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TLC7725ID Datasheet(PDF) 2 Page - Texas Instruments |
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TLC7725ID Datasheet(HTML) 2 Page - Texas Instruments |
2 / 19 page TLC7701, TLC7725, TLC7703, TLC7733, TLC7705 MICROPOWER SUPPLY VOLTAGE SUPERVISORS SLVS087K – DECEMBER 1994 – REVISED JULY 1999 2 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 description (continued) In addition to the power-on-reset and undervoltage-supervisor function, the TLC77xx adds power-down control support for static RAM. When CONTROL is tied to GND, RESET will act as active high. The voltage monitor contains additional logic intended for control of static memories with battery backup during power failure. By driving the chip select (CS) of the memory circuit with the RESET output of the TLC77xx and with the CONTROL driven by the memory bank select signal (CSH1) of the microprocessor (see Figure 10), the memory circuit is automatically disabled during a power loss. (In this application the TLC77xx power has to be supplied by the battery.) The TLC77xxI is characterized for operation over a temperature range of –40 °C to 85°C; the TLC77xxQ is characterized for operation over a temperature range of – 40 °C to 125°C; and the TLC77xxM is characterized for operation over the full Military temperature range of – 55 °C to 125°C. AVAILABLE OPTIONS PACKAGED DEVICES TA THRESHOLD VOLTAGE (V) SMALL OUTLINE (D)† CHIP CARRIER (FK) CERAMIC DIP (JG) CERAMIC DUAL FLATPACK (U) PLASTIC DIP (P) THIN SHRINK SMALL OUTLINE (PW)‡ 1.1 TLC7701ID — — — TLC7701IP TLC7701IPW – 40 °C 2.25 TLC7725ID — — — TLC7725IP TLC7725IPW 40 C to 2.63 TLC7703ID — — — TLC7703IP TLC7703IPW 85 °C 2.93 TLC7733ID — — — TLC7733IP TLC7733IPW 4.55 TLC7705ID — — — TLC7705IP TLC7705IPW 1.1 TLC7701QD — — — TLC7701QP TLC7701QPW – 40 °C 2.25 TLC7725QD — — — TLC7725QP TLC7725QPW 40 C to 2.63 TLC7703QD — — — TLC7703QP TLC7703QPW 125 °C 2.93 TLC7733QD — — — TLC7733QP TLC7733QPW 4.55 TLC7705QD — — — TLC7705QP TLC7705QPW –55 °C to 2.93 — TLC7733MFK TLC7733MJG — — — to 125 °C 4.55 — TLC7705MFK TLC7705MJG TLC7705MU — — † The D package is available taped and reeled. Add the suffix R to the device type when ordering (e.g., TLC7705QDR). ‡ The PW package is only available left-end taped and reeled (indicated by the LE suffix on the device type; e.g., TLC7705QPWLE). FUNCTION TABLE CONTROL RESIN VI(SENSE)>VIT+ RESET RESET L L False H L L L True H L L H False H L L H True L§ H§ H L False H L H L True H L H H False H L H H True H H§ § RESET and RESET states shown are valid for t > td. logic symbol¶ ¶ This symbol is in accordance with ANSI/IEEE Std 91–1984 and IEC Publication 617-12. 6 1 3 2 7 SENSE ≥1 ≥1 ≥1 RESET 5 COMP S VIT S<VIT Z1 Z2 Z3 RESIN CT CONTROL RESET 3 2 1 1 CX × |
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