saa4955tj NXP Semiconductors, saa4955tj Datasheet - Page 13

• Manufacturer Part Number: saa4955tj
• Description: 2.9-mbit Field Memory
• Manufacturer: NXP Semiconductors

Philips Semiconductors
1999 Apr 29
handbook, full pagewidth
handbook, full pagewidth
2.9-Mbit field memory
D0 to D11
D1 to D11
SWCK
RSTW
WE
IE
SWCK
RSTW
WE
IE
D0
1
1
(4 SWCK)
sequence
(4 SWCK)
sequence
2
2
start
start
WE LOW: D0 controlled
WE HIGH: IE controlled
Fig.5 D0 controlled entry sequence of random write block access mode.
3
Fig.6 IE controlled entry sequence of random write block access mode.
3
4
4
MSB
MSB
5
5
serial input of write block address
serial input of write block address
random write block address
random write block address
(13 SWCK)
(13 SWCK)
13
LSB
LSB
17
17
18
18
(minimum 18 SWCK)
(minimum 18 SWCK)
19
19
write latency
write latency
at block address:
at block address:
34
34
35
35
Product specification
SAA4955TJ
0
0
0
36
36
write data
write data
write data
1
1
1
write data
write data
2
2
2
MGK680
MGK679
3
3
3