IDT70825S/L
High-Speed 8K x 16 Sequential Access Random Access Memory
Industrial and Commercial Temperature Ranges
Sequential Port: AC Electrical Characteristics
Over the Operating Temperature and Supply Voltage(1,2)
70825X20
70825X25
70825X35
70825X45
Com'l Only
Com'l Only
Com'l Only
Com'l Only
Symbol
Parameter
Min.
Max.
Min.
Max.
Min.
Max.
Min.
Max.
Unit
RESET CYCLE
____
____
____
____
____
____
____
____
____
____
____
____
____
____
____
____
t
RSPW
WERS
RSRC
RSFV
Reset Pulse Width
13
10
10
15
15
10
10
20
20
10
10
25
20
10
10
25
ns
ns
ns
t
Write Enable HIGH to Reset HIGH
Reset HIGH to Write Enable LOW
Reset HIGH to Flag Valid
t
t
ns
3016 tbl 24a
NOTE:
1. 'X' in part number indicates power rating (S or L).
2. Industrial temperature: for specific speeds, packages and powers contact your sales office.
Sequential Port: Write, Pointer Load Non-Incrementing Read
tCYC
tCH
tCL
SCLK
tEH
tES
(2)
(3)
CNTEN
tEH
tES
(1)
SLD
tDS
tDH
HIGH IMPEDANCE
SI/OIN
Dx
A0
t
WS
WS
t
WS
t
WH
t
WH
SR/W
SCE
t
tWS
tWH
tWH
t
CSZ
CKHZ
tCD
t
SOE
tSOE
tOLZ
tOHZ
SI/OOUT
D0
D0
D0
tCKLZ
3016 drw 17
NOTES:
1. If SLD = VIL, then address will be clocked in on the SCLK's rising edge.
2. If CNTEN = VIH for the SCLK's rising edge, the internal address counter will not advance.
3. Pointer is not incremented on cycle immediately following SLD even if CNTEN is LOW.
6.42
15
IDT [ INTEGRATED DEVICE TECHNOLOGY ]
