saa4955tj NXP Semiconductors, saa4955tj Datasheet - Page 17

• 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
Q0 to Q11
SRCK
RSTR
RE
OE
RSTR
SRCK
RE
OE
Q0 to Q11
1
N
N
sequence
(4 SRCK)
1
2
start
high-Z
3
4
MSB
Fig.12 Entry sequence of random read block access mode.
5
t su(RE)
Fig.13 Read cycle timing diagram (read enable).
N
serial input of read block address
random read block address
(13 SRCK)
t w(REL)
17
N
N
t h(RE)
LSB
t su(RE)
17
N
18
1
(minimum 20 SRCK)
19
read latency
t h(RE)
t ACC
at block address:
36
37
Product specification
SAA4955TJ
N
38
N
2
MGK687
0
1
read data
read data
1
MGK686
V IH
V IL
V IH
V IL
V IH
V IL
V IH
V IL
V IH
V IL
2