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AT68166HT Datasheet(PDF) 11 Page - ATMEL Corporation

No. de pieza AT68166HT
Descripción Electrónicos  Rad Hard 16 MegaBit 3.3V 5V Tolerant SRAM Multi-Chip Module
PDF  15 Pages
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Fabricante Electrónico  ATMEL [ATMEL Corporation]
Página de inicio  http://www.atmel.com
Logo ATMEL - ATMEL Corporation

AT68166HT Datasheet(HTML) 11 Page - ATMEL Corporation

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11
7843A–AERO–10/09
AT68166HT
Read Cycle
Table 5. Read cycle timings(1)
Notes: 1. Timings figures applicable for 8-bit, 16-bit and 32-bit mode.
2. Parameters guaranteed, not tested, with output loading 5 pF. (See “AC Test Loads Wave-
forms” on page 9.)
Read Cycle 1.
Address Controlled (CS = OE = VIL, WE = VIH)
Read Cycle 2.
Chip Select Controlled (WE = VIH)
Symbol
Parameter
AT68166HT-25
AT68166HT-20
AT68166HT-18
(preliminary)
Unit
min
max
min
max
min
max
TAVAV
Read cycle time
25
-
20
-
18
-
ns
TAVQV
Address access time
-
25
-
20
-
18
ns
TAVQX
Address valid to low Z
5
-
5
-
5
-
ns
TELQV
Chip-select access time
-
25
-
20
-
18
ns
TELQX
CS low to low Z(2)
5-5-5-
ns
TEHQZ
CS high to high Z(2)
-10-
9
-
9
ns
TGLQV
Output Enable access time
-
12
-
10
-
9
ns
TGLQX
OE low to low Z(2)
2-2-2-
ns
TGHQZ
OE high to high Z (2)
-10-
9
-
9
ns
ADDRESS
DOUT
CSx
OE
DOUT



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