Rainbow-electronics DS1245Y_AB Manual de usuario descargar pdf (Pagina 9)

DIM MIN MAX

A IN.

B IN.

C IN.

D IN.

E IN.

F IN.

G IN.

H IN.

J IN.

K IN.

1.680

42.67

1.700

43.18

0.720

18.29

0.740

18.80

0.355

9.02

0.375

9.52

0.080

2.03

0.110

2.79

0.015

0.38

0.025

0.63

0.120

3.05

0.160

4.06

0.090

2.29

0.110

2.79

0.590

14.99

0.630

16.00

0.008

0.20

0.012

0.30

0.015

0.38

0.021

0.53

GKD

32–PINPKG

DS1245Y/AB

041497 9/12

DC TEST CONDITIONS

Outputs Open

Cycle = 200 ns for operating current

All voltages are referenced to ground

AC TEST CONDITIONS

Output Load: 100 pF + 1TTL Gate

Input Pulse Levels: 0 – 3.0V

Timing Measurement Reference Levels

Input: 1.5V

Output: 1.5V

Input pulse Rise and Fall Times: 5 ns

ORDERING INFORMATION

DS1245 TTP –

SSS –

III

Operating Temperature Range

blank: 0° to 70°

IND: –40° to +85°C

Access

70:

85:

100:

120:

Speed

70 ns

85 ns

100 ns

120 ns

Tolerance

AB: ±5%

Y: ±10%

Package Type

blank: 32–pin 600 mil DIP

P: 34–pin PowerCap Module

DS1245Y/AB NONVOLATILE SRAM, 32–PIN 740 MIL EXTENDED DIP MODULE

1 2 3 4 5 6 7 8 9 10 11 12

DS1245Y/AB 1
1024K Nonvolatile SRAM 1
041497 2/12 2
± 5% for DS1245AB) 3
± 10% for DS1245Y) 3
READ CYCLE 6
WRITE CYCLE 1 6
WRITE CYCLE 2 7
POWER–DOWN/POWER–UP CONDITION 7
041497 8/12 8
DC TEST CONDITIONS 9
AC TEST CONDITIONS 9
ORDERING INFORMATION 9

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Rainbow-electronics DS1245Y_AB Manual de usuario Pagina 9

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