CAT1163 Catalyst Semiconductor, CAT1163 Datasheet
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CAT1163
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CAT1163 Summary of contents
Page 1
... With both active high and low reset signals, interface to microcontrollers and other ICs is simple. In addition, a reset pin can be used as debounced input for push-button manual reset capability. The CAT1163 memory features a 16-byte page. In addition, hardware data protection is provided by a write protect pin WP and sense circuit that prevents writes to ...
Page 2
... CAT1163 ABSOLUTE MAXIMUM RATINGS Temperature Under Bias ................. – +125 C Storage Temperature ....................... – +150 C Voltage on any Pin with (1) Respect to Ground ............ –2. with Respect to Ground ............... –2.0V to +7.0V CC Package Power Dissipation Capability ( ................................... 1.0W A Lead Soldering Temperature (10 secs) ............ 300 C (2) Output Short Circuit Current ........................ 100 mA Stresses above those listed under “ ...
Page 3
... Min Max 100 200 3.5 4.7 4 4 300 4 100 Max Units Min Typ is stable until the specific operation can be initiated CAT1163 Conditions I 4.5V - 5.5V CC Min Max Units 400 kHz 200 1.2 s 0.6 s 1.2 s 0 ...
Page 4
... Reset Output Low Voltage (I OLRS V Reset Output High Voltage OHRS Reset Threshold (VCC=5V) (CAT1163-45) Reset Threshold (VCC=5V) (CAT1163-42) Reset Threshold (VCC=3.3V (CAT1163-30) Reset Threshold (VCC=3.3V) (CAT1163-28) Reset Threshold (VCC=3V) (CAT1163-25) t Power-Up Reset Timeout PURST t Watchdog Period RESET Output Delay RPD TH ...
Page 5
... The inputs are edge triggered; that is, the RESET input in the CAT1163 will initiate a reset timeout after detecting a low to high transition and the RESET input in the CAT1163 will initiate a reset timeout after detecting a high to low transition. ...
Page 6
... Hardware Data Protection The CAT1163 is designed with the following hardware data protection features to provide a high degree of data integrity. (1) The CAT1163 features a WP pin. When the WP pin is tied high the entire memory array becomes write protected (read only). (2) The V sense provides write protection when V CC falls below the reset threshold value (VTH) ...
Page 7
... The next three bits (Figure 6) define memory addressing. For the CAT1163 the three bits define higher order bits. The last bit of the slave address specifies whether a Read or Write operation performed. When this bit is set Read operation is selected, and when set Write operation is selected ...
Page 8
... While the cycle is in progress, the device will not respond to any request from the Master device. Page Write The CAT1163 writes bytes of data in a single write cycle, using the Page Write operation. The page write operation is initiated in the same manner as the byte ...
Page 9
... CAT1163 initiates the internal write cycle. ACK polling can be initiated immediately. This involves issuing the start condition followed by the slave address for a write operation. If the CAT1163 is still busy with the write operation, no ACK will be returned write operation has completed, an ACK will be returned and the host can then proceed with the next read or write operation ...
Page 10
... The data being transmitted from CAT1163 is outputted sequentially with data from address N followed by data from address N+1. The READ operation address counter increments all of the CAT1163 address bits so that the entire memory array can be read during one operation. If more than E (where E=2047 for the CAT1163) bytes are read out, the counter will ‘ ...
Page 11
... SDA LINE Ordering Information Prefix Device # CAT Optional Product Company ID Number 1163: 16K Note: (1) The device used in the above example is a CAT1163JI-30TE13 (16K I Threshold Voltage, Tape and Reel) DATA n DATA n+1 DATA n Suffix J I Temperature Range Blank = Commercial (0˚ ...
Page 12
... Catalyst Semiconductor products are not designed, intended, or authorized for use as components in systems intended for surgical implant into the body, or other applications intended to support or sustain life, or for any other application in which the failure of the Catalyst Semiconductor product could create a situation where personal injury or death may occur. ...