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5962-9317708VNC

Rad. Tolerant High Speed 16 Kb x 9 Parallel FIFO

Atmel Corporation 

Features

• First-in First-out Dual Port Memory

• 16384 bits x 9 Organization

• Fast Flag and Access Times: 15, 30 ns

• Wide Temperature Range: - 55°C to + 125°C

• Fully Expandable by Word Width or Depth

• Asynchronous Read/Write Operations

• Empty, Full and Half Flags in Single Device Mode

• Retransmit Capability

• Bi-directional Applications

• Battery Back-up Operation: 2V Data Retention

• TTL Compatible

• Single 5V ± 10% Power Supply

• No Single Event Latch-up below a LET Threshold of 80 MeV/mg/cm2

• Tested up to a Total Dose of 30 krads (Si) according to MIL STD 883 Method 1019

• Quality grades: QML Q and V with SMD 5962-93177 and ESCC with specification

9301/048

Description

The M67206H implements a first-in first-out algorithm, featuring asynchronous

read/write operations. The FULL and EMPTY flags prevent data overflow and under-

flow. The Expansion logic allows unlimited expansion in word size and depth with no

timing penalties. Twin address pointers automatically generate internal read and write

addresses, and no external address information is required. Address pointers are

automatically incremented with the write pin and read pin. The 9 bits wide data are

used in data communications applications where a parity bit for error checking is nec-

essary. The Retransmit pin resets the Read pointer to zero without affecting the write

pointer. This is very useful for retransmitting data when an error is detected in the

system.

Using an array of eight transistors (8T) memory cell, the M67206H combines an

extremely low standby supply current (typ = 0.1 µA) with a fast access time at 15 ns

over the full temperature range. All versions offer battery backup data retention capa-

bility with a typical power consumption at less than 2 µW.

The M67206H is processed according to the methods of the latest revision of the MIL

PRF 38535 (Q and V) or ESCC 9000.

Rad. Tolerant

High Speed

16 Kb x 9

Parallel FIFO

M67206H

Rev. 4143J–AERO–04/07

1

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