M48T58, M48T58Y

Read mode

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Read mode

The M48T58/Y is in the READ Mode whenever W (WRITE Enable) is high, E1 (Chip Enable

1) is low, and E2 (Chip Enable 2) is high. The unique address specified by the 13 Address

Inputs defines which one of the 8,192 bytes of data is to be accessed. Valid data will be

signal is stable, providing that the E1, E2, and G access times are also satisfied. If the E1,

E2 and G access times are not met, valid data will be available after the latter of the Chip

The state of the eight three-state Data I/O signals is controlled by E1, E2 and G. If the

Address Access.

Figure 5.

Read mode AC waveforms

Note:

WRITE Enable (W) = High.

AI00962

tAVAV

tAVQV

tAXQX

tE1LQV

tE1LQX

tE1HQZ

tGLQV

tGLQX

tGHQZ

VALID

A0-A12

E1

G

DQ0-DQ7

tE2HQV

tE2HQX

VALID

tE2LQZ

E2