71V416 Datasheet PDF - Integrated Device Technology

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71V416
Integrated Device Technology

Part Number 71V416
Description IDT71V416
Page 2 Pages


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Integrated Device Technology, Inc.
3.3V CMOS STATIC RAM
4 MEG (256K x 16-BIT)
ADVANCE
INFORMATION
IDT71V416
FEATURES:
• 256K x 16 advanced high-speed CMOS Static RAM
• JEDEC Center Power /GND pinout for reduced noise
• Equal access and cycle times
— 12/15/20ns
• Single 3.3V power supply
• One Chip Select plus one Output Enable pin
• Bidirectional data inputs and outputs directly
TTL-compatible
• Low power consumption via chip deselect
• Upper and Lower Byte Enable Pins
www.ADavatailSahbelet4inU.4c4o-mpin, 400 mil plastic SOJ package
DESCRIPTION:
The IDT71V416 is a 4,194,304-bit high-speed Static RAM
organized as 256K x 16. It is fabricated using IDT’s high-
perfomance, high-reliability CMOS technology. This state-of-
the-art technology, combined with innovative circuit design
techniques, provides a cost-effective solution for high-speed
memory needs.
The IDT71V416 has an output enable pin which operates
as fast as 6ns, with address access times as fast as 12ns. All
bidirectional inputs and outputs of the IDT71V416 are TTL-
compatible and operation is from a single 3.3V supply. Fully
static asynchronous circuitry is used, requiring no clocks or
refresh for operation.
The IDT71V416 is packaged in a 44-pin, 400mil Plastic
SOJ.
FUNCTIONAL BLOCK DIAGRAM
OE#
Output
Enable
Buffer
A0 - A17
Address
Buffers
Row / Column
Decoders
CE#
Chip
Enable
Buffer
WE#
Write
Enable
Buffer
4,194,304-bit
Memory
Array
8
Sense
16 Amps
and
Write
Drivers
8
8
8
High
Byte
Output
Buffer
High
Byte
Write
Buffer
Low
Byte
Output
Buffer
Low
Byte
Write
Buffer
8
8
8
8
BHE#
BLE#
Byte
Enable
Buffers
The IDT logo is a registered trademark of Integrated Device Technology, Inc.
COMMERCIAL TEMPERATURE RANGE
©1996 Integrated Device Technology, Inc.
10.1
I/O 15
I/O 8
I/O 7
I/O 0
3624 drw 01
JULY 1996
3624/-
1



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IDT71V416
3.3V CMOS STATIC RAM 4 MEG (256K x 16-BIT)
PIN CONFIGURATION
A4 1
A3 2
A2 3
A1 4
A0 5
CE
I/O 0
6
7
I/O 1
8
I/O 2
9
I/O 3
10
VDD
11
VSS 12
I/O 4
13
I/O 5
14
www.DataSheI/eOt46U.com15
I/O 7
16
W E 17
A15 18
A14 19
A13 20
A12 21
A16 22
44 A5
43 A6
42 A7
41 OE
40 BHE
39 BLE
38 I/O 15
37 I/O 14
36 I/O 13
35 I/O 12
S044-1
34 VSS
33 VDD
32 I/O 11
31 I/O 10
30 I/O 9
29 I/O 8
28 NC
27 A8
26 A9
25 A10
24 A11
23 A17
SOJ
TOP VIEW
3624 drw 02
COMMERCIAL TEMPERATURE RANGE
PIN DESCRIPTION
A0 – A17
CS
WE
OE
BHE
BLE
I/O0 - I/O15
VDD
VSS
Address Inputs
Chip Select
Write Enable
Output Enable
High Byte Enable
Low Byte Enable
Data Input/Output
3.3V Power
Ground
Input
Input
Input
Input
Input
Input
I/O
Power
Gnd
3624 tbl 01
ORDERING INFORMATION
IDT 71V416
Device
Type
S XX
Power Speed
XXX
Package
Y 400-mil SOJ (S044-1)
12
15 Speed in nanoseconds
20
3624 drw 03
10.1 2



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