output in 36-bit, 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
each port are independent of one another and can be asynchronous or
PIN CON.IGURATION
INDEX
W/RA
ENA
CLKA
GND
A35
A34
A33
A32
Vcc
A31
A30
GND
A29
A28
A27
A26
A25
A24
A23
BE/FWFT
GND
A22
Vcc
A21
A20
A19
A18
GND
A17
A16
A15
A14
A13
Vcc
A12
GND
A11
A10
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
TQFP (PK128-1, order code: PF)
TOP VIEW
2
102 CLKB
101 PRS2
100 Vcc
99 B35
98 B34
97 B33
96 B32
95 GND
94 GND
93 B31
92 B30
91 B29
90 B28
89 B27
88 B26
87 Vcc
86 B25
85 B24
84 BM
83 GND
82 B23
81 B22
80 B21
79 B20
78 B19
77 B18
76 GND
75 B17
74 B16
73 SIZE
72 Vcc
71 B15
70 B14
69 B13
68 B12
67 GND
66 B11
65 B10
4664 drw02


Part Number IDT72V3634
Description (IDT72V36x4) 3.3 VOLT CMOS SyncBiFIFO
Maker Integrated Device Technology
Total Page 30 Pages
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