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M48Z35AY - 256 Kbit 32Kb x8 ZEROPOWER SRAM

General Description

The M48Z35AY/35AV ZEROPOWER® RAM is a 32 Kbit x8 non-volatile static RAM that integrates power-fail deselect circuitry and battery control logic on a single die.

The monolithic chip is available in two special packages to provide a highly integrated battery backed-up memory solution.

Table 1.

Key Features

  • (1) Read Cycle Time Address Valid to Output Valid.

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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M48Z35AY M48Z35AV 256 Kbit (32Kb x8) ZEROPOWER® SRAM s INTEGRATED ULTRA LOW POWER SRAM, POWER-FAIL CONTROL CIRCUIT and BATTERY READ CYCLE TIME EQUALS WRITE CYCLE TIME BATTERY LOW FLAG (BOK) AUTOMATIC POWER-FAIL CHIP DESELECT and WRITE PROTECTION WRITE PROTECT VOLTAGES (VPFD = Power-fail Deselect Voltage): – M48Z35AY: 4.20V ≤ VPFD ≤ 4.50V – M48Z35AV: 2.7V ≤ V PFD ≤ 3.0V 28 SNAPHAT (SH) Battery s s s 28 1 s 1 PCDIP28 (PC) Battery CAPHAT SOH28 (MH) s SELF-CONTAINED BATTERY in the CAPHAT DIP PACKAGE PACKAGING INCLUDES a 28-LEAD SOIC and SNAPHAT® TOP (to be Ordered Separately) SOIC PACKAGE PROVIDES DIRECT CONNECTION for a SNAPHAT TOP which CONTAINS the BATTERY and CRYSTAL PIN and FUNCTION COMPATIBLE with JEDEC STANDARD 32K x8 SRAMs 15 A0-A14 VCC s Figure 1.