hm6268 ETC-unknow, hm6268 Datasheet
hm6268
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hm6268 Summary of contents
Page 1
... HM6268 Series 4096-word 4-bit High-Speed CMOS Static RAM Features • Single 5 V supply and high density 20-pin package • High speed: fast access time 25/35/45 ns (max) • Low power — Active: 250 mW (typ) — Standby: 100 µW (typ), 5 µW (typ) (L-version) • Completely static memory: no clock or timing strobe required • ...
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... A11 V current I/O pin High-Z SB SB1 I Dout CC I Din CC Symbol Rating *1 V –0 1.0 T Topr Tstg –55 to +125 Tbias – ns. HM6268 Series Cycle — Read cycle Write cycle Unit V W °C °C °C ...
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... SB1 *2 *2 — — — 0 2.4 — — 5 +25°C and specified loading *1 Max Vin = 0 V — — 9 I/O HM6268 Series Unit Unit Test condition µ 5 Vin = µ I ...
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... — 10 — — 0 — — 25 — HM6268 Series 5 V 480 * Output load ( and WZ, OW HM6268-45 Min Max Unit 45 — ns — — — — ...
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... Read Timing Waveform (2) CS Dout High impedance Supply CC current I SB Notes high for read cycle. 2. Address valid prior to or coincident with CS transistion low ACS t LZ Valid Data t PU 50% HM6268 Series t OH Valid Data t HZ High impedance t PD 50% 5 ...
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... — 0 — — 20 — — 0 — — 0 — OW HM6268 Series HM6268-45 Min Max Unit 45 — — — — — — — — — ...
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... Dout has the same phase as write data in this write cycle Controlled Valid Data * High impedance HM6268 Series long enough ...
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... going high to the end of the write cycle the CS low transition occurs simultaneously with the WE low transition or after the 3. WE transition, the output buffers remain in a high impedance state. 8 Controlled Valid Data 3 High impedance * HM6268 Series ). WP ...
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... — — CCDR * 2.0 — — CDR * 1 t — — Data retention mode – 0 HM6268 Series Unit Test conditions – 0 – 0 µ 0 See retention waveform ...