X25128

9

A.C. OPERATING CHARACTERISTICS (Over recommended operating conditions, unless otherwise specified.)

Data Input Timing

3091 FM T12.2

Data Output Timing

3091 FM T13.2

Notes: (4) This parameter is periodically sampled and not 100% tested.

nonvolatile write cycle.

Symbol

Parameter

Min.

Max.

Units

Clock Frequency

0

2

MHz

Cycle Time

500

ns

CS Lead Time

250

ns

CS Lag Time

250

ns

Clock HIGH Time

200

ns

Clock LOW Time

200

ns

Data Setup Time

50

ns

Data Hold Time

50

ns

(4)

Data In Rise Time

2

µs

(4)

Data In Fall Time

2

µs

HOLD Setup Time

100

ns

HOLD Hold Time

100

ns

CS Deselect Time

2.0

µs

(5)

Write Cycle Time

10

ms

Symbol

Parameter

Min.

Max.

Units

Clock Frequency

0

2

MHz

Output Disable Time

250

ns

Output Valid from Clock LOW

200

ns

Output Hold Time

0

ns

(4)

Output Rise Time

100

ns

(4)

Output Fall Time

100

ns

(4)

HOLD HIGH to Output in Low Z

100

ns

(4)

HOLD LOW to Output in Low Z

100

ns

A.C. CONDITIONS OF TEST

3091 FM T11

Input Pulse Levels

Input Rise and Fall

Times

10ns

Input and Output

Timing Levels

EQUIVALENT A.C. LOAD CIRCUIT

OUTPUT

3091 FM F09.1

5V

1.44K

Ω

1.95K

Ω

100pF

OUTPUT

3V

1.64K

Ω

4.63K

Ω

100pF