X28HC64 Datasheet, PDF (13/24 Pages) Xicor Inc. – 5 Volt, Byte Alterable E2PROM

X28HC64
WRITE CYCLE LIMITS
Symbol
Parameter
t_WC(5)
t_AS
t_AH
t_CS
t_CH
t_CW
t_OES
t_OEH
t_WP
t_WPH(6)
t_DV(6)
t_DS
t_DH
t_DW(6)
t_BLC
Write Cycle Time
Address Setup Time
Address Hold Time
Write Setup Time
Write Hold Time
CE Pulse Width
OE HIGH Setup Time
OE HIGH Hold Time
WE Pulse Width
WE HIGH Recovery
Data Valid
Data Setup
Data Hold
Delay to Next Write
Byte Load Cycle
WE Controlled Write Cycle
ADDRESS
CE
tAS
tAH
tCS
Min.
0
50
0
0
50
0
0
50
50
50
0
10
0.15
Typ.⁽¹⁾
2
tWC
tCH
Max.
5
1
100
Units
ms
ns
ns
ns
ns
ns
ns
ns
ns
ns
µs
ns
ns
µs
µs
3857 PGM T11.2
OE
WE
DATA IN
DATA OUT
tOES
tDV
tOEH
tWP
DATA VALID
tDS
tDH
HIGH Z
3857 FHD F06
Notes: (5) t_WC is the minimum cycle time to be allowed from the system perspective unless polling techniques are used. It is the maximum
time the device requires to automatically complete the internal write operation.
(6) t_WPH and t_DW are periodically sampled and not 100% tested.
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