M93S56

M93S66, M93S56 M93S46 4Kbit, 2Kbit and 1Kbit (16-bit wide) MICROWIRE Serial Access EEPROM with Block Protection FEATURES SUMMARY s Industry Standard MICROWIRE Bus s Figure 1. Packages Single Supply Voltage: – 4.5V to 5.5V for M93Sx6 – 2.5V to 5.5V for M93Sx6-W – 1.8V to 5.5V for M93Sx6-R 8 1 PDIP8 (BN) s s Single Organization: by Word (x16) Programming Instructions that work on: Word or Entire Memory Self-timed Programming Cycle with Auto-Erase User Defined Write Protected Area Page Write Mode (4 words) Ready/Busy Signal During Programming Speed: – 1MHz Clock Rate, 10ms Write Time (Current product, identified by process identification letter F or M) – 2MHz Clock Rate, 5ms Write Time (New Product, identified by process identification letter W) s s s s s 8 1 SO8 (MN) 150 mil width s s s s Sequential Read Operation Enhanced ESD/Latch-Up Behavior More than 1 Million Erase/Write Cycles More than 40 Year Data Retention TSSOP8 (DS) 3x3mm body size TSSOP8 (DW) 169 mil width May 2003 1/32 M93S66, M93S56, M93S46 SUMMARY DESCRIPTION This specification covers a range of 4K, 2K, 1K bit serial Electrically Erasable Programmable Memory (EEPROM) products (respectively for M93S66, M93S56, M93S46). In this text, these products are collectively referred to as M93Sx6. Figure 2. Logic Diagram VCC D C S PRE W M93Sx6 Q VSS AI02020 Table 1. Signal Names S D Q C PRE W VCC VSS Chip Select Input Serial Data Input Serial Data Output Serial Clock Protection Register Enable Write Enable S...