STLC5465B STMicroelectronics, STLC5465B Datasheet - Page 49

• Manufacturer Part Number: STLC5465B
• Description: Telecom ICs Multi-HDLC Sw Matrix
• Manufacturer: STMicroelectronics
• Type: Telecom IC - Variousr

Specifications of STLC5465B

• Operating Supply Voltage: 4.75 V to 5.25 V
• Operating Temperature Range: - 40 C to + 85 C
• Mounting Style: SMD/SMT
• Package / Case: PQFP-160
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

V1 - MEMORY TIMING
VI.1 - Dynamic Memories
Figure 38 : Dynamic Memory Read Signals from the Multi-HDLC
Symbol
Tw
Th
Tz
Ts
T
a
Delay between Data Strobe from the mP and beginning of cycle
Delay between Masterclock and Edge of each signal delivered by the
MHDLC (30pF)
Delay between NCAS Falling Edge and NCAS rising Edge
Delay between NCAS Rising Edge and end of cycle
Set-up Time Data /NCAS Rising Edge
Hold Time Data/NCAS Rising Edge
NDS fro m P
(or e quivalent)
MASTERCLOCK
a pplied to XTAL1 P in
NRAS 0/3
NCAS 0/1
NWE
ADM0/10
NOE
DM0/15 from
DRAM Circuit
Note : S e e
MBL De finition
HZ
HZ
T
a
Parameter
impe dance outside this time if MBL = 0
E ach s ignal from the MHDLC is high
Tu
a
Tv/2
Total Re ad Cycle
Tv
a
Tw + Tz /2
Ts
Tw
V
V
DD
DD
a
= 5V
= 3.3V
Tz
a
Th
Min.
2/f
1/f
1/f
20
a
0
HZ
HZ
Typ.
20
30
1/f
Max.
STLC5465B
40
2/f
2/f
Unit
49/101
ns
ns
ns
ns
ns
ns