PDM31256SA10TA データシートの表示（PDF） - Paradigm Technology

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PDM31256SA10TA

3.3V 256K Static RAM 32K x 8-Bit

Paradigm Technology 

PDM31256

Capacitance(1) (TA = +25°C, f = 1.0 MHz)

Symbol

Parameter

Max.

Unit

CIN

Input Capacitance

8

pF

COUT

Output Capacitance

8

pF

NOTE: 1. This parameter is determined by device characterization but is not production

tested.

AC Test Conditions

Input pulse levels

Input rise and fall times

Input timing reference levels

Output reference levels

Output load

VSS to 3.0V

2.5 ns

1.5V

1.5V

See Figures 1 and 2

DATAOUT

353Ω

+3.3V

319Ω

30 pF

Figure 1. Output Load Equivalent

DATAOUT

353Ω

+3.3V

319Ω

5 pF

Figure 2. Output Load Equivalent

(for tLZCE, tHZCE, tLZWE, tHZWE, tLZOE,

tHZOE)

Typical Delta tAA vs Capacitive Loading

5

4

3

2

1

0

0

30

60

90

120

Additional Lumped Capacitive Loading (pF)

Figure 3.

4

Rev. 3.3 - 4/29/98

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