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DS1558W-TRL

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DS1558
13 of 18
CC CC
READ CYCLE, AC CHARACTERISTICS
(V = +3.3V ±10% or +5V ±10%, T = -40°C to +85°C.) (Figure 5)
CC A
V = +5.5V ±10% V = +3.3V ±10%
PARAMETER SYMBOL
MIN MAX MIN MAX
UNITS NOTES
Read Cycle Time t
RC
70 120 ns
Address Access Time t
AA
70 120 ns
CE to DQ Low-Z
t
CEL
5 5 ns
CE
Acce
CEA
7 ns
ss Time
t 0 120
CE Data Off
40 ns
Time
t
CEZ
25
OE to DQ Low-Z
t
OEL
5 5 ns
OE
Access Time
t
OEA
35 100 ns
OE Data Off Time
EZ
25 35 ns t
O
Output Hold from Address t
OH
5 5 ns
CE to CER Propagation
Delay, +5V
t
CEPD
15 ns
OE
to OER Propagation
Delay, +5V
t
OEPD
20 ns
CE to CER Propagation
Delay, +3.3V
t
CEPD
30 ns
OE
to OER Propagation
Delay, +3.3V
t
OEPD
40 ns
Figure 5. READ CYCLE TIMING DIAGRAM
DS1558
14 of 18
S
(V
CC
= + +5V ±10% 0° +8 ) r d 7)
V
CC
= +5.0V ±10% = +3.3V ±1
WRITE CYCLE, AC CHARACTERISTIC
3.3V ±10% or , T
A
= -4 C to 5°C. (Figu e 6 an Figure
V
CC
0%
PARAMETER SYMBO
MIN M X MAX
UNITS NOTES L
A MIN
Write Cycle Tim e t
WC
70 120 ns
Address Access T e im t
AS
0 0 ns
WE Pulse Width
t
WEW
50 100 ns
CE
Pulse Width
t
CEW
60 110 ns
Data Setup Time t
DS
30 80 ns
Data Hold Time t
DH1
5 5 ns 8
Data Hold Time t
DH2
5 5 ns 9
Address Hold Time t
AH1
5 0 ns 8
Address Hold Time t
AH2
5 5 ns 9
WE
Data Off Ti
t
WEZ
25 40 ns
me
Write Recovery Tim t
WR
5 10 ns e
DS1558
15 of 18
BLE CONTROLLED
Figure 6. WRITE CYCLE TIMING, WRITE-ENA
Figure 7. WRITE CYCLE TIMING, CHIP-ENABLE CONTROLLED
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DS1558W-TRL

Mfr. #:
Buy DS1558W-TRL
Manufacturer:
Maxim Integrated
Description:
Real Time Clock
Lifecycle:
New from this manufacturer.
Delivery:
DHL FedEx Ups TNT EMS
Payment:
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