DS31256 Maxim Integrated Products, DS31256 Datasheet - Page 170

• Manufacturer Part Number: DS31256
• Description: IC CTRLR HDLC 256-CHANNEL 256BGA
• Manufacturer: Maxim Integrated Products

Specifications of DS31256

• Controller Type: HDLC Controller
• Interface: Serial
• Voltage - Supply: 3 V ~ 3.6 V
• Current - Supply: 500mA
• Operating Temperature: 0°C ~ 70°C
• Mounting Type: Surface Mount
• Package / Case: 256-BGA
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

AC CHARACTERISTICS: LOCAL BUS IN BRIDGE MODE (LMS = 0)
(V
Figure 13-2. Local Bus Bridge Mode (LMS = 0) AC Timing Diagram
Delay Time from the Rising Edge of PCLK
to Output Valid from Tri-state
Delay Time from the Rising Edge of PCLK
to Tri-State from Output Valid
Delay Time from the Rising Edge of PCLK
to Output Valid from an Already Active
Drive State
LD[15:0] Setup Time to the Rising Edge of
PCLK
LD[15:0] Hold Time from the Rising Edge
of PCLK
Input Setup Time to the Rising Edge of
PCLK
Input Hold Time from the Rising Edge of
PCLK
Delay Time from the Rising Edge of PCLK
to the Rising Edge of LCLK
Delay Time from the Falling Edge of
PCLK to the Falling Edge of LCLK
DD
PCLK
LA[19:0], LD[15:0], LBHE,
LWR (LR/W), LRD (DS)
LA[19:0], LWR (LR/W),
LRD (LDS), LBHE
LA[19:0], LWR (LR/W),
LRD (DS), LHOLD (LBR),
LBGACK
LD[15:0]
LINT, LRDY
LHLDA (LBG)
LCLK
= 3.0V to 3.6V, T
PARAMETER
A
= 0°C to +70°C.)
Tri-state
t9
SYMBOL
Data Valid
t1
t2
t3
t4
t5
t6
t7
t8
t9
170 of 183
t4
t6
CONDITIONS
t1
t5
t7
t3
t8
t2
MIN
7
7
6
1
5
1
5
4
5
Data Valid
Data Valid
TYP
Tri-state
MAX
17
15
14
7
8
UNITS
ns
ns
ns
ns
ns
ns
ns
ns
ns