M28W640HCT datasheet(32/72 Pages) NUMONYX

tên linh kiện	M28W640HCT

Giải thích chi tiết về linh kiện	64 Mbit (4 Mb x 16, boot block) 3 V supply Flash memory

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DC and AC parameters

M28W640HCT, M28W640HCB

32/72

DC and AC parameters

This section summarizes the operating and measurement conditions, and the DC and AC

characteristics of the device. The parameters in the DC and AC characteristics tables that

follow, are derived from tests performed under the measurement conditions summarized in

Table 13: Operating and AC measurement conditions. Designers should check that the

operating conditions in their circuit match the measurement conditions when relying on the

quoted parameters.

Figure 6.

AC measurement I/O waveform

Figure 7.

AC measurement load circuit

Table 13.

Operating and AC measurement conditions

Parameter

M28W640HCT, M28W640HCB

70 ns

Units

Min

Max

VDD supply voltage

2.7

3.6

Ambient operating temperature

–40

°C

Load capacitance (CL)50

Input rise and fall times

Input pulse voltages

0 to VDD

Input and output timing reference voltages

VDD/2

AI00610b

VDD

0 V

VDD/2

AI00609d

VDD

CL includes JIG capacitance

25 kW

DEVICE

UNDER

TEST

0.1 µF

VDD

25 kW

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