MCM63Z737TQ11 データシートの表示（PDF） - Motorola => Freescale

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MCM63Z737TQ11

128K x 36 and 256K x 18 Bit Flow–Through ZBT™ RAM Synchronous Fast Static RAM

Motorola => Freescale 

D

B

HIGH–Z

R

W

R

B

D

W

DATA OUT

(Q VALID)

DW

B

HIGH–Z

(DATA IN)

R

KEY:

CURRENT

STATE (n)

ƒ

INPUT

COMMAND

CODE

NEXT STATE

n+1

NOTES:

1. Input command codes (D, W, R, and B) represent control

pin inputs as indicated in the Truth Table.

2. Hold (i.e., CKE sampled high) is not shown simply be-

cause CKE = 1 blocks clock input and therefore, blocks

any state change.

Figure 3. Data I/O State Diagram

STATE

CK

COMMAND

CODE

n

n+1

n+2

n+3

ƒ

DQ

CURRENT

STATE

NEXT

STATE

Figure 4. State Definitions for ZBT RAM State Diagram

MOTOROLA FAST SRAM

MCM63Z737DMCM63Z819

9

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