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JS48F4400P0P3C0 Datasheet(PDF) 52 Page - Numonyx B.V |
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JS48F4400P0P3C0 Datasheet(HTML) 52 Page - Numonyx B.V |
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52 / 139 page  Numonyx™ StrataFlash® Cellular Memory (M18) Datasheet April 2008 52 309823-10 7.2.1 Read Timing Waveforms The following sections show the timing waveforms for Asynchronous and Synchronous read specifications for Non-Mux and AD-Mux M18 devices. The Synchronous read timing waveforms apply to both the 108 and 133 MHz devices. However please note that M18 devices which only support up to 108 MHz need not meet the R313 to R317 timing specifications. R104 tVLVH ADV# pulse width low 7 — ns — R105 tVHVL ADV# pulse width high 7 — ns — R106 tVHAX Address hold from ADV# high 5 — ns — R107 tVHGL ADV# high to OE# low (AD-Mux only) 2 — ns — R108 tAPA Page address access (non-mux only) — 15 ns — R111 tPHVH RST# high to ADV# high 30 — ns — Clock Specifications R200 fCLK CLK frequency — 133 MHz — R201 tCLK CLK period 7.5 — ns — R202 tCH/CL CLK high/low time 0.45 0.55 CLK Period 4 R203 tFCLK/RCLK CLK fall/rise time 0.3 1.2 ns — Synchronous Specifications R301 tAVCH Address setup to CLK high 2 — ns — R302 tVLCH ADV# low setup to CLK high 2 — ns — R303 tELCH CE# low setup to CLK high 2.5 — ns — R304 tCHQV CLK to output valid — 5.5 ns — R305 tCHQX Output hold from CLK high 2 — ns — R306 tCHAX Address hold from CLK high 2 — ns — R307 tCHTV CLK high to WAIT valid — 5.5 ns — R311 tCHVL CLK high to ADV# Setup 2 — ns — R312 tCHTX WAIT hold from CLK high 2 — ns — R313 tCHVH ADV# hold from CLK high 2 — ns — R314 tCHGL CLK to OE# low (AD-Mux only) 2 — ns — R315 tACC Read access time from address latching clock 96 — ns — R316 tVLVH ADV# pulse width low for sync reads 1 2 clks — R317 tVHCH ADV# high to CLK high 2 — ns — Notes: 1. See Figure 18, “AC Input/Output Reference Waveform” on page 48 for timing measurements and maximum allowable input slew rate. 2. OE# may be delayed by up to tELQV – tGLQV after CE#’s falling edge without impact to tELQV. 3. Sampled, not 100% tested. Table 20: AC Read, 133 MHz, VCCQ = 1.7 V to 2.0 V (Sheet 2 of 2) Nbr. Symbol Parameter1 96 ns Units Notes Min Max |
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