Micrel
PIN CONFIGURATION
VCC 1
EIN 2
VBB 3
TIN 4
Q8 5
Q8 6
Q7 7
VCCO 8
Q7 9
Q6 10
Q6 11
Q5 12
Q5 13
Q4 14
TOP VIEW
SOIC
Z28-1
28 EIN
27 TEN
26 VEE
25 Q0
24 Q0
23 Q1
22 VCCO
21 Q1
20 Q2
19 Q2
18 Q3
17 Q3
16 Q4
15 VCCO
TRUTH TABLE
TEN
EIN
L
L
L
H
H
X
H
X
ClockWorks™
SY100S811
TIN
Q
X
L
X
H
L
L
H
H
PIN NAMES
Pin
EIN, EIN
TIN
TEN
Q0, Q0 – Q8, Q8
VBB
VCC
VEE
Function
Differential PECL Input Pair
TTL Input
TTL Input Enable
Differential PECL Outputs
VBB Output
PECL VCC (+5.0V)
PECL Ground (0V)
PECL DC ELECTRICAL CHARACTERISTICS
VCC = VCCO = +5.0V ± 5%
Symbol
Parameter
VBB
Output Reference(1)
Voltage
Min.
3.62
TA = 0°C
Typ.
—
Max.
3.74
TA = +25°C
Min.
Typ.
Max.
3.62
—
3.74
TA = +85°C
Min.
Typ. Max. Unit
3.62
—
3.74 V
IIH
Input HIGH Current
—
—
150
—
—
150
—
—
150 µA
IIL
Input LOW Current
0.5
—
—
0.5
—
—
0.5
—
—
µA
VIH
Input HIGH Voltage(1) 3.835
—
4.120 3.835
—
4.120 3.835
— 4.120 V
VIL
Input LOW Voltage(1) 3.190
—
3.525 3.190
—
3.525 3.190
— 3.525 V
VOH
Output HIGH Voltage(2) VCC –1025 VCC –955 VCC –870 VCC –1025 VCC –955 VCC –870 VCC –1025 VCC –955 VCC –870 mV
VOL
Output LOW Voltage(2) VCC –1890 VCC –1705 VCC –1620 VCC –1890 VCC –1705 VCC –1620 VCC –1890 VCC –1705VCC –1620 mV
ICC
Power Supply(3)
Current
—
53
65
—
53
65
—
60
74 mA
NOTES:
1. VCC = VCCO = 5.0V
2. VIN = VIH (Max.) or VIL (Min.) Loading with 50Ω to VCC –2V.
3. All inputs and outputs open.
2