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PC74F157N PC74F157N PC74F157N Datasheet

Pin No. Pin Name Pin Setting for in circuit programming
21 VSS Level= High
18 VCC Level= Low
25 IDO Level= Low
26 ID1 Level= Low
60 OVL# RXD (TTL - logic level)
62 IN10 TXD (TTL - logic level)


PC74F157N PC74F157N PC74F157N Price

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PC74F157N PC74F157N PC74F157N on stock
Features I Internal look-ahead for fast counting I Carry output for n-bit cascading I Synchronous counting I Load control line I Diode-clamped inputs I Typical clock frequency 35 MHz I Pin-for-pin replacements popular 54/74 counters 541 6A/741 6A (binary) I Alternate Military/Aerospace device (9316) is available. Contact a National Semiconductor Sales Office/Distrib- utor for specifications.
OTOSHIBA is continually working to improve the quality and the reliability of its products. Nevertheless, semiconductor devices in general can malfunction or fail due to their inherent electrical sensitivity and vulnerability to physical stress. It is the responsibility of the buyer, when utilizing TOSHIBA products, to observe standards of safety, and to avoid situations in which a malfunction or failure of a TOSHIBA product could cause loss of human life, bodily injury or damage to property. In developing your designs, please ensure that TOSHIBA products are used within specified operating ranges as set forth in the most recent products specifications. Also, please keep in mind the precautions and conditions set forth in the TOSHIBA Semiconductor Reliability Handbook. OThe information contained herein is presented only as a guide for the applications of our products. No responsibility is assumed by TOSHIBA CORPORATION for any infringements of intellectual property or other rights of the third nay result from its use. No license is granted by implication or otherwise under any intellectual O pa:oepi:tfywmr"8t~hfmrag,ghts of TOSHIBA CORPORATION or others. contained herein is subject to change without notice.