M65608E ATMEL | Alldatasheet
Document overview
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Technical content
Features
Operating Voltage: 5V Access Time: 30, 45 ns Very Low Power Consumption – Active: 250 mW (Typ) – Standby: 1 µW (Typ) – Data Retention: 0.5 µW (Typ) Wide Temperature Range: -55°C to +125°C 400 Mils Width Packages: FP32 and SB32 TTL Compatible Inputs and Outputs Asynchronous Single 5V Supply Equal Cycle and Access Time Gated Inputs: – No Pull-up/down – Resistors Are Required QML Q and V with SMD 5962-89598 ESCC B with Specification 9301/047
Description
The M65608E is a very low power CMOS static RAM organized as 131072 x 8 bits. Atmel brings the solution to applications where fast computing is as mandatory as low consumption, such as aerospace electronics, portable instruments, or embarked systems. Utilizing an array of six transistors (6T) memory cells, the M65608E combines an extremely low standby supply current (Typical value = 0.2 µA) with a fast access time at 30 ns over the full military temperature range. The high stability of the 6T cell pro- vides excellent protection against soft errors due to noise. The M65608E is processed according to the methods of the latest revision of the MIL STD 883 (class B or S), ESA SCC 9000 or QML. Rad. Tolerant 128K x 8 Very Low Power 5V CMOS SRAM M65608E
4151I–AERO–03/04 Block Diagram Pin Configuration 32-lead DIL side-brazed 400 MILS 32-lead Flatpack 400 MILS
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Table 1. Pin Names Table 2. Truth Table Note: L = low, H = high, X = H or L, Z = high impedance.
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Electrical Characteristics
Note: 1. Guaranteed but not tested. (MIL STD 883D method 3015.3) *NOTE: Stresses greater than those listed under Absolute Max- imum Ratings may cause permanent damage to the device.This is a stress rating only and functional opera- tion of the device at these or any other conditions above those indicated in the operational sections of this specification is not implied. Exposure to absolute maximum rating conditions for extended periods may affect reliability. Operating Voltage Operating Temperature 5V + 10% -55 °C to + 125°C Parameter Description Minimum Typical Maximum Unit VCC Supply voltage 4.5 5.0 5.5 V GND Ground 0.0 0.0 0.0 V VIL Input low voltage GND - 0.5 0.0 0.8 V VIH Input high voltage 2.2 – VCC + 0.5 V Parameter Description Minimum Typical Maximum Unit Cin(1) Input low voltage ––8 p F Cout(1) Output high voltage ––8 p F
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Table 3. DC Test Conditions
- GND < Vin < VCC , GND < Vout < VCC Output Disabled.
- CS1 > VIH or CS2 < VIL and CS1 < VIL.
- F = 1/TAVAV, Iout = 0 mA, W = OE = VIH, Vin = GND or VCC , VCC max.
4151I–AERO–03/04 AC Parameters AC Test Conditions AC Test Loads Waveforms Data Retention Mode Atmel CMOS RAM’s are designed with battery backup in mind. Data retention voltage and supply current are guaranteed over temperature. The following rules ensure data retention: 1. During data retention chip select CS1 must be held high within VCC to VCC - 0.2V or, chip select CS2 must be held down within GND to GND +0.2V. 2. Output Enable (OE) should be held high to keep the RAM outputs high imped- ance, minimizing power dissipation. 3. During power up and power-down transitions CS1 and OE must be kept between VCC + 0.3V and 70% of VCC, or with CS2 between GND and GND -0.3V. 4. The RAM can begin operation > TR ns after VCC reaches the minimum opera- tion voltages (4.5V). Timing Output loading IOL/IOH (see Figure 1 and Figure 2)+30 pF Figure 1 Figure 2 Figure 3
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4151I–AERO–03/04 Data Retention Characteristics Notes: 1. TAVAV = Read Cycle Time 2. CS1 = VCC or CS2 = CS1 = GND, Vin = GND/VCC , this parameter is only tested at VCC = 2V. Write Cycle Note: 1. Parameters guaranteed, not tested, with output loading 5 pF . Parameter Description Minimum Typical TA = 25 °C Maximum Unit VCCDR VCC for data retention 2.0 – – V TCDR Chip deselect to data retention time 0.0 – – ns TR Operation recovery time TAVAV (1) –– n s ICCDR1 (2) Data retention current at 2.0V – 0.1 150 µA ICCDR2 (2) Data retention current at 3.0V – 0.2 200 µA Symbol Parameter 65608-30 65608-45 Unit Value TAVAW Write cycle time 30 45 ns min TAVWL Address set-up time 00 n sm i n TAVWH Address valid to end of write 22 35 ns min TDVWH Data set-up time 18 20 ns min TE1LWH CS1 low to write end 22 35 ns min TE2HWH CS2 high to write end 22 35 ns min TWLQZ Write low to high Z (1) 81 5 n s m a x TWLWH Write pulse width 22 35 ns min TWHAX Address hold from to end of write 00 n sm i n TWHDX Data hold time 00 n sm i n TWHQX Write high to low Z (1) 00 n sm i n
4151I–AERO–03/04 Read Cycle Note: 1. Parameters Guaranteed, not tested, with output loading 5 pF. Symbol Parameter 65608-30 65608-45 Unit Value TAVAV Read cycle time 30 45 ns min TAVQV Address access time 30 45 ns max TAVQX Address valid to low Z (1) 55 n s m i n TE1LQV Chip-select1 access time 30 45 ns max TE1LQX CS1 low to low Z (1) 33 n s m i n TE1HQZ CS1 high to high Z (1) 15 20 ns max TE2HQV Chip-select2 access time 30 45 ns max TE2HQX CS2 high to low Z (1) 33 n s m i n TE2LQZ CS2 low to high Z (1) 15 20 ns max TGLQV Output Enable access time 12 15 ns max TGLQX OE low to low Z (1) 00 n s m i n TGHQZ OE high to high Z (1) 81 5 n s m a x
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4151I–AERO–03/04 Write Cycle 1 WE Controlled, OE High During Write Write Cycle 2 WE Controlled, OE Low
4151I–AERO–03/04 Write Cycle 3 CS1 or CS2, Controlled Note: The internal write time of the memory is defined by the overlap of CS1 Low and CS2 HIGH and W LOW. Both signals must be actived to initiate a write and either signal can terminate a write by going in actived. The data input setup and hold timing should be referenced to the actived edge of the signal that terminates the write. Data out is high impedance if OE = VIH.
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4151I–AERO–03/04 Read Cycle 1 Read Cycle 2 Read Cycle 3
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Ordering Information
Note: 1. Contact Atmel for availability. Part Number Temperature Range Speed Package Flow MMDJ-65608EV-30 -55° to +125°C 30 ns FP32.4 Standard Mil MMDJ-65608EV-45 -55° to +125°C 45 ns FP32.4 Standard Mil MMC9-65608EV-30 -55° to +125°C 30 ns SB32.4 Standard Mil MMC9-65608EV-45 -55° to +125°C 45 ns SB32.4 Standard Mil SMDJ-65608EV-30SB -55° to +125°C 30 ns FP32.4 SCC B SMDJ-65608EV-45SB -55° to +125°C 45 ns FP32.4 SCC B SMC9-65608EV-30SB -55° to +125°C 30 ns SB32.4 SCC B SMC9-65608EV-45SB -55° to +125°C 45 ns SB32.4 SCC B 5962-8959847QTC -55° to +125°C 30 ns FP32.4 QML Q 5962-8959818QTC -55° to +125°C 45 ns FP32.4 QML Q 5962-8959847VTC -55° to +125°C 30 ns SB32.4 QML V 5962-8959818VTC -55° to +125°C 45 ns SB32.4 QML V 5962-8959847QZC -55° to +125°C 30 ns FP32.4 QML Q 5962-8959818QZC -55° to +125°C 45 ns FP32.4 QML Q 5962-8959847VZC -55° to +125°C 30 ns SB32.4 QML V 5962-8959818VZC -55° to +125°C 45 ns SB32.4 QML V MMDJ-65608EV-30-E 25°C 30 ns FP32.4 Engineering Samples MMC9-65608EV-30-E (1) 25°C 30 ns SB32.4 Engineering Samples MM0 -65608EV-30-E 25°C 30 ns Die Engineering Samples 5962-8959847Q6A -55° to +125°C3 0 n s D i e Q M L Q 5962-8959847V6A -55° to +125°C3 0 n s D i e Q M L V
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4151I–AERO–03/04 Package Drawings 32-lead Flat Pack 400 Mils
4151I–AERO–03/04 Package Drawings 32-lead Side Braze 400 Mils
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